Sera Prognostics Inc. Class ASERA

13F holders, Q3 2024 (September 30)
61holders −4
12new positions
17sold out
1famous investor
$7.80avg. 13F price*

At the end of Q3 2024, 61 institutions reported holding Sera Prognostics Inc. Class A (SERA) in their 13F filings, down 4 from Q2 2024. 12 opened new positions and 17 sold out. The largest holders were Baker Bros. Advisors LP ($42.4M), Ra Capital Management, L.P. ($23.7M) and Vivo Capital, LLC ($12.9M). One famous investor held it Cliff Asness (0.0% of AQR Capital Management's portfolio).

Company
Sera Prognostics Inc. Class A
CUSIP
81749D107
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q1 2024: 52Q1 2024Q2 2024: 65Q2 2024Q3 2024: 61Q3 2024Q4 2024: 73Q4 2024Q1 2025: 71Q1 2025Q2 2025: 59Q2 2025Q3 2025: 62Q3 2025Q4 2025: 57Q4 2025Q1 2026: 56Q1 2026Q2 2026: 47Q2 2026

Total Exit/New Position Q2 2024 → Q3 2024

InstitutionsTotal Value
New Positions12$500K
Exits17$3.6M

All 13F filers, Q2 2024 → Q3 2024: 1,991,171 shares bought and 707,402 shares sold, net +1,283,769 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 61 holders

Baker Bros. Advisors LP 0.44% No change 5,434,399 $42.4M
Ra Capital Management, L.P. 0.27% No change 3,032,808 $23.7M
Vivo Capital, LLC 1.07% No change 1,650,440 $12.9M
BlackRock, Inc. 0.00% — 1,540,281 $12.0M
Vanguard Group Inc. 0.00% Add +8.4% 1,199,509 $9.4M
JPMorgan Chase & Co. 0.00% Add +7357.8% 884,867 $6.9M
Invesco Ltd. 0.00% Add +4345.9% 592,197 $4.6M
Geode Capital Management, LLC 0.00% Add +8.9% 586,837 $4.6M
AWM Investment Company, Inc. 0.49% No change 521,314 $4.1M
Captrust Financial Advisors 0.01% Add +0.0% 477,221 $3.7M
State Street Corp. 0.00% Add +8.8% 425,093 $3.3M
Northern Trust Corp. 0.00% Add +394.9% 243,997 $1.9M
Morgan Stanley 0.00% Reduce -9.8% 224,636 $1.8M
Bank of New York Mellon Corp 0.00% Reduce -13.3% 130,662 $1.0M
Bridgeway Capital Management, LLC 0.02% Add +4.9% 90,305 $704K
Perigon Wealth Management, LLC 0.02% Reduce -5.9% 80,185 $625K
Charles Schwab Investment Management Inc. 0.00% No change 77,113 $601K
Requisite Capital Management, LLC 0.09% No change 55,648 $434K
Ballentine Partners, LLC 0.01% No change 49,664 $387K
Corient Private Wealth LP 0.00% No change 47,500 $371K
Twelve Points Wealth Management LLC 0.11% No change 43,388 $338K
HighTower Advisors, LLC 0.00% No change 42,234 $329K
UBS Group AG 0.00% Add +73.2% 42,173 $329K
Goldman Sachs Group Inc. 0.00% Reduce -5.6% 41,415 $323K
Cwm, LLC 0.00% Add +0.1% 40,577 $317K
Dimensional Fund Advisors LP 0.00% Reduce -12.8% 39,606 $308K
Barclays PLC 0.00% Add +321.6% 39,450 $308K
Nuveen Asset Management, LLC 0.00% No change 37,417 $292K
Sanders Morris Harris LLC 0.04% Reduce -2.0% 34,100 $266K
Rhumbline Advisers 0.00% Add +1.4% 32,633 $255K
Susquehanna International Group, LLP 0.00% Add +193.2% 31,004 $242K
Bank of America Corp. 0.00% Reduce -39.4% 20,067 $157K
Citigroup Inc. 0.00% Add +231.9% 19,928 $155K
MetLife Investment Management, LLC 0.00% Add +129.1% 17,254 $135K
MAI Capital Management 0.00% No change 16,737 $131K
AQR Capital Management 0.00% New 16,162 $126K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% New 15,146 $118K
Corebridge Financial, Inc. 0.00% Reduce -0.6% 14,758 $115K
Jane Street Group, LLC 0.00% Add +24.8% 14,225 $111K
American Century Companies Inc. 0.00% Reduce -47.9% 13,381 $104K
Prime Capital Investment Advisors, LLC 0.00% New 13,282 $104K
Manufacturers Life Insurance Company, The 0.00% Reduce -4.6% 10,898 $85K
SG Americas Securities, LLC 0.00% New 10,007 $78K
Wells Fargo & Company 0.00% Reduce -3.8% 8,501 $66K
AlphaQuest LLC 0.00% Add +533.5% 6,430 $50K
New York State Common Retirement Fund 0.00% Reduce -72.0% 4,900 $38K
Acadian Asset Management LLC 0.00% New 4,389 $34K
Royal Bank of Canada 0.00% Add +4.9% 3,097 $25K
Legal & General Group Plc 0.00% No change 3,069 $24K
Ameritas Investment Partners, Inc. 0.00% No change 2,704 $21K
California State Teachers Retirement System 0.00% No change 2,000 $16K
FMR LLC 0.00% New 1,544 $12K
Russell Investments Group, Ltd. 0.00% New 1,492 $12K
Tower Research Capital LLC (TRC) 0.00% New 1,351 $11K
Amalgamated Bank 0.00% No change 955 $7K
Deutsche Bank AG 0.00% No change 730 $6K
Allspring Global Investments Holdings, LLC 0.00% New 649 $5K
Nisa Investment Advisors, LLC 0.00% New 101 $788
Sterling Capital Management LLC 0.00% — 28 $218
Simplex Trading, LLC 0.00% New 82 $0
Capital Advisors, Ltd. LLC 0.00% New 26 $0

"% of holder's portfolio" is SERA's weight in each manager's 13F, not the share of Sera Prognostics Inc. Class A the manager owns.