GPATW — Gp-Act III Acquisition Corp Institutional Holders · Q2 2026

Name: Who Owns GPATW? 34 Institutions Hold $2.54M (Q2 2026)
Creator: ko.io

Who owns Gp-Act III Acquisition Corp (GPATW)? 34 institutions reported holding $2.54M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Harraden Circle Investments, LLC ($288,940), Polar Asset Management Partners Inc. ($235,125), Healthcare Of Ontario Pension Plan Trust Fund ($207,188).

Rank	Institution	Value	Shares	Change
1	Harraden Circle Investments, LLC	$288,940	1.5M	Hold
2	Polar Asset Management Partners Inc.	$235,125	1.2M	Hold
3	HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	$207,188	937,500	Hold
4	PICTON MAHONEY ASSET MANAGEMENT	$207,188	937,500	Hold
5	MMCAP International Inc. SPC	$197,125	1.0M	Hold
6	Alberta Investment Management Corp	$154,375	812,500	Hold
7	Wealthspring Capital LLC	$144,260	759,264	Trimmed
8	LMR Partners LLP	$116,375	612,500	Hold
9	Lineage Point Capital LP	$109,341	575,477	Added
10	TORONTO DOMINION BANK	$91,547	481,824	Added
11	AQR Arbitrage LLC	$87,203	458,963	Added
12	Linden Advisors LP	$86,496	360,400	Hold
13	CSS LLC/IL	$83,918	441,672	Hold
14	ARISTEIA CAPITAL, L.L.C.	$58,890	245,375	Hold
15	Shaolin Capital Management LLC	$55,984	294,650	Trimmed
16	Lepercq De Neuflize Asset Management LLC	$47,500	250,000	Added
17	Saba Capital Management, L.P.	$46,375	193,229	Hold
18	RIVERNORTH CAPITAL MANAGEMENT, LLC	$43,856	225,599	Hold
19	Verition Fund Management LLC	$42,826	225,400	Hold
20	Periscope Capital Inc.	$42,140	210,700	Hold
21	GRITSTONE ASSET MANAGEMENT LLC	$41,277	217,248	Hold
22	METEORA CAPITAL, LLC	$38,000	200,000	Trimmed
23	Clear Street Group Inc.	$37,771	198,794	Hold
24	L1 Global Manager Pty Ltd	$20,962	110,325	New
25	MOORE CAPITAL MANAGEMENT, LP	$19,000	100,000	Hold

Source: SEC Form 13F filings · as of 2026-06-30