SERA PROGNOSTICS, INC.

SERANASDAQ

$2.00-0.09 (-4.31% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

SERA PROGNOSTICS, INC. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-38.7%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Baker Bros. Advisors LP	18.77%	$10M	0.05%	Not reported
Whetstone Capital Advisors, LLC	11.29%	$6.02M	1.58%	Not reported
Aberdeen Group plc	9.40%	$5.01M	0.01%	Add 7.95%
Vivo Capital, LLC	5.63%	$3M	0.27%	Not reported
Vanguard Capital Management LLC	4.43%	$2.36M	0.00%	Not reported
Captrust Financial Advisors	1.83%	$975K	0.00%	Not reported
Geode Capital Management, LLC	1.19%	$635K	0.00%	Not reported
BlackRock, Inc.	0.76%	$403K	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.58%	$311K	0.00%	Not reported
State Street Corp	0.43%	$227K	0.00%	Not reported
Millennium Management LLC	0.25%	$135K	0.00%	Not reported
Perigon Wealth Management, LLC	0.25%	$132K	0.00%	Not reported
Northern Trust Corp	0.23%	$125K	0.00%	Not reported
Bank of New York Mellon Corp	0.21%	$111K	0.00%	Not reported
Bridgeway Capital Management, LLC	0.19%	$101K	0.00%	Not reported
Requisite Capital Management, LLC	0.19%	$101K	0.02%	Not reported
Morgan Stanley	0.17%	$92.8K	0.00%	Not reported
Qube Research & Technologies Ltd	0.17%	$92.6K	0.00%	Not reported
Ballentine Partners, LLC	0.17%	$90.4K	0.00%	Not reported
Twelve Points Wealth Management LLC	0.15%	$79K	0.02%	Not reported
HighTower Advisors, LLC	0.14%	$76.9K	0.00%	Not reported
Citadel Advisors LLC	0.14%	$75.4K	0.00%	Not reported
Catalyst Funds Management Pty Ltd	0.13%	$70.8K	0.00%	Add 65.04%
Goldman Sachs Group Inc	0.11%	$59.2K	0.00%	Not reported
Dimensional Fund Advisors LP	0.10%	$53.7K	0.00%	Not reported
Birch Hill Investment Advisors LLC	0.09%	$49.7K	0.00%	Not reported
Cetera Investment Advisers	0.09%	$45.5K	0.00%	Not reported
XTX Topco Ltd	0.06%	$30.6K	0.00%	Not reported
Two Sigma Investments, LP	0.06%	$29.5K	0.00%	Not reported
Riverview Capital Advisers, LLC	0.04%	$23.1K	0.01%	Not reported
Wagner Wealth Management, LLC	0.04%	$22.6K	0.00%	Not reported
Focus Partners Wealth	0.04%	$22.1K	0.00%	Not reported
UBS Group AG	0.04%	$20.6K	0.00%	Not reported
Vanguard Global Advisers, LLC	0.04%	$20.3K	0.00%	Not reported
Geneos Wealth Management Inc.	0.04%	$19.7K	0.00%	Not reported
Wealth Enhancement Advisory Services, LLC	0.04%	$20.7K	0.00%	Not reported
Barclays PLC	0.01%	$5.79K	0.00%	Not reported
FMR LLC	0.01%	$4.62K	0.00%	Not reported
Global Retirement Partners, LLC	0.00%	$1.82K	0.00%	Not reported
JPMorgan Chase & Co	0.00%	$402	0.00%	Not reported
BNP Paribas Financial Markets	0.00%	$339	0.00%	Not reported
Nisa Investment Advisors, LLC	0.00%	$235	0.00%	Not reported
Royal Bank of Canada	0.00%	$0	0.00%	Not reported
SBI Securities Co., Ltd.	0.00%	$7	0.00%	Not reported
Caitong International Asset Management Co., Ltd	0.00%	$7	0.00%	Not reported

End of history · 45 holders

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