Zkusit zdarma
Comtech Telecommunications Corp.

Comtech Telecommunications Corp.

CMTL
Cena:
$ 4.79
+0.58 (13.78%)
Valuace
53
Růst
0
Zdraví
79

Akcionáři

Akcionáři společnosti
Insider trading

Akcionáři společnosti

Držitel Počet akcií Podíl společnosti Změna % Váha pozice v portfoliu Prvně nakoupeno
ROYCE & ASSOCIATES LP1.7 mil5.75%-0.03%0.06%2011-06-30
QVT FINANCIAL LP1.7 mil5.68%-0.21%0.39%2024-09-30
VANGUARD GROUP INC1.4 mil4.60%0.00%0.00%2005-03-31
BEACON POINTE ADVISORS, LLC1.2 mil4.18%-0.03%0.02%2025-09-30
NEEDHAM INVESTMENT MANAGEMENT LLC1.2 mil3.94%-0.19%0.20%2024-03-31
MARSHALL WACE, LLP867.14 tis2.91%0.00%0.00%2024-12-31
BLACKROCK FUNDING, INC. /DE820.91 tis2.79%0.00%0.00%2024-09-30
FRESHFORD CAPITAL MANAGEMENT, LLC780.40 tis2.71%-0.94%1.07%2023-03-31
WASATCH ADVISORS LP772.78 tis2.70%0.01%0.01%2024-03-31
INVENOMIC CAPITAL MANAGEMENT LP731.17 tis2.54%0.07%0.19%2023-12-31
TCW GROUP INC726.81 tis2.44%-0.01%0.02%2024-09-30
KENNEDY CAPITAL MANAGEMENT LLC549.08 tis1.92%-0.08%0.04%2021-12-31
BALYASNY ASSET MANAGEMENT L.P.527.26 tis1.79%0.00%0.00%2023-06-30
FIRST EAGLE INVESTMENT MANAGEMENT, LLC508.99 tis1.77%0.00%0.01%2021-06-30
CLEARFIELD CAPITAL MANAGEMENT LP516.08 tis1.76%-1.08%1.08%2024-06-30
DIMENSIONAL FUND ADVISORS LP493.10 tis1.65%0.00%0.00%2013-06-30
BLACKROCK, INC.483.89 tis1.62%0.00%0.00%2024-09-30
PACIFIC RIDGE CAPITAL PARTNERS, LLC463.78 tis1.56%-0.20%0.33%2017-03-31
PARADIGM CAPITAL MANAGEMENT INC/NY422.97 tis1.47%-0.06%0.09%2023-09-30
BLACKROCK INC.423.88 tis1.47%0.00%0.00%2013-06-30
ACADIAN ASSET MANAGEMENT LLC403.27 tis1.35%0.00%0.00%2026-03-31
MML INVESTORS SERVICES, LLC390.32 tis1.31%0.00%0.00%2023-03-31
TWO SIGMA INVESTMENTS, LP376.09 tis1.26%0.00%0.00%2022-12-31
GEODE CAPITAL MANAGEMENT, LLC351.77 tis1.18%0.00%0.00%2006-09-30
JANE STREET GROUP, LLC294.52 tis0.99%0.00%0.00%2023-06-30
HUBER CAPITAL MANAGEMENT LLC278.13 tis0.97%-0.28%0.21%2016-06-30
CITADEL ADVISORS LLC273.09 tis0.92%0.00%0.00%2025-06-30
251.88 tis0.84%-0.56%0.40%2025-12-31
RENAISSANCE TECHNOLOGIES LLC235.65 tis0.79%0.00%0.00%2024-12-31
FULLER & THALER ASSET MANAGEMENT, INC.216.68 tis0.75%0.00%0.01%2022-09-30
PROFIT INVESTMENT MANAGEMENT, LLC203.66 tis0.71%-0.08%0.98%2013-06-30
NUVEEN ASSET MANAGEMENT, LLC203.55 tis0.71%0.00%0.00%2019-06-30
MILLENNIUM MANAGEMENT LLC208.84 tis0.70%0.00%0.00%2022-09-30
GLOBEFLEX CAPITAL L P197.12 tis0.66%0.10%0.10%2026-03-31
UBS GROUP AG174.24 tis0.58%0.00%0.00%2014-12-31
VANGUARD FIDUCIARY TRUST CO173.90 tis0.58%0.00%0.00%2026-03-31
TWO SIGMA ADVISERS, LP168.69 tis0.57%0.00%0.00%2013-06-30
BRIDGEWAY CAPITAL MANAGEMENT, LLC164.99 tis0.55%0.01%0.01%2022-06-30
PENN MUTUAL ASSET MANAGEMENT, LLC160.38 tis0.54%-2.01%1.16%2023-12-31
POTOMAC CAPITAL MANAGEMENT, INC.160.91 tis0.54%0.68%0.68%2025-12-31
MOUNT LUCAS MANAGEMENT LP160.00 tis0.54%-0.03%0.20%2025-03-31
FEDERATED HERMES, INC.139.15 tis0.48%0.00%0.00%2022-06-30
STATE STREET CORP139.24 tis0.47%0.00%0.00%2013-06-30
PEAK6 INVESTMENTS LLC132.30 tis0.46%0.00%0.00%2024-09-30
GOLDMAN SACHS GROUP INC128.79 tis0.43%0.00%0.00%2007-12-31
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP121.86 tis0.41%0.00%0.00%2022-12-31
GSA CAPITAL PARTNERS LLP105.75 tis0.37%-0.03%0.02%2023-06-30
BANK OF NEW YORK MELLON CORP103.52 tis0.36%0.00%0.00%2009-09-30
VICTORY CAPITAL MANAGEMENT INC97.30 tis0.34%0.00%0.00%2019-03-31
WALLEYE CAPITAL LLC98.38 tis0.33%0.00%0.00%2025-12-31
ENGINEERS GATE MANAGER LP97.05 tis0.33%0.00%0.00%2026-03-31
CHARLES SCHWAB INVESTMENT MANAGEMENT INC87.66 tis0.30%0.00%0.00%2001-09-30
AMERIPRISE FINANCIAL INC81.09 tis0.28%0.00%0.00%2013-06-30
NORTHERN TRUST CORP81.97 tis0.27%0.00%0.00%2013-06-30
EMPOWERED FUNDS, LLC76.37 tis0.27%-0.01%0.00%2023-06-30
PEAK6 LLC72.60 tis0.25%0.00%0.00%2024-12-31
ARCHON CAPITAL MANAGEMENT LLC70.00 tis0.24%0.17%0.17%2024-06-30
HILLSDALE INVESTMENT MANAGEMENT INC.71.20 tis0.24%0.01%0.01%2026-03-31
XTX TOPCO LTD71.18 tis0.24%0.00%0.00%2025-09-30
MORGAN STANLEY69.85 tis0.23%0.00%0.00%2013-06-30
LSV ASSET MANAGEMENT66.00 tis0.23%0.00%0.00%2023-06-30
SHERBROOKE PARK ADVISERS LLC63.47 tis0.22%0.04%0.04%2024-03-31
PENSERRA CAPITAL MANAGEMENT LLC64.59 tis0.22%0.00%0.00%2019-03-31
CENTIVA CAPITAL, LP56.90 tis0.20%0.00%0.00%2024-06-30
CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD.57.25 tis0.19%0.00%0.00%2025-12-31
JUMP FINANCIAL, LLC55.59 tis0.19%0.00%0.00%2025-12-31
INTEGRATED QUANTITATIVE INVESTMENTS LLC53.63 tis0.18%0.03%0.03%2026-03-31
JACOBS LEVY EQUITY MANAGEMENT, INC51.93 tis0.17%0.00%0.00%2025-09-30
D. E. SHAW & CO., INC.50.00 tis0.17%0.00%0.00%2024-03-31
AXXCESS WEALTH MANAGEMENT, LLC49.40 tis0.17%-0.01%0.00%2023-03-31
NKCFO LLC50.00 tis0.17%-0.14%0.04%2024-12-31
VIDENT ADVISORY, LLC41.02 tis0.14%-0.01%0.00%2023-09-30
Y-INTERCEPT (HONG KONG) LTD40.81 tis0.14%0.01%0.01%2023-12-31
GROUP ONE TRADING, L.P.40.53 tis0.14%0.00%0.00%2020-03-31
CETERA INVESTMENT ADVISERS40.96 tis0.14%0.00%0.00%2024-12-31
GABELLI FUNDS LLC39.17 tis0.14%0.00%0.00%2020-09-30
IRONWOOD INVESTMENT MANAGEMENT LLC38.70 tis0.13%0.03%0.09%2016-09-30
SUSQUEHANNA INTERNATIONAL GROUP, LLP39.90 tis0.13%0.00%0.00%2025-12-31
SQUAREPOINT OPS LLC39.35 tis0.13%0.00%0.00%2025-09-30
FOURWORLD CAPITAL MANAGEMENT LLC37.82 tis0.13%0.02%0.08%2024-03-31
ANCORA ADVISORS, LLC35.76 tis0.12%0.00%0.00%2024-06-30
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO35.25 tis0.12%0.00%0.00%2013-09-30
CAPTION MANAGEMENT, LLC35.00 tis0.12%0.00%0.00%2024-09-30
BANK OF AMERICA CORP /DE/36.06 tis0.12%0.00%0.00%2013-03-31
GRAHAM CAPITAL MANAGEMENT, L.P.34.36 tis0.12%0.00%0.00%2026-03-31
INVESCO LTD.33.51 tis0.11%0.00%0.00%2011-12-31
PALOMA PARTNERS MANAGEMENT CO32.70 tis0.11%0.00%0.00%2024-06-30
POINT72 ASSET MANAGEMENT, L.P.33.71 tis0.11%0.00%0.00%2025-12-31
B. RILEY FINANCIAL, INC.32.26 tis0.11%0.10%0.10%2024-09-30
LPL FINANCIAL LLC32.97 tis0.11%0.00%0.00%2026-03-31
FRANKLIN RESOURCES INC32.64 tis0.11%0.00%0.00%2025-09-30
PRICE T ROWE ASSOCIATES INC /MD/31.86 tis0.11%0.00%0.00%2016-03-31
OMERS ADMINISTRATION CORP31.80 tis0.11%0.00%0.00%2025-12-31
VIRTU FINANCIAL LLC30.70 tis0.10%0.00%0.00%2025-06-30
GABELLI & CO INVESTMENT ADVISERS, INC.29.94 tis0.10%0.00%0.02%2021-12-31
BARCLAYS PLC29.59 tis0.10%0.00%0.00%2016-06-30
SCHONFELD STRATEGIC ADVISORS LLC28.90 tis0.10%0.00%0.00%2026-03-31
AMERICAN CENTURY COMPANIES INC27.67 tis0.09%0.00%0.00%2023-12-31
CLEAR STREET MARKETS LLC27.00 tis0.09%0.02%0.02%2024-06-30
OCCUDO QUANTITATIVE STRATEGIES LP27.85 tis0.09%0.01%0.01%2026-03-31
DYNAMIC TECHNOLOGY LAB PRIVATE LTD27.72 tis0.09%0.02%0.02%2026-03-31
NEWEDGE ADVISORS, LLC26.40 tis0.09%0.00%0.00%2023-03-31
SAVANT CAPITAL, LLC25.03 tis0.09%0.00%0.00%2024-06-30
TETON ADVISORS, INC.24.00 tis0.08%-0.04%0.03%2020-06-30
ALLIANCEBERNSTEIN L.P.23.51 tis0.08%0.00%0.00%2012-06-30
SIMPLEX TRADING, LLC23.01 tis0.08%0.00%0.00%2023-03-31
STIFEL FINANCIAL CORP22.56 tis0.08%0.00%0.00%2022-06-30
POINT72 ASIA (SINGAPORE) PTE. LTD.22.01 tis0.07%0.02%0.02%2023-12-31
CRESSET ASSET MANAGEMENT, LLC21.00 tis0.07%0.00%0.00%2025-09-30
COVESTOR LTD20.71 tis0.07%0.03%0.06%2025-09-30
B. RILEY ASSET MANAGEMENT, LLC19.62 tis0.07%1.03%1.03%2024-09-30
AQR CAPITAL MANAGEMENT LLC19.58 tis0.07%0.00%0.00%2023-09-30
HSBC HOLDINGS PLC19.33 tis0.07%0.00%0.00%2023-09-30
ADAGE CAPITAL PARTNERS GP, L.L.C.18.50 tis0.06%0.00%0.00%2015-09-30
OAK THISTLE LLC16.79 tis0.06%-0.02%0.04%2024-03-31
GAMCO INVESTORS, INC. ET AL17.00 tis0.06%0.00%0.00%2024-06-30
ALGERT GLOBAL LLC17.07 tis0.06%0.00%0.00%2025-12-31
JAIN GLOBAL LLC15.97 tis0.05%0.00%0.00%2025-06-30
RHUMBLINE ADVISERS15.14 tis0.05%0.00%0.00%2013-03-31
WILLIAMS JONES WEALTH MANAGEMENT, LLC.15.00 tis0.05%0.00%0.00%2024-12-31
HRT FINANCIAL LP14.89 tis0.05%0.00%0.00%2025-06-30
QUADRATURE CAPITAL LTD14.25 tis0.05%0.00%0.00%2025-09-30
MCADAM, LLC13.30 tis0.05%0.00%0.00%2025-03-31
QUBE RESEARCH & TECHNOLOGIES LTD13.02 tis0.05%0.00%0.00%2023-06-30
WOLVERINE TRADING, LLC12.50 tis0.04%0.00%0.00%2025-03-31
KESTRA ADVISORY SERVICES, LLC11.21 tis0.04%0.00%0.00%2024-12-31
BELVEDERE TRADING LLC10.00 tis0.03%0.00%0.00%2024-12-31
TOWER RESEARCH CAPITAL LLC (TRC)9.75 tis0.03%0.00%0.00%2017-12-31
CLOUD CAPITAL MANAGEMENT, LLC9.32 tis0.03%0.01%0.01%2025-09-30
CUBIST SYSTEMATIC STRATEGIES, LLC6.83 tis0.02%0.00%0.00%2022-09-30
LARSON FINANCIAL GROUP LLC6.36 tis0.02%0.00%0.00%2025-03-31
RUSSELL INVESTMENTS GROUP, LTD.6.22 tis0.02%0.00%0.00%2017-09-30
FMR LLC5.48 tis0.02%0.00%0.00%2022-03-31
NATIONAL BANK OF CANADA /FI/5.31 tis0.02%0.00%0.00%2021-12-31
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO4.26 tis0.01%0.00%0.00%2017-03-31
BNP PARIBAS ARBITRAGE, SNC3.41 tis0.01%0.00%0.00%2013-12-31
US BANCORP \DE\3.30 tis0.01%0.00%0.00%2020-06-30
ROYAL BANK OF CANADA3.06 tis0.01%0.00%0.00%2013-06-30
JPMORGAN CHASE & CO2.96 tis0.01%0.00%0.00%2013-06-30
CITIGROUP INC2.70 tis0.01%0.00%0.00%2010-12-31
INVESTORS RESEARCH CORP2.40 tis0.01%0.00%0.00%2019-03-31

Insider trading

Jméno Pozice Typ transakce Počet převedených akcií Průměrná cena akcie Datum Počet držených akcií
Walther Donald E.officer: Chief Legal OfficerF-InKind5763.5229.4 202643555
Walther Donald E.officer: Chief Legal OfficerM-Exempt16850.0029.4 202644131
Walther Donald E.officer: Chief Legal OfficerF-InKind98993.5229.4 202662642
Walther Donald E.officer: Chief Legal OfficerM-Exempt289860.0029.4 202672541
Walther Donald E.officer: Chief Legal OfficerM-Exempt289860.0029.4 2026144683
Walther Donald E.officer: Chief Legal OfficerM-Exempt16850.0029.4 2026173669
Quinlan Mark R.directorA-Award366200.0026.3 202691275
Waldman LawrencedirectorA-Award366200.0026.3 2026103974
Sprung Lloyd A.directorA-Award366200.0026.3 202636620
RAYMOND MARY JANEdirectorA-Award366200.0026.3 202636620
Hildebrandt MichaeldirectorA-Award366200.0026.3 202673836
Crawford Bruce TdirectorA-Award366200.0026.3 202636620
Gizinski Danielofficer: President, S&S Comm. SegmentF-InKind4605.295.2 202631240
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt10190.005.2 202631700
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt10190.005.2 2026145435
Traub Kennethdirector, officer: Chairman, President and CEOF-InKind224395.8726.1 202658440
Traub Kennethdirector, officer: Chairman, President and CEOM-Exempt546450.0026.1 202680879
Traub Kennethdirector, officer: Chairman, President and CEOM-Exempt546450.0026.1 2026416308
Robertson Jeffery Paulofficer: President, Allerium SegmentF-InKind22685.4712.1 202646845
Robertson Jeffery Paulofficer: President, Allerium SegmentM-Exempt40360.0012.1 202649113
Robertson Jeffery Paulofficer: President, Allerium SegmentM-Exempt40360.0012.1 2026202613
RAYMOND MARY JANEdirector: 00.0016.12 20250
Robertson Jeffery Paulofficer: President, Allerium SegmentA-Award1069080.0012.11 2025206649
Traub Kennethdirector, officer: Chairman, President and CEOA-Award3070180.0012.11 2025470953
Walther Donald E.officer: Chief Legal OfficerA-Award1069080.0012.11 2025175354
BONDI MICHAELofficer: Chief Financial OfficerA-Award1480260.0012.11 2025195054
Gizinski Danielofficer: President, S&S Comm. SegmentA-Award1192430.0012.11 2025146454
Gizinski Danielofficer: President, S&S Comm. SegmentF-InKind5393.0412.11 202530681
Gizinski Danielofficer: President, S&S Comm. SegmentA-Award11930.0012.11 202531220
Walther Donald E.officer: Chief Legal OfficerF-InKind8683.0412.11 202542446
Walther Donald E.officer: Chief Legal OfficerA-Award26050.0012.11 202543314
BONDI MICHAELofficer: Chief Financial OfficerF-InKind25613.0412.11 2025144958
BONDI MICHAELofficer: Chief Financial OfficerA-Award50150.0012.11 2025147519
BONDI MICHAELofficer: Chief Financial OfficerM-Exempt177550.002.10 202547028
BONDI MICHAELofficer: Chief Financial OfficerF-InKind90642.582.10 2025142504
BONDI MICHAELofficer: Chief Financial OfficerM-Exempt177550.002.10 2025151568
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt88930.002.10 202527211
Gizinski Danielofficer: President, S&S Comm. SegmentF-InKind40112.582.10 202530027
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt88930.002.10 202534038
Walther Donald E.officer: Chief Legal OfficerF-InKind53112.582.10 202540709
Walther Donald E.officer: Chief Legal OfficerM-Exempt159460.002.10 202546020
Walther Donald E.officer: Chief Legal OfficerM-Exempt159460.002.10 202568446
Robertson Jeffery Paulofficer: President, T&W SegmentF-InKind24922.582.10 202545077
Robertson Jeffery Paulofficer: President, T&W SegmentM-Exempt49070.002.10 202547569
Robertson Jeffery Paulofficer: President, T&W SegmentM-Exempt49070.002.10 202599741
Sprung Lloyd A.director: 00.0028.8 20250
Gizinski Danielofficer: President, S&S Comm. SegmentF-InKind6202.0819.8 202525145
BONDI MICHAELofficer: Chief Financial OfficerM-Exempt48420.0014.8 202564783
BONDI MICHAELofficer: Chief Financial OfficerF-InKind24722.0814.8 2025133813
BONDI MICHAELofficer: Chief Financial OfficerM-Exempt48420.0014.8 2025136285
Gizinski Danielofficer: President, S&S Comm. SegmentF-InKind6932.0814.8 202525072
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt13740.0014.8 202525765
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt13740.0014.8 202536104
Walther Donald E.officer: Chief Legal OfficerF-InKind19591.9913.8 202530074
Walther Donald E.officer: Chief Legal OfficerM-Exempt58820.0013.8 202532033
Walther Donald E.officer: Chief Legal OfficerM-Exempt58820.0013.8 202584392
Gizinski Danielofficer: President, S&S Comm. SegmentF-InKind8851.9913.8 202524391
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt19610.0013.8 202525276
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt19610.0013.8 202537478
BONDI MICHAELofficer: Chief Financial OfficerM-Exempt103210.0013.8 202569625
BONDI MICHAELofficer: Chief Financial OfficerF-InKind52691.9913.8 2025131443
BONDI MICHAELofficer: Chief Financial OfficerM-Exempt103210.0013.8 2025136712
BONDI MICHAELofficer: Chief Financial OfficerM-Exempt11950.0012.8 202579946
BONDI MICHAELofficer: Chief Financial OfficerF-InKind6112.0112.8 2025126391
BONDI MICHAELofficer: Chief Financial OfficerM-Exempt11950.0012.8 2025127002
Gizinski Danielofficer: President, S&S Comm. SegmentF-InKind1272.0112.8 202523315
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt2800.0012.8 202523442
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt2800.0012.8 202539439
BONDI MICHAELofficer: Chief Financial OfficerM-Exempt18100.005.8 202581141
BONDI MICHAELofficer: Chief Financial OfficerF-InKind9252.055.8 2025125807
BONDI MICHAELofficer: Chief Financial OfficerM-Exempt18100.005.8 2025126732
Gizinski Danielofficer: President, S&S Comm. SegmentF-InKind1582.055.8 202523162
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt3490.005.8 202523320
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt3490.005.8 202539719
Gizinski Danielofficer: President, S&S Comm. SegmentF-InKind11602.174.8 202522971
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt25720.004.8 202524131
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt25720.004.8 202540068
Robertson Jeffery Paulofficer: President, T&W SegmentF-InKind197602.104.6 202542662
Robertson Jeffery Paulofficer: President, T&W SegmentM-Exempt389110.004.6 202562422
Robertson Jeffery Paulofficer: President, T&W SegmentM-Exempt389110.004.6 2025104648
Walther Donald E.officer: Chief Legal OfficerF-InKind5621.3929.4 202526151
Walther Donald E.officer: Chief Legal OfficerM-Exempt16850.0029.4 202526713
Walther Donald E.officer: Chief Legal OfficerM-Exempt16850.0029.4 202590274
Quinlan Mark R.directorD-Return309180.004.3 20250
Quinlan Mark R.directorA-Award309180.004.3 202530918
Quinlan Mark R.directorA-Award300.004.3 202530947
Kagan David B.directorA-Award336270.0026.2 202533627
Kagan David B.director: 00.0024.2 20250
Gizinski Danielofficer: President, S&S Comm. SegmentF-InKind5151.975.2 202521559
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt10200.005.2 202522074
Gizinski Danielofficer: President, S&S Comm. SegmentM-Exempt10200.005.2 202542640
Traub Kennethdirector, officer: Chairman, President and CEOA-Award1639350.0027.1 2025163935
Hildebrandt MichaeldirectorA-Award372160.0027.1 202537216
Robertson Jeffery Paulofficer: President, T&W SegmentA-Award121070.0014.1 2025143559
Hildebrandt Michaeldirector: 00.0022.11 20240
Houston Dougofficer: President, Antennas & SystemsF-InKind5622.917.11 20249683
Houston Dougofficer: President, Antennas & SystemsA-Award14270.007.11 202410245
Gizinski Danielofficer: CSO & President of CSNTIF-InKind2302.917.11 202421054
Gizinski Danielofficer: CSO & President of CSNTIA-Award5080.007.11 202421284
BONDI MICHAELofficer: Chief Financial OfficerA-Award24470.004.11 2024126172
preloader