Who owns JACSWhat JACS owns — n/a

Who owns Jackson Acquisition Co II?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of JACS from SEC Form 13F filings across 45 reporting managers. All positions are from one synchronized reporting period — 2026-03-31 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-03-31 reporting period, 45 institutions disclosed 21.5M shares of Jackson Acquisition Co II worth $218.8M; the largest disclosed holder is Hudson Bay Capital Management LP. Source: SEC Form 13F filings, parsed by EvidInvest.

13F holders

$218.8M

value, 2026 filers

21.5M

shares disclosed

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-03-31 · % of fund = share of the manager's own book · % of co. = share of JACS's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	Hudson Bay Capital Management LP	1.5M	$16.1M	0.1%	—	—
2	METEORA CAPITAL, LLC	1.2M	$12.9M	1.0%	—	—
3	GLAZER CAPITAL, LLC	1.2M	$12.7M	0.3%	—	—
4	Westchester Capital Management, LLC	1.2M	$12.6M	0.6%	—	—
5	AQR Arbitrage LLC	1.2M	$12.3M	0.2%	—	—
6	LINDEN ADVISORS LP	1.1M	$12.2M	0.1%	—	—
7	D. E. Shaw & Co., Inc.	1.1M	$12.1M	0.0%	—	—
8	WOLVERINE ASSET MANAGEMENT LLC	1.1M	$11.1M	0.1%	—	—
9	Polar Asset Management Partners Inc.	1.0M	$10.8M	0.2%	—	—
10	HEIGHTS CAPITAL MANAGEMENT, INC	700,000	$7.4M	2.1%	—	—
11	Radcliffe Capital Management, L.P.	675,001	$7.1M	0.5%	—	—
12	Mint Tower Capital Management B.V.	650,000	$6.9M	0.6%	—	—
13	TENOR CAPITAL MANAGEMENT Co., L.P.	600,000	$6.4M	0.1%	—	—
14	Magnetar Financial LLC	600,000	$6.3M	0.1%	—	—
15	First Trust Capital Management L.P.	562,500	$6.0M	0.3%	—	—
16	TWO SIGMA INVESTMENTS, LP	474,821	$5.0M	0.0%	—	—
17	LMR Partners LLP	443,751	$4.7M	0.0%	—	—
18	BERKLEY W R CORP	430,362	$4.6M	0.2%	—	—
19	Bulldog Investors, LLP	408,760	$4.3M	1.0%	—	—
20	TORONTO DOMINION BANK	400,000	$4.2M	0.0%	—	—
21	PICTON MAHONEY ASSET MANAGEMENT	400,000	$4.2M	0.0%	—	—
22	Schechter Investment Advisors, LLC	412,343	$4.1M	0.3%	—	—
23	Verition Fund Management LLC	374,737	$4.0M	0.0%	—	—
24	GOLDMAN SACHS GROUP INC	360,208	$3.8M	0.0%	—	—
25	RIVERNORTH CAPITAL MANAGEMENT, LLC	359,513	$3.8M	0.2%	—	—

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.