SERA PROGNOSTICS INC

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SERA·81749D107·US·Common Stock·Healthcare - Medical Devices-13D/G

CLASS A COM

SERA (SERA PROGNOSTICS INC) is held by 31 institutional investors as of Q2 2026. Largest holders: BAKER BROS. ADVISORS LP ($10M), Aberdeen Group plc ($5M), VANGUARD CAPITAL MANAGEMENT LLC ($2.4M). Net institutional sentiment: Mixed.

31

Holders

(2 Elite)

$21M

Total Value

38% (26)

Consensus

10 buying - 16 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)85

Insider (Form 4)63

Activist (13D/13G)29

Congressional (STOCK Act)70

Holder Quality

56

★★★★★

Elite

38

★★★★

Strong

64

★★★

Solid

22

★★

Below

23

★

Weak

Held by 31 funds

2 elite

Who's Trading

Source dates: Price Aug 27, 2026 · Insiders Jun 15, 2026 · Activists Jul 15, 2026 · Congress none

ActivistAberdeen Group plc7.2%Jul 15, 2026

InsiderAJAnderson Dyaarl Lee Jr.Sell $10KJun 11, 2026

InsiderJBJackson BenjaminSell $4KJun 11, 2026

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Top Holders

Top Holders (31)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BAKER BROS. ADVISORS LP	Unchanged	5.5M	$10M	0.1%	-62.46%	0
Aberdeen Group plc	Increased	2.8M(+8.0%)	$5M	0.0%	-39.60%	29
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	1.3M(+7.8%)	$2.4M	0.0%	+0.04%	28
CAPTRUST FINANCIAL ADVISORS	Decreased	535,755(-0.2%)	$975,074	0.0%	-23.64%	0
GEODE CAPITAL MANAGEMENT, LLC	Decreased	348,967(-4.0%)	$635,473	0.0%	-55.78%	0
BlackRock, Inc.	Increased	221,369(+12.9%)	$402,891	0.0%	-67.02%	18
VFVANGUARD FIDUCIARY TRUST CO	Increased	170,908(+0.7%)	$311,053	0.0%	-0.85%	24
STATE STREET CORP	Unchanged	124,792	$227,121	0.0%	-64.69%	0
MILLENNIUM MANAGEMENT LLC	Decreased	73,986(-19.1%)	$134,655	0.0%	-54.43%	0
NORTHERN TRUST CORP	Decreased	68,595(-28.9%)	$124,843	0.0%	-69.01%	0
Bank of New York Mellon Corp	Unchanged	60,927	$110,887	0.0%	-63.44%	0
MORGAN STANLEY	Decreased	50,972(-51.5%)	$92,769	0.0%	-57.41%	0
Qube Research & Technologies Ltd	Increased	50,871(+155.4%)	$92,585	0.0%	-20.53%	35
HighTower Advisors, LLC	Unchanged	42,234	$76,866	0.0%	-76.98%	0
CITADEL ADVISORS LLC	Decreased	41,411(-83.4%)	$75,368	0.0%	-39.87%	0
GOLDMAN SACHS GROUP INC	Increased	32,541(+76.2%)	$59,225	0.0%	-58.47%	21
DIMENSIONAL FUND ADVISORS LP	Increased	29,499(+51.0%)	$53,652	0.0%	-61.20%	20
Cetera Investment Advisers	Unchanged	25,000	$45,500	0.0%	-27.93%	0
XTX Topco Ltd	Increased	16,808(+1.9%)	$30,591	0.0%	-0.69%	20
TWO SIGMA INVESTMENTS, LP	Decreased	16,221(-26.1%)	$29,522	0.0%	-31.48%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer