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Institutional holders

Every institution that has declared a stake above 5% in a SPAC on Schedule 13G or 13D, resolved by its SEC filer CIK and ranked by how many SPACs it is in. Click a name for that filer’s whole footprint — every SPAC, every percentage, and the accession each was read from.

Read both columns. A filer’s SPAC count is the record of what it has declared; the re-affirmed count beside it is what was restated inside 365 days. An amendment is only compelled by a material change, so a fund that sells below 5% is never obliged to say so — its last schedule stays current for ever, and a footprint printed without a date is a lie told with correct numbers.

Filers
2591
distinct SEC filer CIKs with a current declared position
On the arb roster
64
a curated judgement, and a lower bound — see the note below
Rows resolved
53,376
of 53,672 cover-page rows carry an EDGAR filer CIK
Newest statement
Aug 14, 2026
the most recent Schedule 13 read into this table

By footprint

the 250 largest of 2591 filers
FilerSPACsRe-affirmedLiveMedian %Max %Last filed
GLAZER CAPITAL, LLCarb27228311.3%22.2%Aug 13, 2026
Polar Asset Management Partners Inc.arb25036482.0%12.5%Aug 14, 2026
Saba Capital Management, L.P.arb2253110.0%9.9%Aug 13, 2026
INTEGRATED CORE STRATEGIES (US) LLCarb203552.7%9.0%Aug 11, 2026
HIGHBRIDGE CAPITAL MANAGEMENT LLCarb19541462.0%10.1%Aug 14, 2026
Magnetar Financial LLCarb17656766.7%9.8%Aug 13, 2026
CITADEL ADVISORS LLCarb175040.4%8.5%Feb 23, 2024
Sculptor Capital LParb16525250.5%9.7%Aug 14, 2026
AQR CAPITAL MANAGEMENT LLCarb16148665.4%11.2%Aug 14, 2026
Linden Capital L.P.arb16147515.3%9.8%Aug 14, 2026
ARISTEIA CAPITAL LLCarb14630295.1%9.9%Aug 14, 2026
Karpus Management, Inc.arb13223330.1%21.6%Aug 14, 2026
MIZUHO FINANCIAL GROUP INC13033437.0%9.8%Aug 13, 2026
Weiss Asset Management LParb123020.0%9.6%Feb 9, 2024
First Trust Capital Management L.P.arb11612295.2%21.5%Aug 14, 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.arb115020.3%69.0%Feb 26, 2024
METEORA CAPITAL, LLCarb11332375.9%47.4%Aug 14, 2026
PERISCOPE CAPITAL INC.arb110070.9%9.0%May 12, 2025
Shaolin Capital Management LLCarb1087115.4%20.7%Apr 7, 2026
Harraden Circle Investments, LLCarb10745600.0%14.3%Aug 14, 2026
Space Summit Capital LLCarb1038210.0%10.9%Aug 3, 2026
Feis Lawrence Michael100071.5%10.0%Dec 13, 2024
Hudson Bay Capital Management LParb9310100.0%62.5%Aug 10, 2026
BARCLAYS PLC8833355.5%8.3%Aug 13, 2026
GOLDMAN SACHS GROUP INC8641364.1%8.3%Aug 14, 2026
MMCAP International Inc. SPC8518264.0%14.9%Aug 14, 2026
MILLENNIUM MANAGEMENT LLCarb8119244.1%8.4%Aug 12, 2026
Beryl Capital Management LLC81040.0%12.6%Nov 13, 2024
BlackRock Inc.77005.0%12.3%Jul 8, 2024
Radcliffe Capital Management, L.P.arb76040.0%6.6%Oct 18, 2024
BOOTHBAY FUND MANAGEMENT, LLCarb751100.0%7.3%Nov 14, 2025
Adage Capital Management, L.P.arb7371677.6%9.0%Aug 12, 2026
WOLVERINE ASSET MANAGEMENT LLCarb7327364.8%30.0%Jul 24, 2026
Empyrean Capital Partners, LP66663.2%9.4%Aug 14, 2026
HGC Investment Management Inc.arb65256.2%9.8%Feb 17, 2026
RP Investment Advisors LP6414140.8%9.5%Aug 10, 2026
VANGUARD GROUP INC64006.6%12.9%Nov 12, 2024
FIR TREE CAPITAL MANAGEMENT LParb52040.0%8.6%Feb 14, 2025
LMR Partners LLParb4923246.5%9.9%Aug 14, 2026
COWEN AND COMPANY, LLC490125.5%12.0%Feb 13, 2025
TENOR CAPITAL MANAGEMENT Co., L.P.arb4820265.7%33.0%Aug 14, 2026
BlueCrest Capital Management Ltd48002.9%26.9%Feb 3, 2023
D. E. SHAW & CO, L.P.arb46121.7%9.9%Aug 14, 2026
K2 PRINCIPAL FUND, L.P.44474.1%9.9%May 1, 2026
ATW SPAC MANAGEMENT LLC42170.0%9.3%Feb 6, 2026
BlackRock, Inc.41006.0%14.2%Nov 12, 2024
BASSO CAPITAL MANAGEMENT, L.P.arb41000.0%8.4%Feb 10, 2023
BANK OF MONTREAL /CAN/3811120.0%8.0%Feb 12, 2026
FMR LLC36005.2%15.0%Nov 12, 2024
Wealthspring Capital LLCarb359166.9%13.4%Jul 9, 2026
Atalaya Capital Management LParb35014.0%9.9%Feb 14, 2024
Westchester Capital Management, LLC349136.5%35.0%Aug 14, 2026
Lighthouse Investment Partners, LLCarb34671.0%13.0%Aug 11, 2026
UBS OCONNOR LLCarb34000.6%16.9%Feb 12, 2024
Fort Baker Capital Management LP3215125.3%9.8%Aug 14, 2026
Walleye Capital LLCarb32045.8%28.8%May 15, 2025
CALAMOS INVESTMENT TRUST/ILarb31050.0%22.8%Sep 2, 2025
BERKLEY W R CORParb3027216.2%7.2%Aug 6, 2026
Owl Creek Asset Management, L.P.30021.9%27.8%Nov 14, 2024
Vellar Opportunities Fund Master, Ltd.30000.1%10.0%Nov 14, 2024
Castle Creek Arbitrage, LLC30010.0%97.0%Jan 10, 2024
683 Capital Management, LLC29020.0%9.0%Nov 15, 2024
Yakira Capital Management, Inc.arb28240.0%9.3%Apr 8, 2026
Apollo Management Holdings GP, LLC28013.8%72.2%Nov 14, 2024
Feis Equities LLC2727274.9%10.0%Aug 10, 2026
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDarb259152.0%20.7%Aug 13, 2026
CANTOR FITZGERALD SECURITIES25000.0%7.5%Feb 12, 2024
Park West Asset Management LLC24000.4%8.3%Nov 14, 2024
CVI Investments, Inc.23334.7%8.9%Aug 14, 2026
RIVERNORTH CAPITAL MANAGEMENT, LLCarb23157.0%9.9%Feb 17, 2026
Kepos Capital LParb22130.1%9.3%Nov 13, 2025
NOMURA HOLDINGS INC21014.2%5.8%Nov 14, 2024
SPRING CREEK CAPITAL LLC20033.5%13.3%Aug 9, 2024
DAVIDSON KEMPNER PARTNERS20005.5%9.8%Feb 3, 2023
Alyeska Investment Group, L.P.19100.0%10.0%Aug 14, 2026
MARSHALL WACE, LLParb19010.0%7.5%Feb 14, 2024
BALYASNY ASSET MANAGEMENT LLC18367.1%9.3%Aug 14, 2026
RA CAPITAL MANAGEMENT, L.P.18331.3%10.0%Aug 13, 2026
YA II PN, Ltd.18020.5%10.0%Jan 13, 2025
PRICE T ROWE ASSOCIATES INC /MD/18002.8%14.6%Nov 14, 2024
MORGAN STANLEY17015.4%11.0%Nov 8, 2024
Sea Otter Advisors LLCarb17010.0%8.4%Feb 14, 2024
WELLINGTON MANAGEMENT GROUP LLP16007.8%12.9%Nov 8, 2024
GUGGENHEIM CAPITAL LLC16000.0%4.7%Oct 10, 2023
MOORE CAPITAL MANAGEMENT, LP15001.8%40.7%Dec 10, 2024
JANE STREET GROUP, LLC15000.0%1.1%Nov 14, 2024
Taconic Capital Advisors LP15010.0%6.9%Nov 13, 2024
SEA OTTER SECURITIES GROUP LLCarb15014.7%5.0%Aug 23, 2022
Decagon Asset Management LLP1414136.0%9.7%Aug 14, 2026
PROPPER KERRY14243.3%7.8%May 15, 2026
Alberta Investment Management Corp14121.2%7.9%Mar 4, 2026
SUVRETTA CAPITAL MANAGEMENT, LLC14000.8%10.5%Nov 14, 2024
Anson Funds Management LP13430.6%9.9%May 15, 2026
J. Goldman & Co LP13544.3%7.3%May 15, 2026
Sandia Investment Management LP13011.8%8.3%Feb 14, 2025
P SCHOENFELD ASSET MANAGEMENT LP13001.5%7.8%Feb 14, 2024
TD SECURITIES (USA) LLC12580.6%6.8%Aug 12, 2026
ARK Investment Management LLC120010.1%12.7%Dec 10, 2024
Flynn James E12001.7%10.0%Nov 14, 2024
Governors Lane LP12000.0%4.6%Feb 14, 2024
Centiva Capital, LP11340.0%7.3%Aug 13, 2026
PICTON MAHONEY ASSET MANAGEMENTarb11436.8%10.0%Aug 11, 2026
Point72 Asset Management, L.P.11121.2%8.7%Jan 21, 2026
ARMISTICE CAPITAL, LLC11007.5%10.0%Nov 14, 2024
Farallon Capital Partners, L.P.11005.9%9.9%Nov 6, 2024
Soroban Capital Partners LP11000.0%6.7%Feb 14, 2022
JPMORGAN CHASE & CO10212.3%8.1%Jul 22, 2026
BANK OF NOVA SCOTIA10013.5%5.2%Oct 10, 2024
Third Point LLC10005.3%10.0%Feb 13, 2024
Arena Capital Advisors, LLC- CA10010.0%9.9%Feb 12, 2024
OXFORD ASSET MANAGEMENT LLP10000.0%1.6%Feb 16, 2021
PERCEPTIVE ADVISORS LLC9226.7%12.8%Jul 20, 2026
Nantahala Capital Management, LLC9111.6%10.9%May 15, 2026
Blackstone Holdings I L.P.9115.4%10.6%Jan 30, 2026
RTW INVESTMENTS, LP9006.9%21.5%Nov 14, 2024
Oaktree Capital Group, LLC9006.0%9.9%Feb 14, 2024
Hartree Partners, LP9000.0%7.7%Feb 13, 2024
Cowen Financial Products LLC9000.8%1.5%Feb 2, 2024
SOFTBANK GROUP CORP90019.1%64.8%Sep 1, 2023
BAUPOST GROUP LLC/MA9000.0%4.8%Feb 14, 2023
Encompass Capital Advisors LLC8113.4%7.4%Aug 14, 2026
JANUS HENDERSON GROUP PLC8115.3%17.3%Aug 13, 2026
BIOTECHNOLOGY VALUE FUND L P8336.1%31.4%Aug 12, 2026
CANYON CAPITAL ADVISORS LLC8000.0%1.2%Nov 14, 2024
Corbin Capital Partners, L.P.8002.1%8.7%Feb 14, 2024
Luxor Capital Group, LP8000.0%6.8%Feb 14, 2023
EJF Capital LLC8000.0%2.8%Feb 25, 2022
MANULIFE FINANCIAL CORP8006.0%8.3%Feb 3, 2021
MAVERICK CAPITAL LTD7107.0%35.4%May 26, 2026
WHITEBOX ADVISORS LLCarb7235.1%6.2%Apr 22, 2026
Antara Capital LP7001.6%8.9%Nov 14, 2024
Atlas Merchant Capital LLC7000.0%9.5%Nov 14, 2024
Funicular Funds, LP70010.0%22.4%Nov 5, 2024
DEUTSCHE BANK AG\7000.0%1.4%Feb 13, 2024
BNP Paribas Asset Management UK Ltd7008.4%11.8%Jan 10, 2024
Exos Asset Management LLCarb7017.4%20.8%Jun 30, 2023
BANK OF AMERICA CORP /DE/6110.0%16.1%Aug 3, 2026
MANGROVE PARTNERS6127.6%12.3%Jul 20, 2026
Ayrton Capital LLC6005.8%9.9%Nov 14, 2024
T. Rowe Price Investment Management, Inc.60011.3%16.9%Nov 14, 2024
SB INVESTMENT ADVISERS (UK) LTD6008.2%30.5%Nov 12, 2024
Bay Pond Partners, L.P.6005.3%7.7%Nov 8, 2024
Temasek Holdings (Private) Ltd6008.8%19.4%Oct 25, 2024
PEAK6 Capital Management LLC6005.7%7.1%Mar 21, 2024
LIGHT STREET CAPITAL MANAGEMENT, LLC6000.0%2.9%Feb 14, 2024
GIC Private Ltd6003.7%8.1%Feb 12, 2024
Senvest Management, LLC6005.7%8.0%Feb 9, 2024
FARALLON CAPITAL MANAGEMENT LLC6005.2%14.8%Feb 1, 2024
D1 Capital Partners L.P.6000.0%7.0%Feb 14, 2023
ADAR1 Capital Management, LLC5335.6%8.4%Aug 14, 2026
COMMODORE CAPITAL LP5335.5%7.0%Aug 14, 2026
MERUS GLOBAL INVESTMENTS, LLC5514.3%5.3%Aug 14, 2026
Context Capital Management, LLCarb5445.6%8.5%Aug 6, 2026
Dryden Capital, LLC5115.9%9.9%Jul 30, 2026
L1 Capital Global Opportunities Master Fund, Ltd.5010.0%10.0%Feb 14, 2025
CANTOR FITZGERALD & CO.5005.5%8.8%Nov 14, 2024
GRANAHAN INVESTMENT MANAGEMENT INC/MA5005.0%8.4%Nov 14, 2024
HG Vora Capital Management, LLC5001.7%4.3%Nov 14, 2024
Jefferies Financial Group Inc.5009.9%11.4%Nov 13, 2024
GLENVIEW CAPITAL MANAGEMENT, LLC5003.5%10.2%Oct 18, 2024
Capital World Investors5004.5%13.9%Jun 18, 2024
WASATCH ADVISORS INC5002.0%10.0%Apr 5, 2024
Alpha Wave Global, LP5005.6%12.9%Feb 14, 2024
Ionic Capital Management LLC5004.6%5.4%Feb 14, 2024
Woodline Partners LP5000.0%4.3%Feb 12, 2024
BAMCO INC /NY/5004.1%13.1%Feb 14, 2023
GILDER GAGNON HOWE & CO LLC5003.0%3.8%Feb 14, 2023
Invesco Ltd.5000.1%4.9%Feb 8, 2023
FEDERATED HERMES, INC.5001.8%7.0%Jan 10, 2023
SB Management Ltd5009.0%43.5%Feb 14, 2022
SCOPUS ASSET MANAGEMENT, L.P.5000.0%2.2%Feb 14, 2022
Verition Fund Management LLC4343.5%7.2%May 15, 2026
Klein Michael Stuart4105.7%12.0%Sep 11, 2025
New Enterprise Associates 15, L.P.40011.7%17.2%Dec 4, 2024
ArrowMark Colorado Holdings LLC4003.9%15.3%Nov 14, 2024
ICS OPPORTUNITIES, LTD.arb4005.6%9.5%Nov 13, 2024
Neuberger Berman Group LLC4006.1%12.8%Oct 4, 2024
TIGER GLOBAL MANAGEMENT LLC4001.3%8.0%Aug 14, 2024
BAILLIE GIFFORD & CO4004.0%10.3%Aug 5, 2024
SANDERS MORRIS HARRIS LLC40011.3%20.9%Jul 2, 2024
Southpoint Capital Advisors LP4000.0%4.9%Apr 8, 2024
B. Riley Financial, Inc.4002.1%7.8%Mar 26, 2024
CORSAIR CAPITAL MANAGEMENT, L.P.4001.3%3.6%Feb 14, 2024
Electron Capital Partners, LLC4005.6%8.7%Feb 14, 2024
Roth Byron4008.1%25.3%Feb 14, 2024
CAAS CAPITAL MANAGEMENT LP4013.6%3.6%Feb 13, 2024
BML Investment Partners, L.P.4004.2%7.8%Feb 7, 2024
FRANKLIN RESOURCES INC4006.4%13.5%Feb 6, 2024
SABBY MANAGEMENT, LLC400Jan 3, 2024
Sylebra Capital Ltd40017.9%34.8%Nov 13, 2023
PUBLIC SECTOR PENSION INVESTMENT BOARD4000.9%3.4%Aug 10, 2023
RPO LLC4000.0%0.0%Apr 20, 2023
Senator Investment Group LP4000.0%5.5%Apr 4, 2023
Apollo Principal Holdings III GP Ltd40024.8%38.0%Feb 14, 2023
Alpine Global Management, LLC4000.0%0.1%Jan 17, 2023
NAYA CAPITAL MANAGEMENT UK LTD4008.4%12.1%Oct 11, 2022
Ratan Capital Management LP4001.6%7.1%Feb 14, 2022
FinTech Masala Holdings, LLC40026.8%26.9%Feb 4, 2022
GREAT POINT PARTNERS LLC3226.7%7.6%Aug 14, 2026
Affinity Asset Advisors, LLC3226.0%7.0%Aug 13, 2026
HITE Hedge Asset Management LLC3115.5%6.7%Aug 13, 2026
Ghisallo Capital Management LLC3125.3%10.5%Aug 10, 2026
SONA ASSET MANAGEMENT (US) LLC3325.7%7.0%May 15, 2026
RedOne Investment Ltd30133.2%57.0%May 7, 2025
Guardians of New Zealand Superannuation3008.5%16.9%Dec 11, 2024
PALLOTTA JAMES J3006.2%7.2%Dec 4, 2024
AWM Investment Company, Inc.3006.7%6.7%Nov 14, 2024
Blue Owl Capital Holdings LP3007.3%8.4%Nov 14, 2024
Divisadero Street Capital Management, LP3003.3%7.8%Nov 14, 2024
Phoenix Holdings Ltd.3005.5%7.9%Nov 14, 2024
Schonfeld Strategic Advisors LLCarb3003.3%5.3%Nov 14, 2024
Greenhaven Road Investment Management, L.P.3005.4%9.9%Nov 13, 2024
Carlyle Group Inc.3007.1%10.9%Nov 12, 2024
Nikko Asset Management Americas, Inc.3005.3%7.0%Nov 8, 2024
Sumitomo Mitsui Trust Holdings, Inc.3005.3%7.0%Nov 5, 2024
Otsuka Masaya3000.0%0.0%Oct 22, 2024
SC US (TTGP), LTD.3003.9%4.7%Oct 21, 2024
Bulldog Investors, LLParb3005.6%22.2%Oct 15, 2024
ROTHBERG JONATHAN M30045.6%90.0%Sep 17, 2024
Data Collective IV, L.P.3007.5%8.0%May 20, 2024
Deep Track Capital, LP3003.8%9.3%Apr 22, 2024
LENNAR CORP /NEW/30012.8%24.8%Apr 1, 2024
Hood River Capital Management LLC3000.8%1.7%Mar 1, 2024
AMERIPRISE FINANCIAL INC30010.1%10.3%Feb 27, 2024
Bleichroeder LP3005.3%15.9%Feb 14, 2024
Cubist Systematic Strategies, LLC3000.0%4.9%Feb 14, 2024
EMINENCE CAPITAL, LP3000.0%9.3%Feb 14, 2024
Lux Venture Partners III, LLC30010.4%14.8%Feb 14, 2024
Portolan Capital Management, LLC3002.1%3.2%Feb 14, 2024
SUSQUEHANNA SECURITIES, LLC3001.6%17.9%Feb 14, 2024
TANG CAPITAL PARTNERS LP3004.9%10.0%Feb 14, 2024
PACIFIC INVESTMENT MANAGEMENT CO LLC3004.7%12.9%Feb 13, 2024
TPG GP A, LLC30030.0%100.0%Feb 13, 2024
Blackstone Holdings II L.P.3003.4%37.8%Jan 8, 2024
ARES MANAGEMENT LLC30012.2%24.6%Aug 4, 2023
Blackstone Holdings III L.P.30010.7%21.8%Jun 15, 2023
TEACHER RETIREMENT SYSTEM OF TEXAS3000.0%0.0%Mar 13, 2023
HealthCor Management, L.P.3000.0%4.0%Feb 14, 2023
PointState Capital LP3000.0%6.2%Feb 14, 2023
VIKING GLOBAL INVESTORS LP3000.0%0.0%Feb 14, 2023
Rubric Capital Management LP3001.8%2.4%Feb 10, 2023
MASSACHUSETTS FINANCIAL SERVICES CO /MA/3000.0%0.0%Feb 8, 2023
GAMCO INVESTORS, INC. ET AL3000.0%1.1%Dec 29, 2022
Oliveira Steven Michael3003.3%8.1%May 9, 2022
SPX Equities Gestao de Recursos Ltda300Mar 4, 2022
RIVERVIEW GROUP, LLCarb3000.6%3.4%Feb 14, 2022
Woodson Capital Management, LP3006.3%6.5%Feb 14, 2022
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC3002.2%4.2%Feb 10, 2022
HAYMAN CAPITAL MANAGEMENT, L.P.3000.0%0.0%Jan 19, 2022
Triple8, LLC3006.7%8.8%Jul 28, 2021

What is missing from this table

296 cover-page rows across 122 names carry no EDGAR filer CIK — the submission header they would be resolved from has not been read, or could not be. They get no page and are not counted above. They are not folded into a similarly-spelled filer either: merging two entities because their names look alike is how six SPACs once came to be published under the name of the company that ate them.

The arb mark is a curated judgement about a manager, taken from a roster in this codebase — no filing states it. An unmarked filer is unknown, not “not an arb”, so any figure built on that mark is a lower bound.

A joint schedule names several reporting persons — the management company, its funds, the general partner, the individual who controls them — and they all report the same shares. They are one filer here, under one CIK, and their names are listed on that filer’s page. Percentages from different years are percentages of different floats and never add: a SPAC’s share count collapses at every redemption.