BillionToOne, Inc. hedge fund holdings

BLLNNASDAQ

$105.90+0.14 (+0.13%)as of Oct 2, 2026

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

BLLN · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Nov 6, 2025 to Oct 2, 2026. Price (-2.8%). 0 fund reports 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

Funds buying · new + increased

Funds selling · reduced + closed

Net buyers vs sellers

Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
Quarter	Funds buying	Funds selling	Bought	Sold	Filers	Reported
Q4 2025	70	0	$579M	$0	88	Feb 14, 2026
Q1 2026	47	34	$187M	$57.7M	88	May 15, 2026
Q2 2026	108	18	$672M	$301M	149	Aug 14, 2026

Quarterly action breakdown

Q2 2026

149 filers

New position

$213M+1.78M sh

Increased

$458M+3.82M sh

Reduced

-$196M-1.63M sh

Out / sold

-$105M-878K sh

Last 4 quarters · free

Reported Aug 14, 2026

Fund	Action	Change in dollar	Value	% of portfolio	Reported
Civilization Ventures Management, LLC	Reduce 99.99%	-$108M	$8.68K	100.00%	Aug 14, 2026
Baillie Gifford & Co	Reduce 28.46%	-$43M	$108M	0.10%	Aug 6, 2026
NVP Associates, LLC	Sell 100%	-$40.5M	$0	0.00%	Aug 7, 2026
Oberweis Asset Management Inc/	New Buy	+$35.9M	$35.9M	0.74%	Aug 14, 2026
Next Century Growth Investors LLC	Added 302.44%	+$32.9M	$43.7M	2.32%	Aug 14, 2026
Wasatch Advisors LP	Added 40.16%	+$17.8M	$62.2M	0.41%	Jul 10, 2026
Emerald Advisers, LLC	Added 56.89%	+$16.4M	$45.1M	1.06%	Aug 5, 2026
Capital International Investors	Sell 100%	-$14.1M	$0	0.00%	Aug 12, 2026
Voloridge Investment Management, LLC	New Buy	+$14M	$14M	0.06%	Aug 14, 2026
Fred Alger Management, LLC	New Buy	+$13.7M	$13.7M	0.05%	Aug 14, 2026
T. Rowe Price Investment Management, Inc.	New Buy	+$11.2M	$11.2M	0.01%	Aug 14, 2026
Healthcare of Ontario Pension Plan Trust Fund	New Buy	+$9.99M	$9.99M	0.01%	Aug 13, 2026
Massachusetts Financial Services Co	Reduce 50.51%	-$9.67M	$9.48M	0.00%	Aug 3, 2026
Emerald Mutual Fund Advisers Trust	Added 54.30%	+$8.61M	$24.5M	0.86%	Aug 5, 2026
Greenwich Wealth Management LLC	New Buy	+$8.59M	$8.59M	0.31%	Aug 12, 2026
PFM Health Sciences, LP	Sell 100%	-$6.95M	$0	0.00%	Aug 14, 2026
Blue Water Life Science Advisors, LP	Added 250.00%	+$6M	$8.4M	5.29%	Aug 14, 2026
Fox Hill Wealth Management	New Buy	+$5.25M	$5.25M	2.10%	Aug 19, 2026
Weiss Asset Management LP	New Buy	+$5.17M	$5.17M	0.05%	Aug 14, 2026
Lord, Abbett & Co. LLC	Added 94.84%	+$5.04M	$10.4M	0.03%	Aug 14, 2026
Regents of the University of California	New Buy	+$4.9M	$4.9M	0.11%	Aug 11, 2026
Deep Track Capital, LP	Sell 100%	-$3.95M	$0	0.00%	Aug 14, 2026
F/m Investments LLC	Added 157.87%	+$3.2M	$5.23M	0.27%	Aug 5, 2026
One Wealth Advisors, LLC	New Buy	+$2.39M	$2.39M	0.26%	Aug 6, 2026
Polen Capital Management LLC	New Buy	+$2.04M	$2.04M	0.02%	Aug 4, 2026
Vontobel Holding Ltd.	New Buy	+$1.81M	$1.81M	0.01%	Aug 3, 2026
Sierra Summit Advisors LLC	New Buy	+$1.43M	$1.43M	0.16%	Jul 20, 2026
Caerus Investment Advisors, LLC	New Buy	+$1.37M	$1.37M	0.46%	Aug 14, 2026
Soros Fund Management LLC	Sell 100%	-$1.14M	$0	0.00%	Aug 14, 2026
Cresset Asset Management, LLC	New Buy	+$1.1M	$1.1M	0.00%	Aug 14, 2026
Blair William & Co	New Buy	+$837K	$837K	0.00%	Aug 11, 2026
Jasper Ridge Partners, L.P.	New Buy	+$615K	$615K	0.01%	Aug 14, 2026
Perceptive Advisors LLC	Reduce 5.45%	-$600K	$10.4M	0.16%	Aug 14, 2026
MIC Capital Management UK LLP	New Buy	+$587K	$587K	0.15%	Aug 10, 2026
SummitTX Capital, L.P.	New Buy	+$530K	$530K	0.01%	Aug 14, 2026
Lavelle Capital LP	New Buy	+$490K	$490K	0.21%	Jul 22, 2026
Yorktown Management & Research Co Inc	New Buy	+$414K	$414K	0.25%	Jul 23, 2026
Greenup Street Wealth Management LLC	New Buy	+$407K	$407K	0.05%	Jul 27, 2026
First Manhattan Co. LLC.	New Buy	+$403K	$403K	0.00%	Aug 14, 2026
Canada Pension Plan Investment Board	New Buy	+$396K	$396K	0.00%	Aug 14, 2026
Penn Capital Management Company, LLC	Added 2.59%	+$392K	$15.5M	0.99%	Jul 30, 2026
Harbour Capital Advisors, LLC	New Buy	+$361K	$361K	0.07%	Jul 15, 2026
Moneta Group Investment Advisors LLC	New Buy	+$293K	$293K	0.00%	Aug 14, 2026
Edmond de Rothschild Holding S.A.	New Buy	+$289K	$289K	0.00%	Aug 10, 2026
DSM Capital Partners LLC	New Buy	+$267K	$267K	0.00%	Aug 3, 2026
Thrive Wealth Management, LLC	New Buy	+$240K	$240K	0.03%	Jul 7, 2026
RiverPark Advisors, LLC	Added 285.17%	+$215K	$290K	0.13%	Jul 24, 2026
Gotham Asset Management, LLC	New Buy	+$214K	$214K	0.00%	Aug 14, 2026
Freestone Grove Partners LP	New Buy	+$184K	$184K	0.00%	Aug 14, 2026
Bamco Inc	Added 0.08%	+$72.9K	$89M	0.13%	Aug 14, 2026
Lanark Financial, Inc.	New Buy	+$67.5K	$67.5K	0.00%	Jul 21, 2026
Toth Financial Advisory Corp	New Buy	+$60K	$60K	0.01%	Jul 14, 2026
Renaissance Capital LLC	Added 23.14%	+$53.5K	$285K	0.16%	Aug 5, 2026
MCF Advisors LLC	Added 330.77%	+$41.3K	$53.8K	0.00%	Aug 12, 2026
Forum Finance Group S.A.	New Buy	+$29K	$29K	0.01%	Aug 14, 2026
Ensign Peak Advisors, Inc	Reduce 0.14%	-$8.88K	$6.17M	0.01%	Aug 14, 2026
Peterson Wealth Management	New Buy	+$5.64K	$5.64K	0.00%	Jul 30, 2026
Wolff Wiese Magana LLC	New Buy	+$4.8K	$4.8K	0.00%	Jul 13, 2026
Green Alpha Advisors, LLC	Added 0.56%	+$3.48K	$624K	0.42%	Aug 11, 2026
Bare Financial Services, Inc	New Buy	+$1.44K	$1.44K	0.00%	Jul 27, 2026
Quarry LP	New Buy	+$120	$120	0.00%	Aug 14, 2026