Who Owns EROCK INC (EROC)? -- Institutional Holders (2026-06-30)

86 institutions reported holding $497.6M of EROCK INC (EROC) in SEC 13F filings for 2026-06-30. Largest institutional holders: PRICE T ROWE ASSOCIATES INC /MD/ ($33.0M), VANGUARD GROUP INC ($32.1M), Balyasny Asset Management L.P. ($30.4M), Cinctive Capital Management LP ($28.2M), Encompass Capital Advisors LLC ($27.6M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	PRICE T ROWE ASSOCIATES INC /MD/	$33.0M	2.3M	New
2	VANGUARD GROUP INC	$32.1M	2.2M	New
3	Balyasny Asset Management L.P.	$30.4M	2.1M	New
4	Cinctive Capital Management LP	$28.2M	1.9M	New
5	Encompass Capital Advisors LLC	$27.6M	1.9M	New
6	Zimmer Partners, LP	$27.4M	1.9M	New
7	AMERIPRISE FINANCIAL INC	$26.5M	1.8M	New
8	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	$25.8M	1.8M	New
9	ALLIANCEBERNSTEIN L.P.	$24.7M	1.7M	New
10	CITADEL ADVISORS LLC	$21.8M	1.5M	New
11	Value Aligned Research Advisors, LLC	$19.5M	1.3M	New
12	Alyeska Investment Group, L.P.	$18.5M	1.3M	New
13	Pictet Asset Management Holding SA	$15.3M	1.1M	New
14	CIBC Bancorp USA Inc.	$14.5M	1.0M	New
15	SEVEN GRAND MANAGERS, LLC	$7.2M	500,000	New
16	WELLINGTON MANAGEMENT GROUP LLP	$7.2M	498,508	New
17	REAVES W H & CO INC	$6.3M	435,000	New
18	FRANKLIN RESOURCES INC	$6.3M	434,932	New
19	JANE STREET GROUP, LLC	$6.0M	416,431	New
20	UBS Group AG	$5.9M	404,566	New
21	Ghisallo Capital Management LLC	$5.8M	400,000	New
22	SOROS FUND MANAGEMENT LLC	$5.5M	376,206	New
23	Burkehill Global Management, LP	$5.4M	375,000	New
24	ADAGE CAPITAL PARTNERS GP, L.L.C.	$5.4M	369,484	New
25	EAGLE GLOBAL ADVISORS LLC	$5.3M	365,000	New

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