Sera Prognostics Inc. Class ASERA

13F holders, Q2 2024 (June 30)
65holders +13
24new positions
12sold out
3famous investors
$5.92avg. 13F price*

At the end of Q2 2024, 65 institutions reported holding Sera Prognostics Inc. Class A (SERA) in their 13F filings, up 13 from Q1 2024. 24 opened new positions and 12 sold out. The largest holders were Baker Bros. Advisors LP ($32.2M), Ra Capital Management, L.P. ($18.0M) and Vivo Capital, LLC ($9.8M). 3 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies'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 Q1 2024 → Q2 2024

InstitutionsTotal Value
New Positions24$3.1M
Exits12$3.7M

All 13F filers, Q1 2024 → Q2 2024: 4,061,472 shares bought and 1,909,060 shares sold, net +2,152,412 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 65 holders

Baker Bros. Advisors LP 0.42% No change 5,434,399 $32.2M
Ra Capital Management, L.P. 0.24% Add +49.8% 3,032,808 $18.0M
Vivo Capital, LLC 0.90% No change 1,650,440 $9.8M
BlackRock Inc. 0.00% Add +1085.1% 1,409,871 $8.3M
Vanguard Group Inc. 0.00% Add +23.5% 1,106,703 $6.6M
Geode Capital Management, LLC 0.00% Add +159.3% 538,868 $3.2M
AWM Investment Company, Inc. 0.42% Reduce -10.8% 521,314 $3.1M
Captrust Financial Advisors 0.01% Add +15.6% 477,204 $2.8M
State Street Corp. 0.00% Add +420.2% 390,614 $2.3M
Morgan Stanley 0.00% Add +59.6% 249,102 $1.5M
Bank of New York Mellon Corp 0.00% Add +100.2% 150,708 $892K
Citadel Advisors 0.00% New 109,157 $646K
Ensign Peak Advisors, Inc 0.00% Reduce -14.9% 102,156 $605K
Bridgeway Capital Management, LLC 0.01% No change 86,105 $510K
Perigon Wealth Management, LLC 0.01% No change 85,185 $504K
Resolute Capital Asset Partners LLC 0.27% Reduce -54.3% 80,000 $474K
Charles Schwab Investment Management Inc. 0.00% Add +542.6% 77,113 $457K
Millennium Management 0.00% Reduce -77.6% 64,906 $384K
Requisite Capital Management, LLC 0.07% No change 55,648 $329K
Ballentine Partners, LLC 0.01% New 49,664 $294K
Northern Trust Corp. 0.00% Add +49.4% 49,303 $292K
Corient Private Wealth LP 0.00% Add +58.3% 47,500 $281K
Dimensional Fund Advisors LP 0.00% Add +2.1% 45,431 $268K
Goldman Sachs Group Inc. 0.00% Reduce -70.2% 43,858 $260K
Twelve Points Wealth Management LLC 0.09% New 43,388 $257K
HighTower Advisors, LLC 0.00% Reduce -2.3% 42,234 $250K
Cwm, LLC 0.00% No change 40,524 $240K
Nuveen Asset Management, LLC 0.00% New 37,417 $222K
Sanders Morris Harris LLC 0.03% Add +82.2% 34,800 $206K
Focus Partners Wealth 0.00% New 28,656 $202K
Bank of America Corp. 0.00% Add +408.2% 33,132 $196K
Rhumbline Advisers 0.00% New 32,166 $190K
Man Group plc 0.00% Reduce -62.3% 30,731 $182K
Wellington Management Group LLP 0.00% New 27,683 $164K
Renaissance Technologies 0.00% New 27,400 $162K
Alpine Global Management, LLC 0.03% New 26,105 $155K
American Century Companies Inc. 0.00% Add +12.7% 25,682 $152K
UBS Group AG 0.00% Add +17.9% 24,352 $144K
Lake Street Advisors Group, LLC 0.01% New 24,292 $144K
Marshall Wace, LLP 0.00% Reduce -40.5% 23,922 $142K
T. Rowe Price Associates Inc. 0.00% New 20,867 $124K
New York State Common Retirement Fund 0.00% New 17,500 $104K
MAI Capital Management 0.00% No change 16,737 $99K
Walleye Capital LLC 0.00% New 15,876 $94K
Balyasny Asset Management L.P. 0.00% Reduce -23.7% 15,232 $90K
Corebridge Financial, Inc. 0.00% — 14,849 $88K
Invesco Ltd. 0.00% Reduce -97.9% 13,320 $79K
JPMorgan Chase & Co. 0.00% Reduce -79.8% 11,865 $70K
Manufacturers Life Insurance Company, The 0.00% New 11,427 $68K
Jane Street Group, LLC 0.00% Reduce -90.9% 11,399 $67K
Susquehanna International Group, LLP 0.00% Reduce -93.2% 10,573 $63K
Voya Investment Management LLC 0.00% New 10,232 $61K
Barclays PLC 0.00% New 9,357 $55K
Wells Fargo & Company 0.00% Add +5791.3% 8,837 $52K
MetLife Investment Management, LLC 0.00% New 7,532 $45K
Citigroup Inc. 0.00% Reduce -69.3% 6,005 $36K
Legal & General Group Plc 0.00% New 3,069 $18K
Royal Bank of Canada 0.00% Add +731.5% 2,952 $17K
Ameritas Investment Partners, Inc. 0.00% New 2,704 $16K
EntryPoint Capital, LLC 0.01% New 2,554 $15K
California State Teachers Retirement System 0.00% New 2,000 $12K
AlphaQuest LLC 0.00% New 1,015 $6K
Amalgamated Bank 0.00% New 955 $6K
Deutsche Bank AG 0.00% New 730 $4K
Federated Hermes, Inc. 0.00% Add +27.6% 231 $1K

"% 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.