SeerSEER

13F holders, Q1 2026 (March 31)
58holders −5
7new positions
13sold out
3famous investors
$1.69avg. 13F price*

At the end of Q1 2026, 58 institutions reported holding Seer Inc. (SEER) in their 13F filings, down 5 from Q4 2025. 7 opened new positions and 13 sold out. The largest holders were Softbank Group Corp. ($8.6M), Siren, L.L.C. ($4.1M) and Acadian Asset Management LLC ($3.5M). 3 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 Steve Cohen (0.0% of Point72 Asset 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 Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions7$258K
Exits13$836K

All 13F filers, Q4 2025 → Q1 2026: 790,626 shares bought and 3,422,032 shares sold, net −2,631,406 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 58 holders

Softbank Group Corp. 0.08% No change 5,135,383 $8.6M
Siren, L.L.C. 0.11% Reduce -38.5% 2,458,673 $4.1M
Acadian Asset Management LLC 0.00% Add +1.6% 2,074,709 $3.5M
Vanguard Capital Management LLC 0.00% — 1,958,996 $3.3M
BlackRock, Inc. 0.00% Reduce -0.3% 1,821,604 $3.1M
Renaissance Technologies 0.00% Reduce -7.1% 976,688 $1.6M
AJU IB Investment Co., Ltd. 5.05% No change 816,375 $1.5M
Nano Cap New Millennium Growth Fund L P 1.30% No change 825,000 $1.4M
Two Sigma Investments, LP 0.00% Add +102.5% 511,598 $859K
Bridgeway Capital Management, LLC 0.02% Reduce -24.6% 459,443 $772K
Peapod Lane Capital LLC 0.60% Reduce -0.0% 438,581 $736K
Geode Capital Management, LLC 0.00% Reduce -10.6% 422,977 $711K
1888 Investments, LLC 0.96% No change 359,143 $603K
Dimensional Fund Advisors LP 0.00% Reduce -5.8% 221,916 $373K
Vanguard Fiduciary Trust Co. 0.00% — 215,528 $362K
Gsa Capital Partners LLP 0.02% Reduce -25.6% 194,504 $327K
Goldman Sachs Group Inc. 0.00% Reduce -8.0% 194,173 $326K
Rangeley Capital, LLC 0.34% Add +821.5% 184,302 $310K
T3 Companies, LLC 0.40% Add +29.5% 170,962 $287K
Morgan Stanley 0.00% Reduce -6.1% 160,879 $270K
State Street Corp. 0.00% Add +5.2% 159,950 $269K
Jacobs Levy Equity Management, Inc. 0.00% Add +267.1% 143,242 $241K
Shay Capital LLC 0.03% Reduce -9.9% 135,490 $228K
Northern Trust Corp. 0.00% Add +24.5% 134,560 $226K
D. E. Shaw & Co. 0.00% Reduce -69.4% 125,154 $210K
HSBC Holdings PLC 0.00% No change 114,348 $193K
Edgewood Management LLC 0.00% No change 100,000 $168K
NewEdge Advisors, LLC 0.00% New 78,709 $132K
American Century Companies Inc. 0.00% Reduce -1.8% 73,815 $124K
Royal Bank of Canada 0.00% Reduce -0.3% 71,617 $120K
Palumbo Wealth Management LLC 0.03% Reduce -0.7% 67,187 $113K
Corient Private Wealth LP 0.00% No change 63,200 $106K
Bank of America Corp. 0.00% Reduce -0.9% 57,072 $96K
UBS Group AG 0.00% Add +10.4% 48,396 $81K
Barclays PLC 0.00% Reduce -20.6% 48,211 $81K
Marshall Wace, LLP 0.00% Reduce -1.9% 45,790 $77K
Prelude Capital Management, LLC 0.01% No change 44,052 $74K
T. Rowe Price Associates Inc. 0.00% No change 39,855 $67K
Algert Global LLC 0.00% New 34,980 $59K
Pathstone Holdings, LLC 0.00% No change 28,205 $47K
Invesco Ltd. 0.00% Add +1.2% 26,460 $44K
Sequoia Financial Advisors, LLC 0.00% No change 16,600 $28K
Occudo Quantitative Strategies LP 0.00% New 13,361 $26K
Point72 Asset Management 0.00% Reduce -51.0% 14,813 $25K
XTX Topco Ltd 0.00% New 13,150 $22K
Vanguard Global Advisers, LLC 0.00% — 12,889 $22K
Advisory Services Network, LLC 0.00% New 10,000 $17K
FNY Investment Advisers, LLC 0.01% No change 8,500 $14K
SBI Securities Co., Ltd. 0.00% Add +9.9% 2,633 $4K
Russell Investments Group, Ltd. 0.00% No change 2,050 $3K
National Bank of Canada 0.00% New 1,000 $2K
BNP Paribas Financial Markets 0.00% No change 662 $1K
FMR LLC 0.00% Reduce -99.9% 644 $1K
Cornerstone Planning Group LLC 0.00% No change 447 $832
Osaic Holdings, Inc. 0.00% Reduce -87.9% 380 $636
JPMorgan Chase & Co. 0.00% No change 134 $225
Nisa Investment Advisors, LLC 0.00% No change 23 $39
Caitong International Asset Management Co., Ltd 0.00% New 3 $5

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