Who Owns SIEBERT FINL CORP (SIEB)? -- Institutional Holders (2026-06-30)

62 institutions reported holding $3.9M of SIEBERT FINL CORP (SIEB) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($1.1M), CANTOR FITZGERALD, L. P. ($851,253), GEODE CAPITAL MANAGEMENT, LLC ($419,165), Cetera Investment Advisers ($242,534), MILLENNIUM MANAGEMENT LLC ($200,033). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	VANGUARD GROUP INC	$1.1M	666,793	Trimmed
2	CANTOR FITZGERALD, L. P.	$851,253	515,911	New
3	GEODE CAPITAL MANAGEMENT, LLC	$419,165	253,888	Trimmed
4	Cetera Investment Advisers	$242,534	146,990	Added
5	MILLENNIUM MANAGEMENT LLC	$200,033	121,232	New
6	BlackRock, Inc.	$168,210	101,946	Trimmed
7	GOLDMAN SACHS GROUP INC	$92,661	56,158	Added
8	JANE STREET GROUP, LLC	$92,023	55,771	New
9	STATE STREET CORP	$83,573	50,650	Trimmed
10	CITADEL ADVISORS LLC	$80,695	48,906	Added
11	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$79,708	48,308	Added
12	NORTHERN TRUST CORP	$69,815	42,312	Trimmed
13	BRIDGEWAY CAPITAL MANAGEMENT, LLC	$58,257	35,307	Trimmed
14	DIMENSIONAL FUND ADVISORS LP	$43,545	26,299	Trimmed
15	AQR CAPITAL MANAGEMENT LLC	$41,701	25,273	New
16	UBS Group AG	$36,788	22,296	Trimmed
17	MORGAN STANLEY	$36,439	22,084	Added
18	Williams & Novak, LLC	$36,135	21,900	Added
19	Qube Research & Technologies Ltd	$35,170	21,315	New
20	RENAISSANCE TECHNOLOGIES LLC	$34,650	21,000	Trimmed
21	XTX Topco Ltd	$29,337	17,780	New
22	AMERICAN CENTURY COMPANIES INC	$19,049	11,545	Trimmed
23	Point72 Asset Management, L.P.	$18,807	11,398	New
24	Russell Investments Group, Ltd.	$14,617	8,859	Added
25	OSAIC HOLDINGS, INC.	$13,414	8,130	Trimmed

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