BillionToOne, Inc. Class A

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BLLN·090168105·US·Common Stock·Healthcare - Diagnostics & Research-Activist

BLLN (BillionToOne, Inc. Class A) is held by 87 institutional investors as of Q2 2026. Largest holders: BAILLIE GIFFORD & CO ($108.2M), VANGUARD PORTFOLIO MANAGEMENT LLC ($100.9M), Invesco Ltd. ($100.3M). Net institutional sentiment: Bullish.

87

Holders

(8 Elite)

$1.2B

Total Value

82% (91)

Consensus

75 buying - 16 selling

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

Smart Money Verdict

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Institutional (13F)29

Insider (Form 4)66

Activist (13D/13G)30

Congressional (STOCK Act)75

Holder Quality

29

★★★★★

Elite

81

★★★★

Strong

37

★★★

Solid

75

★★

Below

34

★

Weak

Held by 87 funds

8 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders Aug 28, 2026 · Activists Feb 17, 2026 · Congress none

InsiderKKKOLLURI KRISHNA KITTUOther 38K shAug 26, 2026

InsiderKKKOLLURI KRISHNA KITTUOther 2K shAug 26, 2026

InsiderKKKOLLURI KRISHNA KITTUOther 6K shAug 26, 2026

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Top Holders

Top Holders (87)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BAILLIE GIFFORD & CO	Decreased	901,420(-28.5%)	$108.2M	0.1%	+13.08%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	840,970(+456.1%)	$100.9M	0.0%	-15.12%	48
Invesco Ltd.	Increased	835,614(+105.6%)	$100.3M	0.0%	-6.13%	48
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	799,468(+338.1%)	$95.9M	0.0%	-13.76%	48
Neuberger Berman Group LLC	Increased	764,215(+7.8%)	$91.7M	0.1%	+9.87%	32
BAMCO INC /NY/	Increased	742,093(+0.1%)	$89M	0.1%	+15.07%	36
WASATCH ADVISORS LP	Increased	518,084(+40.2%)	$62.2M	0.4%	+2.69%	47
MILLENNIUM MANAGEMENT LLC	New	425,032	$51M	0.0%	-19.80%	41
FULLER & THALER ASSET MANAGEMENT, INC.	New	418,565	$50.2M	0.1%	-19.80%	48
UBS Group AG	Increased	344,287(+183.1%)	$41.3M	0.0%	-10.20%	47
JPMORGAN CHASE & CO	Increased	340,371(+20.2%)	$41M	0.0%	+5.79%	35
AMERIPRISE FINANCIAL INC	Increased	320,612(+45.7%)	$38.5M	0.0%	+0.82%	39
WELLS FARGO & COMPANY/MN	Increased	271,554(+244x)	$32.6M	0.0%	-19.71%	47
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	Decreased	223,933(-6.9%)	$26.9M	0.0%	+13.22%	0
ALLIANCEBERNSTEIN L.P.	Increased	262,103(+17.4%)	$20.7M	0.0%	+6.73%	33
BNP PARIBAS FINANCIAL MARKETS	Increased	122,527(+15.3Kx)	$14.7M	0.0%	-19.80%	45
GOLDMAN SACHS GROUP INC	Increased	120,325(+2793.8%)	$14.4M	0.0%	-18.99%	45
NEW YORK STATE COMMON RETIREMENT FUND	Increased	117,771(+32.8%)	$14.1M	0.0%	+4.22%	36
VOLORIDGE INVESTMENT MANAGEMENT, LLC	New	117,063	$14M	0.1%	-19.80%	39
BlackRock, Inc.	Increased	114,281(+20.1%)	$13.7M	0.0%	+6.29%	33

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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