Jackson Acquisition JACS Institutional Ownership

NYSE JACS

$10.83 +0.00 (+0.00%)

At close: Sep 30, 2026 · 4:00 PM EDT

Institutions by Trading Activity

47 Institutions

Increased 10 21.3%

Unchanged 28 59.6%

Reduced 9 19.1%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

37.01%

▼-0.36 pp QoQ

Shares Held by Institutions

21.90Mn

of 59.18Mn outstanding

▲+1.22% QoQ

Shares Outstanding

59.18Mn

37.28Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

■0 vs prior quarter

Net Shares Added (QoQ)

+263.58K

accumulated since last quarter

Value of Holdings

$237.22Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Jackson Acquisition Co II (NYSE:JACS) has 47 institutional investors with active 13F positions as of June 2026.

Collectively, these holders controlled 37.0% of Jackson Acquisition's outstanding shares in June 2026, down from 37.4% in March 2026.
They increased total shares held in JACS by 1.22% quarter over quarter, and investors in Jackson Acquisition increased 9.3% from a year ago.
Of these 47 holders, 10 added to their stakes in Jackson Acquisition, 9 trimmed positions, and 28 made no changes.
Combined, these investors held 21.9Mn shares in JACS for June 2026, up by 263.58K shares quarter on quarter, and up 342.62K shares year over year.
Hudson Bay Capital Management LP holds the largest position in JACS at 1.52Mn shares as of June 30, 2026, or 2.57% of shares outstanding.
The largest buyers of Jackson Acquisition for the quarter ending June 2026 were HIGHBRIDGE CAPITAL MANAGEMENT LLC (745.84K), Berkley W R Corp (497.47K), PERISCOPE CAPITAL INC. (50.0K), StoneX Group Inc. (15.02K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (12.64K).
Top sellers of JACS stock for the quarter ending June 2026 included METEORA CAPITAL, LLC (691.63K), Bulldog Investors, LLP (216.73K), Shaolin Capital Management LLC (116.31K), GABELLI FUNDS LLC (25.0K), Crossingbridge Advisors, LLC (15.02K).
According to Business Quant data, leading holders of JACS for June 2026 are Hudson Bay Capital Management LP (1.52Mn), GLAZER CAPITAL, LLC (1.2Mn), Westchester Capital Management, LLC (1.19Mn), AQR Arbitrage LLC (1.17Mn), LINDEN ADVISORS LP (1.15Mn), D. E. Shaw & Co., Inc. (1.14Mn), WOLVERINE ASSET MANAGEMENT LLC (1.05Mn), Polar Asset Management Partners Inc. (1.02Mn), Berkley W R Corp (927.84K), HIGHBRIDGE CAPITAL MANAGEMENT LLC (867.66K).

Form 13F Holdings

47 Institutional Holders

Report period 30 Jun, 2026

Total shares held 21.90Mn

Of outstanding 37.01%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Hudson Bay Capital Management LP	0001393825	1,520,505	2.57%	0	0.00%	$16.18Mn
2	GLAZER CAPITAL, LLC	0001076809	1,196,182	2.02%	▲532	+0.04%	$12.73K
3	Westchester Capital Management, LLC	0001512805	1,186,200	2.00%	0	0.00%	$12.62Mn
4	AQR Arbitrage LLC	0001167456	1,167,626	1.97%	▲5,064	+0.44%	$12.42Mn
5	LINDEN ADVISORS LP	0001279396	1,150,000	1.94%	0	0.00%	$12.24Mn
6	D. E. Shaw & Co., Inc.	0001009207	1,138,500	1.92%	0	0.00%	$12.11Mn
7	WOLVERINE ASSET MANAGEMENT LLC	0001279891	1,048,131	1.77%	▼2,001	-0.19%	$11.15Mn
8	Polar Asset Management Partners Inc.	0001326389	1,025,000	1.73%	0	0.00%	$10.91Mn
9	Berkley W R Corp	0000011544	927,836	1.57%	▲497,474	+115.59%	$9.87Mn
10	HIGHBRIDGE CAPITAL MANAGEMENT LLC	0000919185	867,662	1.47%	▲745,838	+612.23%	$9.24Mn
11	MIZUHO SECURITIES USA LLC	0000812291	714,774	1.21%	0	0.00%	$7.49Mn
12	HEIGHTS CAPITAL MANAGEMENT, INC	0001081698	700,000	1.18%	0	0.00%	$7.45Mn
13	Radcliffe Capital Management, L.P.	0001218275	675,001	1.14%	0	0.00%	$7.18Mn
14	Mint Tower Capital Management B.V.	0001666606	650,000	1.10%	0	0.00%	$6.92K
15	TENOR CAPITAL MANAGEMENT Co., L.P.	0001346554	600,000	1.01%	0	0.00%	$6.38Mn
15	Magnetar Financial LLC	0001352851	600,000	1.01%	0	0.00%	$6.38Mn
16	First Trust Capital Management L.P.	0001604488	562,500	0.95%	0	0.00%	$5.99Mn
17	METEORA CAPITAL, LLC	0001905106	528,112	0.89%	▼691,632	-56.70%	$5.62Mn
18	TWO SIGMA INVESTMENTS, LP	0001179392	474,821	0.80%	0	0.00%	$5.05Mn
19	LMR Partners LLP	0001578621	443,751	0.75%	0	0.00%	$4.72Mn

Showing 1 to 20 of 47 holders