Seer SEER Institutional Ownership

NASDAQ SEER

$1.95 +0.00 (+0.26%)

As of: Sep 4, 2026 · 11:01 AM EDT

Institutions by Trading Activity

59 Institutions

Increased 23 39.0%

Unchanged 16 27.1%

Reduced 20 33.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

37.18%

▼-0.79 pp QoQ

Shares Held by Institutions

20.51Mn

of 55.16Mn outstanding

▲+2.28% QoQ

Shares Outstanding

55.16Mn

34.65Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+2 vs prior quarter

Net Shares Added (QoQ)

+458.04K

accumulated since last quarter

Value of Holdings

$39.79Mn

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 30 Jun, 2026

Seer, Inc. (NASDAQ:SEER) appears in 59 institutional 13F filings for the quarter ending June 2026.

These investors collectively held 37.2% of Seer's outstanding shares in June 2026, down from 38.0% in March 2026.
They increased total shares held in Seer by 2.28% from last quarter, and the number of investors in SEER decreased 10.61% annually.
Activity in SEER broke down as 23 buyers, 20 sellers, and 16 unchanged among 59 total holders.
Combined, these investors held 20.51Mn shares in SEER for June 2026, up by 458.04K shares quarter on quarter, and down 6.98Mn shares year over year.
Softbank Group Corp. leads ownership in SEER with 5.14Mn shares as of June 30, 2026, equal to 9.31% of outstanding shares.
Leading buyers of Seer shares for the quarter ending June 2026 were CITADEL ADVISORS LLC (519.31K), Voss Capital, LP (137.29K), Advisory Services Network, LLC (132.65K), EDGEWOOD MANAGEMENT LLC (100.0K), JACOBS LEVY EQUITY MANAGEMENT, INC (79.09K).
Leading sellers of Seer shares for the quarter ending June 2026 were BlackRock, Inc. (393.2K), VANGUARD CAPITAL MANAGEMENT LLC (127.94K), ACADIAN ASSET MANAGEMENT LLC (121.0K), Northern Trust Corp (55.66K), Shay Capital LLC (41.28K).
Seer's 10 largest shareholders as of June 2026 include Softbank Group Corp. (5.14Mn), Siren, L.L.C. (2.46Mn), ACADIAN ASSET MANAGEMENT LLC (1.95Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.83Mn), BlackRock, Inc. (1.43Mn), RENAISSANCE TECHNOLOGIES LLC (985.5K), NANO CAP NEW MILLENNIUM GROWTH FUND L P (825.0K), CITADEL ADVISORS LLC (519.31K), TWO SIGMA INVESTMENTS, LP (492.3K), GEODE CAPITAL MANAGEMENT, LLC (460.43K) per Business Quant data.

Form 13F Holdings

59 Institutional Holders

Report period 30 Jun, 2026

Total shares held 20.51Mn

Of outstanding 37.18%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Softbank Group Corp.	0001065521	5,135,383	9.31%	0	0.00%	$8.52Mn
2	Siren, L.L.C.	0002005245	2,458,673	4.46%	0	0.00%	$4.08Mn
3	ACADIAN ASSET MANAGEMENT LLC	0000916542	1,953,704	3.54%	▼121,005	-5.83%	$3.24K
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,831,058	3.32%	▼127,938	-6.53%	$3.04Mn
5	BlackRock, Inc.	0002012383	1,428,405	2.59%	▼393,199	-21.59%	$2.37Mn
6	RENAISSANCE TECHNOLOGIES LLC	0001037389	985,500	1.79%	▲8,812	+0.90%	$1.64Mn
7	NANO CAP NEW MILLENNIUM GROWTH FUND L P	0001277890	825,000	1.50%	0	0.00%	$1.37Mn
8	CITADEL ADVISORS LLC	0001423053	519,310	0.94%	▲519,310	0.00%	$862.06K
9	TWO SIGMA INVESTMENTS, LP	0001179392	492,298	0.89%	▼19,300	-3.77%	$817.22K
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	460,430	0.83%	▲37,453	+8.85%	$764.51K
11	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0001107261	459,443	0.83%	0	0.00%	$762.68K
12	Peapod Lane Capital LLC	0002050979	445,450	0.81%	▲6,869	+1.57%	$739.45K
13	1888 Investments, LLC	0001885092	359,143	0.65%	0	0.00%	$596.18K
14	Goldman Sachs Group Inc	0000886982	246,638	0.45%	▲52,465	+27.02%	$409.42K
15	JACOBS LEVY EQUITY MANAGEMENT, INC	0000884414	222,332	0.40%	▲79,090	+55.21%	$369.07K
16	Rangeley Capital, LLC	0001517796	222,000	0.40%	▲37,698	+20.45%	$368.52K
17	VANGUARD FIDUCIARY TRUST CO	0000933478	216,961	0.39%	▲1,433	+0.66%	$360.16K
18	DIMENSIONAL FUND ADVISORS LP	0000354204	212,625	0.39%	▼9,291	-4.19%	$352.96K
19	EDGEWOOD MANAGEMENT LLC	0000860561	200,000	0.36%	▲100,000	+100.00%	$332.00K
20	GSA CAPITAL PARTNERS LLP	0001362033	184,524	0.33%	▼9,980	-5.13%	$306

Showing 1 to 20 of 59 holders