Who Owns Blackrock Institutional Trust Company N.a. (RING)? -- Institutional Holders (2026-06-30)

272 institutions reported holding $908.6M of Blackrock Institutional Trust Company N.a. (RING) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($121.1M), IMC-Chicago, LLC ($88.9M), MANUFACTURERS LIFE INSURANCE COMPANY, THE ($77.9M), BlackRock, Inc. ($65.9M), Municipal Employees' Retirement System of Michigan ($50.2M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	GROUP ONE TRADING LLC	$121.1M	1.2M	Added
2	IMC-Chicago, LLC	$88.9M	866,600	Trimmed
3	MANUFACTURERS LIFE INSURANCE COMPANY, THE	$77.9M	1.2M	New
4	BlackRock, Inc.	$65.9M	1.0M	Trimmed
5	Municipal Employees' Retirement System of Michigan	$50.2M	776,753	Hold
6	SIMPLEX TRADING, LLC	$41.2M	429,551	Added
7	MORGAN STANLEY	$40.2M	622,009	Added
8	LPL Financial LLC	$25.6M	396,550	Trimmed
9	HighTower Advisors, LLC	$19.2M	297,444	Trimmed
10	BANK OF AMERICA CORP /DE/	$16.7M	258,909	Added
11	WELLS FARGO & COMPANY/MN	$16.5M	254,675	Trimmed
12	OLD MISSION CAPITAL LLC	$15.8M	244,498	Added
13	HRT FINANCIAL LP	$14.7M	135,000	Added
14	Proficio Capital Partners LLC	$14.5M	225,185	Added
15	D. E. Shaw & Co., Inc.	$13.3M	205,956	Added
16	BANK OF MONTREAL /CAN/	$12.6M	195,411	Added
17	SYON CAPITAL LLC	$12.1M	187,958	Added
18	Quadrature Capital Ltd	$11.4M	175,806	New
19	180 WEALTH ADVISORS, LLC	$10.6M	164,821	Trimmed
20	RAYMOND JAMES FINANCIAL INC	$10.3M	159,709	Added
21	Marathon Trading Investment Management LLC	$9.3M	100,000	New
22	SeaBridge Investment Advisors LLC	$8.5M	132,121	Added
23	ASSETMARK, INC	$8.5M	131,246	Added
24	FLAGSHIP HARBOR ADVISORS, LLC	$7.3M	113,406	Added
25	Royal Bank of Canada	$6.1M	95,089	Trimmed

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