Who Owns TSS INC DEL (TSSI)? -- Institutional Holders (2026-06-30)

147 institutions reported holding $190.1M of TSS INC DEL (TSSI) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($28.6M), JANE STREET GROUP, LLC ($17.3M), VANGUARD GROUP INC ($16.1M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($12.3M), SILVERCREST ASSET MANAGEMENT GROUP LLC ($8.4M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	BlackRock, Inc.	$28.6M	2.3M	Added
2	JANE STREET GROUP, LLC	$17.3M	1.4M	Added
3	VANGUARD GROUP INC	$16.1M	1.3M	Added
4	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$12.3M	999,900	Added
5	SILVERCREST ASSET MANAGEMENT GROUP LLC	$8.4M	681,700	Added
6	GEODE CAPITAL MANAGEMENT, LLC	$7.7M	626,884	Added
7	CITADEL ADVISORS LLC	$7.3M	593,013	Added
8	D. E. Shaw & Co., Inc.	$6.7M	542,913	Added
9	Driehaus Capital Management LLC	$6.6M	536,314	New
10	LPL Financial LLC	$6.0M	486,260	Added
11	STATE STREET CORP	$6.0M	484,262	Added
12	GOLDMAN SACHS GROUP INC	$4.6M	371,792	Added
13	ALGERT GLOBAL LLC	$4.2M	342,405	Added
14	UBS Group AG	$3.6M	293,872	Trimmed
15	IMC-Chicago, LLC	$3.6M	292,354	Added
16	Value Aligned Research Advisors, LLC	$3.2M	261,498	Trimmed
17	WELLS FARGO & COMPANY/MN	$2.7M	222,931	Added
18	MILLENNIUM MANAGEMENT LLC	$2.7M	220,744	Trimmed
19	NORTHERN TRUST CORP	$2.4M	193,623	Added
20	AQR CAPITAL MANAGEMENT LLC	$2.2M	177,912	Added
21	Jump Financial, LLC	$2.2M	175,800	New
22	GROUP ONE TRADING LLC	$2.0M	162,400	Added
23	Alyeska Investment Group, L.P.	$1.9M	155,594	New
24	RENAISSANCE TECHNOLOGIES LLC	$1.7M	138,291	Added
25	RAYMOND JAMES FINANCIAL INC	$1.6M	129,364	New

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