Who Owns AMPERCAP ACQUISITION CO (APMCU)? -- Institutional Holders (2026-06-30)

43 institutions reported holding $91.3M of AMPERCAP ACQUISITION CO (APMCU) in SEC 13F filings for 2026-06-30. Largest institutional holders: Magnetar Financial LLC ($12.0M), Wealthspring Capital LLC ($9.7M), GLAZER CAPITAL, LLC ($6.9M), AQR Arbitrage LLC ($6.5M), First Trust Capital Management L.P. ($6.3M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	Magnetar Financial LLC	$12.0M	1.2M	New
2	Wealthspring Capital LLC	$9.7M	963,290	New
3	GLAZER CAPITAL, LLC	$6.9M	690,000	New
4	AQR Arbitrage LLC	$6.5M	651,015	New
5	First Trust Capital Management L.P.	$6.3M	630,601	New
6	Shaolin Capital Management LLC	$4.1M	405,851	New
7	Clear Street Group Inc.	$4.0M	422,655	New
8	TUDOR INVESTMENT CORP ET AL	$3.2M	315,000	New
9	RIVERNORTH CAPITAL MANAGEMENT, LLC	$3.0M	300,000	New
10	LMR Partners LLP	$2.5M	250,000	New
11	BERKLEY W R CORP	$2.5M	247,605	New
12	CANTOR FITZGERALD, L. P.	$2.1M	211,449	New
13	WHITEBOX ADVISORS LLC	$2.0M	200,000	New
14	TORONTO DOMINION BANK	$2.0M	200,000	New
15	BNP PARIBAS FINANCIAL MARKETS	$2.0M	198,985	New
16	Periscope Capital Inc.	$1.8M	175,500	New
17	Linden Advisors LP	$1.8M	175,000	New
18	ARISTEIA CAPITAL, L.L.C.	$1.5M	150,000	New
19	Radcliffe Capital Management, L.P.	$1.5M	150,000	New
20	Yakira Capital Management, Inc.	$1.5M	150,000	New
21	Calamos Advisors LLC	$1.5M	150,000	New
22	MOORE CAPITAL MANAGEMENT, LP	$1.3M	130,000	New
23	Westchester Capital Management, LLC	$1.3M	130,000	New
24	Mint Tower Capital Management B.V.	$1.3M	125,000	New
25	GRITSTONE ASSET MANAGEMENT LLC	$1.3M	124,988	New

来源：SEC 13F 申报文件 · 截至 2026-06-30