Seer

SEER · NASDAQ

$1.98−$0.04 (−1.98%)TodayMarket closed · Oct 20, 4:10 PM ET

Prev close $2.02

Who owns SEER

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 48.6% of SEER’s shares.

SB Global Advisers Ltd9.3%
aMoon Fund9.0%
Farokhzad (Omid)8.2%
Radoff Family Foundation4.7%
Next 6 largest institutions17.4%
All other shareholders51.4%

Top institutional holders of SEER
Holder	Shares	% of shares	Change, last filing	Filed
SB Global Advisers Ltd	5.14M	9.34%	+0	Jun 30, 2026
aMoon Fund	4.92M	8.95%	+0	May 11, 2026
Farokhzad (Omid)	4.51M	8.19%	+101.80K	May 11, 2026
Radoff Family Foundation	2.61M	4.75%	+0	Apr 12, 2026
Invus Public Equities Advisors, LLC	2.46M	4.47%	+0	Jun 30, 2026
Acadian Asset Management LLC	1.95M	3.55%	−121.00K	Jun 30, 2026
Vanguard Capital Management, LLC	1.83M	3.33%	−127.94K	Jun 30, 2026
JEC II Associates, L.L.C.	1.17M	2.12%	+0	Apr 12, 2026
BlackRock Institutional Trust Company, N.A.	1.14M	2.08%	−9.86K	Jun 30, 2026
Renaissance Technologies LLC	985.50K	1.79%	+8.81K	Jun 30, 2026

Largest mutual fund holders

Top mutual fund holders of SEER
Holder	Shares	% of shares	Change, last filing	Filed
Vanguard Total Stock Market Index Fund	1.22M	2.22%	−168.15K	Jul 31, 2026
Vanguard Extended Market Index Fund	397.94K	0.72%	+20.62K	Jul 31, 2026
Bridgeway Ultra-Small Company Fund	380.04K	0.69%	+0	Jun 30, 2026
Fidelity Extended Market Index Fund	283.26K	0.52%	+107.44K	Jul 31, 2026
iShares Micro-Cap ETF	163.75K	0.30%	+8.50K	Aug 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $50.43K (3 trades) of SEER on the open market, with no buys.

Latest SEER insider transactions
Insider	Date	Type	Shares	Price	Value
Horn David R.	Aug 18, 2026	Sale	7.31K	$2.03	$14.81K
Gulyani Meeta	Jul 28, 2026	Award	25.00K	—	—
Gulyani Meeta	Jul 28, 2026	Award	16.50K	—	—
Ro Isaac	Jul 28, 2026	Award	18.75K	—	—
Ro Isaac	Jul 28, 2026	Award	12.38K	—	—
Nishar Dipchand	Jul 28, 2026	Award	25.00K	—	—
Nishar Dipchand	Jul 28, 2026	Award	16.50K	—	—
Roelofs Nicolas H PHD	Jul 28, 2026	Award	25.00K	—	—
Roelofs Nicolas H PHD	Jul 28, 2026	Award	16.50K	—	—
LANGER ROBERT	Jul 28, 2026	Award	25.00K	—	—

Short interest

Settled Sep 30, 2026

Shares short: 108.60K
Days to cover: 1.00
% of shares outstanding: 0.20%
Average daily volume: 385.53K
Change since last report: +24.4%

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