Security Snapshot

Oceanhawk Acquisition Corp. - Class A Ordinary Shares, par value $0.0001 per share (OHAC) Institutional Ownership

CUSIP: G6722R107

13F Institutional Holders and Ownership History for Q2 2026

Latest Period

Q2 2026

Institutions Reporting

9

Shares (Excl. Options)

2,293,035

Price

$9.90

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+1,875,615
Value change
+$18,545,076
Number of holders
9
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
18,987,342
SEC-reported price per share
$9.90
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • OHAC - Oceanhawk Acquisition Corp. - Class A Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G6722R107.
  • 9 institutions reported positions in Q2 2026.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Latest quarter on this page is Q2 2026.
  • Additional quarter-over-quarter change detail appears as history expands.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 9 institutions filings for Q2 2026.

Open SEC evidence

Security key

G6722R107

Latest holder period

Q2 2026

13F holders

9

13D/G owners

5

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
5
Security
OHAC
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
HIGHBRIDGE CAPITAL MANAGEMENT LLC 7.9% $14,850,000 1,500,000 Highbridge Capital Management, LLC 30 Jun 2026
GOLDMAN SACHS GROUP INC 7.8% $14,643,951 1,479,187 THE GOLDMAN SACHS GROUP, INC. 30 Jun 2026
Adage Capital Management, L.P. 5.7% $10,642,500 1,075,000 Adage Capital Management, L.P. 30 Jun 2026
Magnetar Financial LLC 5.2% $9,764,568 986,320 MAGNETAR FINANCIAL LLC 30 Jun 2026
Polar Asset Management Partners Inc. 5% $9,405,000 950,000 Polar Asset Management Partners Inc. 30 Jun 2026

As of 30 Jun 2026, 9 institutional investors reported holding 2,293,035 shares of Oceanhawk Acquisition Corp. - Class A Ordinary Shares, par value $0.0001 per share (OHAC). This represents 12% of the company’s total 18,987,342 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
70%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
HIGHBRIDGE CAPITAL MANAGEMENT LLC 7.9% 1,500,000 0.51% $14,850,000
ADAGE CAPITAL PARTNERS GP, L.L.C. 5.7% 1,075,000 0.01% $10,642,500
CSS LLC/IL 5.5% 1,038,610 0.46% $10,282,239
Polar Asset Management Partners Inc. 5% 950,000 0.17% $9,405,000
SONA ASSET MANAGEMENT (US) LLC 4.5% 850,000 0.31% $8,415,000
ARISTEIA CAPITAL, L.L.C. 3.9% 750,000 0.12% $7,425,000
WOLVERINE ASSET MANAGEMENT LLC 3.6% 675,705 0.09% $6,689,480
Karpus Management, Inc. 3.5% 672,300 0.19% $6,655,770
Hudson Bay Capital Management LP 3.3% 625,000 0.03% $6,187,500
TORONTO DOMINION BANK 3% 578,804 0.01% $5,730,160
Shaolin Capital Management LLC 2.6% 502,575 0.46% $4,975,493
AQR Arbitrage LLC 2.5% 482,580 0.07% $4,777,542
BERKLEY W R CORP 2.5% 472,530 0.24% $4,678,047
BNP PARIBAS FINANCIAL MARKETS 2.2% 417,420 0% 0% $4,132,458
Parallax Volatility Advisers, L.P. 2.1% 401,248 0.16% $3,972,355
StoneX Group Inc. 2.1% 396,947 0.16% $3,929,775
WHITEBOX ADVISORS LLC 1.7% 325,000 0.05% $3,217,500
TWO SIGMA INVESTMENTS, LP 1.5% 290,000 0% $2,871,000
K2 PRINCIPAL FUND, L.P. 1.1% 200,000 0.24% $1,980,000
Crossingbridge Advisors, LLC 1.1% 200,000 0.35% $1,980,000
Clear Street Group Inc. 1% 191,230 0.01% $1,893,177
BOOTHBAY FUND MANAGEMENT, LLC 0.92% 175,002 0.03% $1,732,520
Periscope Capital Inc. 0.92% 175,000 0.28% $1,732,500
MIZUHO SECURITIES USA LLC 0.83% 156,753 0.02% $1,528,342
DLD Asset Management, LP 0.79% 150,000 0.12% $1,485,000

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
1
Latest
Q2 2026
Rows shown
1-1 of 1
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 2,293,035 $22,677,534 +$18,545,076 $9.90 9
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