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Seer, Inc.

SEER
Exchange
Nasdaq
Industry
Laboratory Analytical Instruments
SEC CIK
0001726445

In the last 90 days, Seer, Inc. insiders filed 0 open-market purchases and 2 sales; 59 institutions reported holding it in 13F filings for Q2 2026, worth $34.0M in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Seer, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
58
−4 vs. Q4 2025
Shares held
21.3M
−906.1K (−4.1%) vs. Q4 2025
Total value
$36.0M
−$4.68M (−11.5%) vs. Q4 2025
New holders
10
10 more added
Sold out
14
21 more reduced

1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SEER on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 58 institutions
Q1 2021: 89 institutionsQ2 2021: 90 institutionsQ3 2021: 99 institutionsQ4 2021: 103 institutionsQ1 2022: 95 institutionsQ2 2022: 95 institutionsQ3 2022: 97 institutionsQ4 2022: 99 institutionsQ1 2023: 100 institutionsQ2 2023: 86 institutionsQ3 2023: 79 institutionsQ4 2023: 89 institutionsQ1 2024: 88 institutionsQ2 2024: 91 institutionsQ3 2024: 70 institutionsQ4 2024: 71 institutionsQ1 2025: 67 institutionsQ2 2025: 68 institutionsQ3 2025: 59 institutionsQ4 2025: 63 institutionsQ1 2026: 58 institutionsQ2 2026: 59 institutions
Value heldQ1 2026: $36.0M
Q1 2021: $2.10BQ2 2021: $1.48BQ3 2021: $1.66BQ4 2021: $1.04BQ1 2022: $711.9MQ2 2022: $402.7MQ3 2022: $351.0MQ4 2022: $250.1MQ1 2023: $160.5MQ2 2023: $174.6MQ3 2023: $86.7MQ4 2023: $72.8MQ1 2024: $71.9MQ2 2024: $57.9MQ3 2024: $57.8MQ4 2024: $68.4MQ1 2025: $46.6MQ2 2025: $59.0MQ3 2025: $56.3MQ4 2025: $44.7MQ1 2026: $36.0MQ2 2026: $34.0M
Institutions holding SEER and their total value by quarter
QuarterHoldersValue
Q2 202659$34.0M
Q1 202658$36.0M
Q4 202563$44.7M
Q3 202559$56.3M
Q2 202568$59.0M
Q1 202567$46.6M
Q4 202471$68.4M
Q3 202470$57.8M
Q2 202491$57.9M
Q1 202488$71.9M
Q4 202389$72.8M
Q3 202379$86.7M
Q2 202386$174.6M
Q1 2023100$160.5M
Q4 202299$250.1M
Q3 202297$351.0M
Q2 202295$402.7M
Q1 202295$711.9M
Q4 2021103$1.04B
Q3 202199$1.66B
Q2 202190$1.48B
Q1 202189$2.10B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Seer, Inc.; share changes are against Q4 2025.

Institutions holding SEER in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Softbank Group Corp5,135,383$8.63M0.08%00.0%Unchanged
Siren, L.L.C.2,458,673$4.13M0.11%−1,541,327−38.5%Reduced
Acadian Asset Management LLC2,074,709$3.48M0.00%+33,511+1.6%Added
Vanguard Capital Management LLC1,958,996$3.29M0.00%+1,958,996New
BlackRock, Inc.1,821,604$3.06M0.00%−5,530−0.3%Reduced
Renaissance Technologies LLC976,688$1.64M0.00%−74,712−7.1%Reduced
AJU IB Investment Co., Ltd.816,375$1.54M5.05%00.0%Unchanged
Nano Cap New Millennium Growth Fund L P825,000$1.39M1.30%00.0%Unchanged
Two Sigma Investments, LP511,598$859.5K0.00%+258,951+102.5%Added
Bridgeway Capital Management, LLC459,443$771.9K0.02%−150,000−24.6%Reduced
Peapod Lane Capital LLC438,581$735.9K0.60%−310.0%Reduced
Geode Capital Management, LLC422,977$710.8K0.00%−50,063−10.6%Reduced
1888 Investments, LLC359,143$603.4K0.96%00.0%Unchanged
Dimensional Fund Advisors LP221,916$372.8K0.00%−13,569−5.8%Reduced
Vanguard Fiduciary Trust Co215,528$362.1K0.00%+215,528New
Gsa Capital Partners LLP194,504$327.0K0.02%−66,860−25.6%Reduced
Goldman Sachs Group Inc194,173$326.2K0.00%−16,880−8.0%Reduced
Rangeley Capital, LLC184,302$309.6K0.33%+164,302+821.5%Added
T3 Companies, LLC170,962$287.2K0.39%+38,962+29.5%Added
Morgan Stanley160,879$270.3K0.00%−10,489−6.1%Reduced
State Street Corp159,950$268.7K0.00%+7,868+5.2%Added
Jacobs Levy Equity Management, Inc143,242$240.6K0.00%+104,226+267.1%Added
Shay Capital LLC135,490$227.6K0.03%−14,841−9.9%Reduced
Northern Trust Corp134,560$226.1K0.00%+26,478+24.5%Added
D. E. Shaw & Co., Inc.125,154$210.3K0.00%−283,403−69.4%Reduced
HSBC Holdings PLC114,348$193.2K0.00%00.0%Unchanged
Edgewood Management LLC100,000$168.0K0.00%00.0%Unchanged
GWM Advisors LLC78,709$132.2K0.00%+78,709New
American Century Companies Inc73,815$124.0K0.00%−1,354−1.8%Reduced
Royal Bank of Canada71,617$120.0K0.00%−183−0.3%Reduced
Palumbo Wealth Management LLC67,187$112.9K0.03%−460−0.7%Reduced
CI Private Wealth, LLC63,200$106.2K0.00%00.0%Unchanged
Bank of America Corp57,072$95.9K0.00%−502−0.9%Reduced
UBS Group AG48,396$81.3K0.00%+4,578+10.4%Added
Barclays PLC48,211$81.0K0.00%−12,506−20.6%Reduced
Marshall Wace, LLP45,790$76.9K0.00%−911−2.0%Reduced
Prelude Capital Management, LLC44,052$74.0K0.01%00.0%Unchanged
Price T Rowe Associates Inc39,855$67.0K0.00%00.0%Unchanged
Algert Global LLC34,980$58.8K0.00%+34,980New
Pathstone Holdings, LLC28,205$47.4K0.00%00.0%Unchanged
Invesco Ltd.26,460$44.5K0.00%+309+1.2%Added
Sequoia Financial Advisors, LLC16,600$27.9K0.00%00.0%Unchanged
Occudo Quantitative Strategies LP13,361$26.1K0.00%+13,361New
Point72 Asset Management, L.P.14,813$24.9K0.00%−15,418−51.0%Reduced
XTX Topco Ltd13,150$22.1K0.00%+13,150New
Vanguard Global Advisers, LLC12,889$21.7K0.00%+12,889New
Advisory Services Network, LLC10,000$16.8K0.00%+10,000New
FNY Investment Advisers, LLC8,500$14.0K0.01%00.0%Unchanged
SBI Securities Co., Ltd.2,633$4.42K0.00%+238+9.9%Added
Russell Investments Group, Ltd.2,050$3.44K0.00%00.0%Unchanged
National Bank of Canada1,000$1.68K0.00%+1,000New
BNP Paribas Arbitrage, SA662$1.11K0.00%00.0%Unchanged
FMR LLC644$1.08K0.00%−703,242−99.9%Reduced
Cornerstone Planning Group LLC447$8320.00%00.0%Unchanged
Advisor Group Holdings, Inc.380$6360.00%−2,755−87.9%Reduced
JPMorgan Chase & Co134$2250.00%00.0%Unchanged
Nisa Investment Advisors, LLC23$390.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd3$50.00%+3New
Two Sigma Advisers, LP0$00.00%−462,100−100.0%Sold out
Millennium Management LLC0$00.00%−116,497−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−93,876−100.0%Sold out
Squarepoint Ops LLC0$00.00%−60,884−100.0%Sold out
Quadrature Capital Ltd0$00.00%−55,308−100.0%Sold out
Jane Street Group, LLC0$00.00%−43,222−100.0%Sold out
AE Wealth Management LLC0$00.00%−32,513−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−15,486−100.0%Sold out
Citadel Advisors LLC0$00.00%−11,625−100.0%Sold out
Nine Masts Capital Ltd0$00.00%−10,751−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−10,645−100.0%Sold out
Torren Management, LLC0$00.00%−4,322−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−1,831−100.0%Sold out
Farther Finance Advisors, LLC0$00.00%−36−100.0%Sold out
Vanguard Group Inc––––Not filed