Who Owns Oyster Enterprises II Acquisition Corp (OYSE)?Hedge Fund & Institutional Holders

$10.24+0.01 (+0.10%)Financial ServicesNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

2.7218327400537164e+298%

QoQ Change in Holders

+8 / -2

Price History

$9.96$10.03$10.10$10.17$10.24Jul 25Oct 25Mar 26

OYSE — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYSNew Position+400K+$4.0B
TORONTO DOMINION BANKIncreased+524K+$2.7B
WOLVERINE ASSET MANAGEMENT LLCNew Position+235K+$2.4B
Calamos Advisors LLCNew Position+123K+$1.3B
Radcliffe Capital Management, L.P.Increased+595K+$586.4M
HEIGHTS CAPITAL MANAGEMENT, INCNew Position+50K+$505.0M
Westchester Capital Management, LLCIncreased+850K+$300.0M
ABC ARBITRAGE SANew Position+25K+$252.0M
Harraden Circle Investments, LLCIncreased+522K+$109.8M
RIVERNORTH CAPITAL MANAGEMENT, LLCIncreased+100K+$38.8M
CSS LLC/ILIncreased+10K+$36.8M
DLD Asset Management, LPIncreased+106K+$29.8M
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)New Position+100K+$1.0M
L1 Global Manager Pty LtdNew Position+100K+$1.0M
GRITSTONE ASSET MANAGEMENT LLCNew Position+99K+$508K

OYSE — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
Hudson Bay Capital Management LPDecreased-195K-$7.1B
Karpus Management, Inc.Closed Position-620K-$6.2B
Verition Fund Management LLCDecreased-14K-$4.5B
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDDecreased-110K-$1.6B
METEORA CAPITAL, LLCDecreased-145K-$1.3B
Clear Street Group Inc.Decreased-37K-$914.2M
MANGROVE PARTNERS IM, LLCDecreased-450K-$586.4M
Shaolin Capital Management LLCDecreased-50K-$466.5M
CITADEL ADVISORS LLCDecreased-58-$135.5M
Parallax Volatility Advisers, L.P.Decreased-272K-$96.2M
UBS Group AGDecreased-300-$2.3M
PERISCOPE CAPITAL INC.Decreased-27K-$242K
HIGHBRIDGE CAPITAL MANAGEMENT LLCClosed Position-1K-$170K
GLAZER CAPITAL, LLCDecreased-69K-$-116K
AQR Arbitrage LLCDecreased-346K-$-96.2M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Magnetar Financial LLC1,300,000$13.1B128.77%Share
2Westchester Capital Management, LLC1,202,048$12.2B0.51%Share
3METEORA CAPITAL, LLC1,199,983$12.1B1.01%Share
4D. E. Shaw & Co., Inc.1,252,350$12.0B6.58%Share
5LINDEN ADVISORS LP1,150,000$11.6B71.57%Share
6AQR Arbitrage LLC1,138,688$11.5B0.24%Share
7TENOR CAPITAL MANAGEMENT Co., L.P.900,000$9.1B128.24%Share
8TWO SIGMA INVESTMENTS, LP797,500$8.0B11.28%Share
9Radcliffe Capital Management, L.P.623,741$6.3B0.34%Share
10MILLENNIUM MANAGEMENT LLC630,000$6.0B2.52%Share
11MOORE CAPITAL MANAGEMENT, LP500,000$5.1B72.76%Share
12RIVERNORTH CAPITAL MANAGEMENT, LLC497,500$5.0B0.24%Share
13BERKLEY W R CORP475,872$4.8B0.23%Share
14ARISTEIA CAPITAL, L.L.C.454,000$4.6B0.10%Share
15MANGROVE PARTNERS IM, LLC450,000$4.0B0.33%Share
16Alberta Investment Management Corp400,000$4.0B12.80%Share
17Polar Asset Management Partners Inc.400,000$4.0B50.75%Share
18COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS400,000$4.0B20.27%Share
19DAVIDSON KEMPNER CAPITAL MANAGEMENT LP400,000$4.0B63.53%Share
20GOLDMAN SACHS GROUP INC346,312$3.0B0.37%Share
21HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND340,000$3.0B5.02%Share
22WHITEBOX ADVISORS LLC250,000$2.5B35.86%Share
23WOLVERINE ASSET MANAGEMENT LLC235,070$2.4B18.73%Share
24Shaolin Capital Management LLC200,000$2.0B0.06%Share
25Clear Street Group Inc.200,008$2.0B7.43%Share
26GABELLI FUNDS LLC199,300$2.0B13.54%Share
27TORONTO DOMINION BANK202,000$2.0B2.95%Share
28First Trust Capital Management L.P.150,000$1.5B0.09%Share
29Calamos Advisors LLC123,093$1.3B4.80%Share
30DLD Asset Management, LP100,038$1.0B0.07%Share
31TORONTO DOMINION BANK125,000$1.0B1.48%Share
32MILLENNIUM MANAGEMENT LLC100,986$1.0B0.42%Share
33JPMORGAN CHASE & CO100,000$1.0B0.06%Share
34Westchester Capital Management, LLC86,841$877.0M0.04%Share
35683 Capital Management, LLC75,000$758.0M0.03%Share
36HEIGHTS CAPITAL MANAGEMENT, INC50,000$505.0M0.18%Share
37METEORA CAPITAL, LLC2,309,640$461.0M0.04%Share
38Magnetar Financial LLC1,300,000$260.0M2.55%Share
39ABC ARBITRAGE SA25,000$252.0M0.02%Share
40AQR Arbitrage LLC1,138,688$227.0M0.00%Share
41LINDEN ADVISORS LP1,000,000$190.0M1.17%Share
42TENOR CAPITAL MANAGEMENT Co., L.P.900,000$180.0M2.54%Share
43Westchester Capital Management, LLC795,446$159.0M0.01%Share
44Harraden Circle Investments, LLC705,326$141.0M0.03%Share
45CSS LLC/IL66,340$132.0M0.01%Share
46Radcliffe Capital Management, L.P.551,079$110.0M0.01%Share
47MOORE CAPITAL MANAGEMENT, LP500,000$100.0M1.44%Share
48Warberg Asset Management LLC10,000$100.0M0.01%Share
49RIVERNORTH CAPITAL MANAGEMENT, LLC499,872$99.0M0.00%Share
50ARISTEIA CAPITAL, L.L.C.454,000$90.0M0.00%Share

OYSE Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202572$172.2B+11
Q3 202561$203.8B+7
Q2 202554$183.1B—

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As of Q4 2025, 50 institutional investors hold OYSE (Oyster Enterprises II Acquisition Corp). The largest holder is Magnetar Financial LLC with $13.1B in shares. This quarter, 8 institutions opened new positions and 2 closed their positions.

Frequently Asked Questions

How many hedge funds own OYSE?

As of Q4 2025, 50 institutional investors report holding OYSE (Oyster Enterprises II Acquisition Corp) in their 13F filings.

Who is the largest institutional holder of OYSE?

The largest institutional holder of OYSE is Magnetar Financial LLC with $13.1B in shares.

Is institutional ownership of OYSE increasing or decreasing?

This quarter, 8 institutions opened new positions in OYSE and 2 closed their positions.