KEYY — Keystone Acquisition Corp Institutional Holders · Q2 2026

Name: Who Owns KEYY? 26 Institutions Hold $143M (Q2 2026)
Creator: ko.io

Who owns Keystone Acquisition Corp (KEYY)? 26 institutions reported holding $143.31M in SEC 13F filings for Q2 2026 (period ended 2026-06-30). Largest holders: Glazer Capital, LLC ($14.2M), Linden Advisors LP ($12.8M), Meteora Capital, LLC ($11.0M).

Rank	Institution	Value	Shares	Change
1	GLAZER CAPITAL, LLC	$14.2M	1.4M	New
2	Linden Advisors LP	$12.8M	1.3M	New
3	METEORA CAPITAL, LLC	$11.0M	1.1M	New
4	Polar Asset Management Partners Inc.	$10.8M	1.1M	New
5	TORONTO DOMINION BANK	$10.6M	1.1M	New
6	SONA ASSET MANAGEMENT (US) LLC	$8.9M	900,000	New
7	TENOR CAPITAL MANAGEMENT Co., L.P.	$7.4M	750,000	New
8	First Trust Capital Management L.P.	$7.4M	749,998	New
9	Verition Fund Management LLC	$6.5M	664,259	New
10	Hudson Bay Capital Management LP	$5.9M	600,000	New
11	BOOTHBAY FUND MANAGEMENT, LLC	$5.1M	513,535	New
12	Periscope Capital Inc.	$4.9M	499,800	New
13	TWO SIGMA INVESTMENTS, LP	$4.5M	453,124	New
14	CSS LLC/IL	$4.5M	451,508	New
15	Shaolin Capital Management LLC	$4.4M	448,734	New
16	Centiva Capital, LP	$4.2M	425,000	New
17	Clear Street Group Inc.	$3.0M	302,829	New
18	Saba Capital Management, L.P.	$3.0M	299,995	New
19	K2 PRINCIPAL FUND, L.P.	$2.9M	293,023	New
20	O'Connor Alternative Investments LLC	$2.5M	250,000	New
21	WOLVERINE ASSET MANAGEMENT LLC	$2.0M	200,900	New
22	Mint Tower Capital Management B.V.	$2.0M	200,000	New
23	StoneX Group Inc.	$1.9M	193,290	New
24	Governors Lane LP	$1.8M	181,383	New
25	BERKLEY W R CORP	$980,084	99,400	New

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