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Disclosery

ATRO ASTRONICS CORP

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Stock (common), issuer CIK 8063

181 managers (184 13F filers) reported a position in ATRO shares at 2025-03-31, 27,644,133 shares in all. 41 filers opened a position and 14 filers sold out during the quarter.

Managers
181
13F filers
184
New
41
Added
63
Reduced
56
Sold out
14
Shares held by filers
27,644,133

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2025

Filers in the available 13F reports with a share position at 2025-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.2,538,176$61.3M<0.01%-48,92413F-HRTimelineGroup
ACK Asset Management LLC2,060,000$49.8M8.18%013F-HRTimeline
325 CAPITAL LLCin group 325 CAPITAL LLC1,698,916$41.1M17.01%-42,09413F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC1,601,632$38.7M<0.01%+27,02513F-HRTimelineGroup
NEXT CENTURY GROWTH INVESTORS LLC1,289,296$31.2M2.77%-248,62913F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/1,071,989$25.9M<0.01%+1,036,86013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP995,697$24.1M<0.01%+23,44213F-HRTimelineGroup
ROYCE & ASSOCIATES LP958,905$23.2M0.25%-191,45013F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP921,225$22.3M0.01%-77,28113F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC746,956$18.1M0.02%+332,13313F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC714,193$17.3M<0.01%+23,58613F-HRTimelineGroup
Senator Investment Group LP708,883$17.1M0.91%+50,00013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Schonfeld Strategic Advisors LLC658,449$15.9M0.11%-223,05513F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.587,408$14.2M0.02%+384,06713F-HRTimelineGroup
EARNEST PARTNERS LLC528,491$12.8M0.06%new13F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY526,255$12.7M<0.01%+159,63713F-HRTimelineGroup
Minerva Advisors LLC463,105$11.2M7.96%013F-HR/ATimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO439,287$10.6M<0.01%+202,88113F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC408,094$9.86M<0.01%+44,80813F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding404,360$9.77M+127,812Timeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC402,488$9.73M0.01%+13,83413F-HRTimelineGroup
Private Capital Management, LLC402,958$9.72M1.08%new13F-HRTimeline
Cubist Systematic Strategies, LLC301,880$7.3M0.1%+143,66913F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC284,400$6.87M0.01%-2,30013F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP277,507$6.71M0.01%+131,88113F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…277,426$6.71M0.01%-124,00013F-HRTimelineGroup
NEEDHAM INVESTMENT MANAGEMENT LLCin group NEEDHAM INVESTMENT MANAGEMENT…267,500$6.47M0.61%013F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP247,638$5.99M<0.01%-9,99513F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC230,492$5.57M0.01%+196,56813F-HR/ATimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC228,424$5.52M<0.01%new13F-HRTimelineGroup
REDWOOD CAPITAL MANAGEMENT, LLCin group REDWOOD CAPITAL MANAGEMENT, L…225,893$5.46M0.82%-433,71113F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC222,486$5.38M<0.01%+46,05413F-HR/ATimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN179,695$4.34M<0.01%+161,48613F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL176,943$4.28M0.04%new13F-HRTimeline
UBS Group AGgroup of 2 filers holding165,764$4.01M-90,282Timeline
Nuveen, LLCin group TIAA163,310$3.95M<0.01%13F-HRTimelineGroup
Teton Advisors, Inc.157,000$3.79M2.37%-15,00013F-HRTimeline
Trexquant Investment LP131,038$3.17M0.04%+73,13813F-HRTimeline
Assenagon Asset Management S.A.128,757$3.11M0.01%+89,03313F-HRTimeline
Informed Momentum Co LLC127,003$3.07M0.53%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS123,117$2.98M<0.01%+84,64813F-HRTimelineGroup
Advisors Asset Management, Inc.118,145$2.86M0.05%+21,45413F-HR/ATimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp113,964$2.75M<0.01%+5,73313F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC112,210$2.71M<0.01%+18,97513F-HRTimelineGroup
KENNEDY CAPITAL MANAGEMENT LLC108,641$2.63M0.06%-43613F-HRTimeline
Fisher Asset Management, LLC102,739$2.48M<0.01%-5,22913F-HRTimeline
RBF Capital, LLC100,372$2.43M0.15%013F-HRTimeline
Connor, Clark & Lunn Investment Managem…94,102$2.27M0.01%+45,48413F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND93,113$2.25M<0.01%-20,02113F-HR/ATimeline
PDT Partners, LLC88,785$2.15M0.15%+25,20313F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\86,612$2.09M<0.01%-3,89713F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co85,347$2.06M<0.01%+4,17413F-HR/ATimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …83,876$2.03M<0.01%new13F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC75,874$1.83M0.03%+30,65413F-HR/ATimelineGroup
GAMCO Investors (Gabelli)group of 2 filers holding75,726$1.83M-7,900Timeline
Verition Fund Management LLC75,639$1.83M0.01%+50,21213F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC75,403$1.82M0.01%-92,62813F-HRTimelineGroup
WHITE PINE CAPITAL LLC71,358$1.72M0.6%-33,16813F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc67,055$1.62M<0.01%-1,37113F-HRTimelineGroup
Engineers Gate Manager LP66,409$1.61M0.03%+51,40513F-HRTimeline
Skylands Capital, LLC63,000$1.52M0.22%-38,63213F-HRTimeline
RHUMBLINE ADVISERS61,101$1.48M<0.01%-10313F-HR/ATimeline
ExodusPoint Capital Management, LP60,573$1.46M0.02%-51,11313F-HRTimeline
Qube Research & Technologies Ltd58,969$1.43M<0.01%+6,79313F-HRTimeline
State of Wyoming58,541$1.41M0.19%+6,69913F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC58,080$1.4M0.02%new13F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…57,927$1.4M<0.01%+28,44913F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.55,980$1.35M<0.01%+20,13613F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…52,200$1.26M<0.01%new13F-HRTimeline
Invesco Ltd.in group Invesco Ltd.50,851$1.23M<0.01%+9,21813F-HRTimelineGroup
Swiss National Bank48,900$1.18M<0.01%-5,90013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC44,739$1.08M<0.01%+11,36213F-HRTimelineGroup
AVANTAX ADVISORY SERVICES, INC.43,163$1.04M0.01%new13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA40,931$990K<0.01%-18413F-HR/ATimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC40,807$986K0.03%+21,86713F-HRTimeline
BANTAMAC CAPITAL, LLC40,357$975K0.47%new13F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources36,408$880K<0.01%+15,52613F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC34,808$841K<0.01%-18,15213F-HR/ATimelineGroup
IRONWOOD INVESTMENT MANAGEMENT LLC31,382$759K0.41%+3,90413F-HRTimeline
CITIGROUP INCin group CITIGROUP INC29,189$705K<0.01%-1,66713F-HRTimelineGroup
Centiva Capital, LP29,034$702K0.04%new13F-HRTimeline
Quantbot Technologies LP28,938$699K0.02%+28,91013F-HRTimeline
Aquatic Capital Management LLC28,025$677K0.02%+16,48413F-HRTimeline
GSA CAPITAL PARTNERS LLP27,546$666K0.06%-5,99913F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…26,144$632K<0.01%013F-HRTimeline
Dynamic Technology Lab Private Ltd25,660$620K0.09%-24,80913F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD25,583$618K<0.01%new13F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC25,000$604K<0.01%-10,00013F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.24,940$603K<0.01%+11,24013F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC24,236$586K0.03%new13F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd22,357$540K0.03%+4,90713F-HRTimelineGroup
Wealthspire Advisors, LLC21,742$526K<0.01%-4713F-HRTimeline
Jain Global LLC19,050$460K0.01%new13F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP19,036$460K<0.01%new13F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS18,785$454K<0.01%new13F-HRTimeline
SHERBROOKE PARK ADVISERS LLC17,864$432K0.2%+98913F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC17,686$427K<0.01%-46,33313F-HR/ATimelineGroup
Petrus Trust Company, LTA17,646$427K0.04%-21,40413F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…17,491$423K<0.01%+1,06913F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.17,230$416K<0.01%-7,87013F-HR/ATimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…17,211$416K<0.01%-2,07013F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO16,948$410K<0.01%new13F-HR/ATimelineGroup
OCCUDO QUANTITATIVE STRATEGIES LP16,520$408K0.05%+1,94413F-HRTimeline
Hennion & Walsh Asset Management, Inc.16,662$403K0.02%-43713F-HRTimeline
Southland Equity Partners LLC16,656$403K0.09%new13F-HRTimeline
Cove Street Capital, LLC16,555$400K0.63%new13F-HRTimeline
Creative Planningin group Creative Planning15,939$385K<0.01%new13F-HRTimelineGroup
Quadrature Capital Ltdin group Quadrature Capital Ltd15,603$377K0.01%new13F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC15,591$377K<0.01%new13F-HRTimelineGroup
Corebridge Financial, Inc.in group Corebridge Financial, Inc.14,383$348K<0.01%-4213F-HRTimelineGroup
EntryPoint Capital, LLC13,798$333K0.15%-19,76813F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson13,400$331K<0.01%013F-HRTimelineGroup
&PARTNERS12,963$320K<0.01%new13F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/12,941$313K<0.01%+1,37013F-HRTimeline
Integrated Quantitative Investments LLC12,700$307K0.15%-8,50013F-HRTimeline
RiverPark Advisors, LLCin group RiverPark Advisors, LLC12,658$306K0.24%-6,49513F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC12,605$305K<0.01%-73013F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP12,596$304K<0.01%+1,37013F-HRTimelineGroup
HUNTER ASSOCIATES INVESTMENT MANAGEMENT…12,000$290K0.04%013F-HRTimeline
SG Americas Securities, LLC11,818$286K<0.01%-2,43213F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC11,536$279K<0.01%-1,87513F-HRTimeline
Graham Capital Management, L.P.11,017$266K0.01%-2,40713F-HRTimeline
VOLORIDGE INVESTMENT MANAGEMENT, LLC10,569$255K<0.01%new13F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …10,532$255K<0.01%-23713F-HRTimelineGroup
VIRGINIA RETIREMENT SYSTEMS ET Al10,500$254K<0.01%13F-HRTimeline
EQUITABLE TRUST CO10,395$251K0.01%new13F-HRTimeline
Bristlecone Advisors, LLC10,280$248K0.02%013F-HRTimeline
Polymer Capital Management (US) LLC9,776$236K0.07%-2,11813F-HRTimeline
Gotham Asset Management, LLC9,534$230K<0.01%new13F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd8,550$207K0.01%new13F-HRTimelineGroup
ARCADIA INVESTMENT MANAGEMENT CORP/MI8,451$204K0.04%013F-HRTimeline
MML INVESTORS SERVICES, LLC8,396$203K<0.01%new13F-HRTimeline
DekaBank Deutsche Girozentrale8,146$194K<0.01%013F-HRTimeline
Police & Firemen's Retirement System of…5,951$144K<0.01%-1,03413F-HRTimeline
West Branch Capital LLC5,700$138K0.05%013F-HRTimeline
FMR LLCin group FMR LLC5,526$134K<0.01%+4,10613F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…5,404$131K<0.01%013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…5,228$126K<0.01%013F-HRTimeline
SIMPLEX TRADING, LLC4,844$117K<0.01%new13F-HRTimeline
KLP KAPITALFORVALTNING AS4,600$111K<0.01%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co3,945$96K<0.01%013F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,722$65.8K<0.01%013F-HRTimelineGroup
CWM, LLCin group CWM, LLC2,592$63K<0.01%+1,70513F-HRTimelineGroup
AlphaQuest LLC2,598$62.8K0.01%-97813F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.1,765$42.7K<0.01%-64,89613F-HRTimelineGroup
Point72 (DIFC) Ltd1,728$41.8K<0.01%+97713F-HRTimeline
MCF Advisors LLC1,491$36K<0.01%-22813F-HRTimeline
SIGNATUREFD, LLC1,446$35K<0.01%+67913F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,110$26.8K<0.01%-23,37313F-HRTimelineGroup
CNB Bank1,072$25.9K0.01%013F-HRTimeline
AMALGAMATED BANK973$24K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC755$18.2K<0.01%+13013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…730$17.6K<0.01%new13F-HRTimelineGroup
Quarry LP681$16.5K<0.01%new13F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\678$16.4K<0.01%new13F-HRTimelineGroup
Leonteq Securities AG530$12.8K<0.01%-1,88513F-HRTimeline
Versant Capital Management, Inc510$12.3K<0.01%+17713F-HRTimeline
Sterling Capital Management LLC507$12.3K<0.01%-41013F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management454$11K<0.01%new13F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…378$9.14K<0.01%+36113F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…361$8.73K<0.01%+10413F-HRTimelineGroup
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…300$7.25K<0.01%-713F-HRTimelineGroup
Wilmington Savings Fund Society, FSB294$7.11K<0.01%new13F-HRTimeline
QUADRANT CAPITAL GROUP LLC273$6.6K<0.01%-4613F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP252$6.22K<0.01%+5013F-HR/ATimelineGroup
GAMMA Investing LLC249$6.02K<0.01%+21313F-HR/ATimeline
COLDSTREAM CAPITAL MANAGEMENT INC193$4.67K<0.01%new13F-HRTimeline
Caitong International Asset Management …149$3.6K<0.01%new13F-HRTimeline
Banque Transatlantique SAin group Banque Transatlantique SA100$2.42K<0.01%013F-HR/ATimelineGroup
Brooklyn Investment Group97$2.35K<0.01%new13F-HRTimeline
Lindbrook Capital, LLC90$2.17K<0.01%+1013F-HRTimeline
RAFFA WEALTH MANAGEMENT, LLC66$1.59K<0.01%013F-HRTimeline
MassMutual Private Wealth & Trust, FSB62$1.5K<0.01%new13F-HRTimeline
True Wealth Design, LLC48$1.16K<0.01%new13F-HRTimeline
Arax Advisory Partners43$1.04K<0.01%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC35$846<0.01%+3013F-HRTimeline
Parallel Advisors, LLC28$677<0.01%013F-HRTimeline
SBI Securities Co., Ltd.25$604<0.01%+1913F-HRTimeline
Stephens Consulting, LLC15$363<0.01%new13F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK1$24<0.01%013F-HRTimelineGroup
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0-2,41313F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.