Siebert Financial SIEB Institutional Ownership

NASDAQ SIEB

$2.11 +0.08 (+3.94%)

At close: Aug 24, 2026 · 4:00 PM EDT

Institutions by Trading Activity

54 Institutions

Increased 25 46.3%

Unchanged 9 16.7%

Reduced 20 37.0%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

760.96%

▼-29.77 pp QoQ

Shares Held by Institutions

3.20Mn

of 420.00K outstanding

▲+31.87% QoQ

Shares Outstanding

420.00K

-2.78Mn held outside 13F filers

Institutional Investors

filed 13F for Mar 2026

▲+6 vs prior quarter

Net Shares Added (QoQ)

+772.45K

accumulated since last quarter

Value of Holdings

$6.52Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 31 Mar, 2026

Siebert Financial Corp (NASDAQ:SIEB) appears in 54 institutional 13F filings for the quarter ending March 2026.

These investors collectively held 761.0% of Siebert Financial's outstanding shares in March 2026, down from 790.7% in December 2025.
They increased total shares held in SIEB by 31.87% quarter over quarter, and investors in Siebert Financial increased 116.0% from a year ago.
Of these 54 holders, 25 added to their stakes in Siebert Financial, 20 trimmed positions, and 9 made no changes.
Combined, these investors held 3.2Mn shares in SIEB for March 2026, up by 772.45K shares quarter on quarter, and up 2.08Mn shares year over year.
BlackRock, Inc. holds the largest position in SIEB at 779.59K shares as of March 31, 2026, or 185.62% of shares outstanding.
The most significant purchases of SIEB for the quarter ending March 2026 came from VANGUARD CAPITAL MANAGEMENT LLC (550.62K), VANGUARD FIDUCIARY TRUST CO (112.9K), VANGUARD PORTFOLIO MANAGEMENT LLC (80.72K), UBS Group AG (73.3K), CITADEL ADVISORS LLC (27.34K).
The largest sellers of Siebert Financial for the quarter ending March 2026 were Goldman Sachs Group Inc (44.2K), DIMENSIONAL FUND ADVISORS LP (27.51K), Barclays Plc (19.16K), BlackRock, Inc. (11.51K), Wells Fargo & Company/Mn (10.5K).
Business Quant data shows the 10 biggest positions in Siebert Financial as of March 2026 are held by BlackRock, Inc. (779.59K), VANGUARD CAPITAL MANAGEMENT LLC (550.62K), GEODE CAPITAL MANAGEMENT, LLC (435.54K), UBS Group AG (160.59K), Cetera Investment Advisers (146.46K), State Street Corp (144.23K), Northern Trust Corp (138.62K), VANGUARD FIDUCIARY TRUST CO (112.9K), STRS OHIO (84.2K), VANGUARD PORTFOLIO MANAGEMENT LLC (80.72K).

Form 13F Holdings

54 Institutional Holders

Report period 31 Mar, 2026

Total shares held 3.20Mn

Of outstanding 760.96%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	779,586	185.62%	▼11,514	-1.46%	$1.50Mn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	550,619	131.10%	▲550,619	0.00%	$1.06Mn
3	GEODE CAPITAL MANAGEMENT, LLC	0001214717	435,539	103.70%	▲17,080	+4.08%	$836.51K
4	UBS Group AG	0001610520	160,593	38.24%	▲73,299	+83.97%	$308.34K
5	Cetera Investment Advisers	0001666741	146,459	34.87%	▼5,609	-3.69%	$281.20K
6	State Street Corp	0000093751	144,234	34.34%	0	0.00%	$276.93K
7	Northern Trust Corp	0000073124	138,625	33.01%	▲10,216	+7.96%	$266.16K
8	VANGUARD FIDUCIARY TRUST CO	0000933478	112,895	26.88%	▲112,895	0.00%	$216.76K
9	STRS OHIO	0000820478	84,200	20.05%	0	0.00%	$161.66K
10	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	80,715	19.22%	▲80,715	0.00%	$154.97K
11	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	57,260	13.63%	▼6,800	-10.62%	$109.94K
12	Focus Partners Wealth	0001542153	36,488	8.69%	▲99	+0.27%	$70.06K
13	Goldman Sachs Group Inc	0000886982	36,068	8.59%	▼44,198	-55.06%	$69.25K
14	Bank of New York Mellon Corp	0001390777	35,736	8.51%	▼793	-2.17%	$68.61K
15	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	35,189	8.38%	0	0.00%	$67.56K
16	DIMENSIONAL FUND ADVISORS LP	0000354204	34,841	8.30%	▼27,509	-44.12%	$66.71K
17	DEUTSCHE BANK AG\	0000948046	32,823	7.81%	0	0.00%	$63.02K
18	PANAGORA ASSET MANAGEMENT INC	0000883677	32,765	7.80%	▼38	-0.12%	$62.91K
19	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	28,665	6.83%	▲13,332	+86.95%	$55.04K
20	CITADEL ADVISORS LLC	0001423053	27,345	6.51%	▲27,345	0.00%	$52.50K

Showing 1 to 20 of 54 holders