Who Owns Jackson Acquisition Company II (JACS)?Hedge Fund & Institutional Holders

$10.51-0.01 (-0.10%)Financial ServicesNYSE

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$1.5371150001267813e+184T

% of Float Held

5.017035707707407e+300%

QoQ Change in Holders

+10 / -3

Price History

$9.95$10.09$10.23$10.38$10.52Jan 25Jul 25Mar 26

JACS — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
WOLVERINE ASSET MANAGEMENT LLCNew Position+984K+$10.2M
Calamos Advisors LLCNew Position+500K+$6.5M
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)New Position+100K+$1.0M
DELTEC ASSET MANAGEMENT LLCNew Position+40K+$416K
ABC ARBITRAGE SANew Position+15K+$156K
DLD Asset Management, LPNew Position+82K+$20K
GRITSTONE ASSET MANAGEMENT LLCNew Position+39K+$9K
BNP PARIBAS FINANCIAL MARKETSNew Position+360K+$0
Crossingbridge Advisors, LLCNew Position+17+$0
MIZUHO SECURITIES USA LLCNew Position+121K+$0
Sculptor Capital LPIncreased+150K+$-3.1M
StoneX Group Inc.Increased+2K+$-10.9M
Harraden Circle Investments, LLCIncreased+94K+$-816.0M
TORONTO DOMINION BANKIncreased+453K+$-1.6B
Shaolin Capital Management LLCIncreased+294K+$-1.7B

JACS — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
HGC Investment Management Inc.Decreased-150K-$16.7B
METEORA CAPITAL, LLCDecreased-858K-$15.2B
HEIGHTS CAPITAL MANAGEMENT, INCDecreased-1.4M-$14.9B
AQR Arbitrage LLCDecreased-360K-$13.0B
Bulldog Investors, LLPDecreased-4K-$4.3B
RIVERNORTH CAPITAL MANAGEMENT, LLCDecreased-231-$4.2B
Verition Fund Management LLCDecreased-10K-$1.7B
BCK CAPITAL MANAGEMENT LPClosed Position-103K-$1.1B
CANTOR FITZGERALD, L. P.Closed Position-88K-$909.6M
Parallax Volatility Advisers, L.P.Closed Position-50K-$13.0M
GLAZER CAPITAL, LLCDecreased-34K-$202K

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1HGC Investment Management Inc.1,475,200$15.4M3.26%Share
2Hudson Bay Capital Management LP1,488,300$15.0M0.05%Share
3AQR Arbitrage LLC1,216,792$12.7M0.27%Share
4GLAZER CAPITAL, LLC1,205,757$12.6M0.33%Share
5LINDEN ADVISORS LP1,150,000$12.0M0.07%Share
6Westchester Capital Management, LLC1,117,827$11.6M0.49%Share
7D. E. Shaw & Co., Inc.1,138,500$11.0M0.01%Share
8WOLVERINE ASSET MANAGEMENT LLC983,614$10.2M0.08%Share
9Polar Asset Management Partners Inc.1,025,000$10.0M0.13%Share
10METEORA CAPITAL, LLC770,492$8.0M0.67%Share
11HEIGHTS CAPITAL MANAGEMENT, INC700,000$7.3M2.62%Share
12Radcliffe Capital Management, L.P.662,430$6.9M0.38%Share
13Mint Tower Capital Management B.V.650,000$6.8M0.78%Share
14Calamos Advisors LLC500,000$6.5M0.02%Share
15Magnetar Financial LLC600,000$6.3M0.06%Share
16TENOR CAPITAL MANAGEMENT Co., L.P.600,000$6.3M0.09%Share
17TORONTO DOMINION BANK602,500$6.0M0.01%Share
18First Trust Capital Management L.P.567,500$5.9M0.36%Share
19COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS500,000$5.0M0.03%Share
20PERISCOPE CAPITAL INC.479,098$5.0M0.57%Share
21Bulldog Investors, LLP410,138$4.3M0.95%Share
22Wealthspring Capital LLC400,333$4.2M0.98%Share
23Shaolin Capital Management LLC400,000$4.2M0.13%Share
24RIVERNORTH CAPITAL MANAGEMENT, LLC399,513$4.2M0.20%Share
25LMR Partners LLP443,751$4.0M0.01%Share
26PICTON MAHONEY ASSET MANAGEMENT400,000$4.0M0.03%Share
27TWO SIGMA INVESTMENTS, LP474,821$4.0M0.01%Share
28BERKLEY W R CORP346,265$3.6M0.17%Share
29GOLDMAN SACHS GROUP INC360,208$3.0M0.00%Share
30GABELLI & Co INVESTMENT ADVISERS, INC.220,100$2.3M0.34%Share
31WHITEBOX ADVISORS LLC175,000$1.8M0.03%Share
32Yakira Capital Management, Inc.150,000$1.6M0.53%Share
33OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)100,000$1.0M0.12%Share
34Verition Fund Management LLC139,824$1.0M0.00%Share
35GABELLI FUNDS LLC154,900$1.0M0.01%Share
36Harraden Circle Investments, LLC3,118,861$779K0.14%Share
37Westchester Capital Management, LLC66,368$691K0.03%Share
38READYSTATE ASSET MANAGEMENT LP50,000$521K0.02%Share
39DELTEC ASSET MANAGEMENT LLC40,000$416K0.07%Share
40HGC Investment Management Inc.1,425,700$356K0.08%Share
41LINDEN ADVISORS LP1,300,000$351K0.00%Share
42Schonfeld Strategic Advisors LLC29,982$312K0.00%Share
43AQR Arbitrage LLC1,239,792$309K0.01%Share
44Westchester Capital Management, LLC808,145$193K0.01%Share
45METEORA CAPITAL, LLC643,688$193K0.02%Share
46Shaolin Capital Management LLC744,332$186K0.01%Share
47HEIGHTS CAPITAL MANAGEMENT, INC700,000$175K0.06%Share
48Mint Tower Capital Management B.V.650,000$163K0.02%Share
49Magnetar Financial LLC600,000$162K0.00%Share
50ABC ARBITRAGE SA15,000$156K0.01%Share

JACS Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202554$230.4M+7
Q3 202547$205.5B+1
Q2 202546$200.5B-1
Q1 202547$200.5B+6
Q4 202441$178.3B+40
Q3 20241$0+0
Q2 20241$0+0
Q1 20241$0—

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As of Q4 2025, 50 institutional investors hold JACS (Jackson Acquisition Company II). The largest holder is HGC Investment Management Inc. with $15.4M in shares. This quarter, 10 institutions opened new positions and 3 closed their positions.

Frequently Asked Questions

How many hedge funds own JACS?

As of Q4 2025, 50 institutional investors report holding JACS (Jackson Acquisition Company II) in their 13F filings.

Who is the largest institutional holder of JACS?

The largest institutional holder of JACS is HGC Investment Management Inc. with $15.4M in shares.

Is institutional ownership of JACS increasing or decreasing?

This quarter, 10 institutions opened new positions in JACS and 3 closed their positions.