SeerSEER

13F holders, Q4 2025 (December 31)
63holders +4
8new positions
7sold out
5famous investors
$1.83avg. 13F price*

At the end of Q4 2025, 63 institutions reported holding Seer Inc. (SEER) in their 13F filings, up 4 from Q3 2025. 8 opened new positions and 7 sold out. The largest holders were Softbank Group Corp. ($9.4M), Siren, L.L.C. ($7.3M) and Vanguard Group Inc. ($4.0M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Seer Inc.
CUSIP
81578P106
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080100 Q1 2024: 88Q1 2024Q2 2024: 91Q2 2024Q3 2024: 70Q3 2024Q4 2024: 71Q4 2024Q1 2025: 67Q1 2025Q2 2025: 68Q2 2025Q3 2025: 59Q3 2025Q4 2025: 63Q4 2025Q1 2026: 58Q1 2026Q2 2026: 59Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions8$460K
Exits7$3.7M

All 13F filers, Q3 2025 → Q4 2025: 440,817 shares bought and 2,914,688 shares sold, net −2,473,871 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 63 holders

Softbank Group Corp. 0.06% No change 5,135,383 $9.4M
Siren, L.L.C. 0.22% No change 4,000,000 $7.3M
Vanguard Group Inc. 0.00% Reduce -1.5% 2,187,413 $4.0M
Acadian Asset Management LLC 0.01% Reduce -4.8% 2,041,198 $3.7M
BlackRock, Inc. 0.00% Reduce -1.5% 1,827,134 $3.3M
Renaissance Technologies 0.00% Reduce -5.3% 1,051,400 $1.9M
Nano Cap New Millennium Growth Fund L P 1.29% — 825,000 $1.5M
AJU IB Investment Co., Ltd. 6.56% No change 816,375 $1.5M
FMR LLC 0.00% Reduce -0.0% 703,886 $1.3M
Bridgeway Capital Management, LLC 0.02% Reduce -17.4% 609,443 $1.1M
Geode Capital Management, LLC 0.00% Reduce -0.0% 473,040 $866K
Two Sigma Advisers, LP 0.00% Reduce -3.5% 462,100 $846K
Peapod Lane Capital LLC 0.68% Add +0.7% 438,612 $803K
D. E. Shaw & Co. 0.00% Reduce -30.9% 408,557 $748K
1888 Investments, LLC 6.37% No change 359,143 $657K
Gsa Capital Partners LLP 0.04% Add +6.0% 261,364 $478K
Two Sigma Investments, LP 0.00% Reduce -13.6% 252,647 $462K
Dimensional Fund Advisors LP 0.00% Add +2.8% 235,485 $431K
Goldman Sachs Group Inc. 0.00% Add +13.0% 211,053 $386K
Morgan Stanley 0.00% Reduce -10.0% 171,368 $314K
State Street Corp. 0.00% Reduce -3.7% 152,082 $278K
Shay Capital LLC 0.04% Add +104.3% 150,331 $275K
T3 Companies, LLC 0.31% — 132,000 $242K
Millennium Management 0.00% Reduce -48.2% 116,497 $213K
HSBC Holdings PLC 0.00% Reduce -3.1% 114,348 $210K
Northern Trust Corp. 0.00% Add +11.3% 108,082 $198K
Edgewood Management LLC 0.00% No change 100,000 $183K
Susquehanna International Group, LLP 0.00% Reduce -23.9% 93,876 $172K
American Century Companies Inc. 0.00% No change 75,169 $138K
Royal Bank of Canada 0.00% Reduce -72.2% 71,800 $131K
Palumbo Wealth Management LLC 0.03% Reduce -47.5% 67,647 $124K
Corient Private Wealth LP 0.00% New 63,200 $116K
Squarepoint Ops LLC 0.00% Reduce -33.8% 60,884 $111K
Barclays PLC 0.00% Add +685.0% 60,717 $111K
Bank of America Corp. 0.00% Reduce -2.1% 57,574 $105K
Quadrature Capital Ltd 0.00% New 55,308 $101K
Marshall Wace, LLP 0.00% New 46,701 $85K
Prelude Capital Management, LLC 0.01% Reduce -8.1% 44,052 $81K
UBS Group AG 0.00% Reduce -45.4% 43,818 $80K
Jane Street Group, LLC 0.00% Reduce -6.4% 43,222 $79K
T. Rowe Price Associates Inc. 0.00% No change 39,855 $73K
Jacobs Levy Equity Management, Inc. 0.00% Reduce -65.3% 39,016 $71K
AE Wealth Management LLC 0.00% New 32,513 $59K
Point72 Asset Management 0.00% New 30,231 $55K
Pathstone Holdings, LLC 0.00% No change 28,205 $52K
Invesco Ltd. 0.00% Reduce -67.3% 26,151 $48K
Rangeley Capital, LLC 0.03% No change 20,000 $37K
Sequoia Financial Advisors, LLC 0.00% No change 16,600 $30K
Qube Research & Technologies Ltd 0.00% Add +0.8% 15,486 $28K
Citadel Advisors 0.00% Reduce -29.2% 11,625 $21K
NINE MASTS CAPITAL Ltd 0.00% New 10,751 $20K
Connor, Clark & Lunn Investment Management Ltd. 0.00% New 10,645 $19K
FNY Investment Advisers, LLC 0.00% No change 8,500 $15K
Torren Management, LLC 0.00% — 4,322 $8K
Osaic Holdings, Inc. 0.00% Reduce -2.3% 3,135 $6K
SBI Securities Co., Ltd. 0.00% Reduce -25.8% 2,395 $4K
Russell Investments Group, Ltd. 0.00% No change 2,050 $4K
Tower Research Capital LLC (TRC) 0.00% New 1,831 $3K
BNP Paribas Financial Markets 0.00% Reduce -90.4% 662 $1K
Cornerstone Planning Group LLC 0.00% Add +1390.0% 447 $836
JPMorgan Chase & Co. 0.00% No change 134 $245
Farther Finance Advisors, LLC 0.00% No change 36 $66
Nisa Investment Advisors, LLC 0.00% No change 23 $42

"% of holder's portfolio" is SEER's weight in each manager's 13F, not the share of Seer Inc. the manager owns.