BLLN · BillionToOne, Inc.

$99.39 -0.11 (-0.11%) At close · Sep 4

Market Cap

$4.69B

47.19M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 157

Total Value: $1,851,281,735

Total Shares: 15,430,220

Showing 1–100 of 162 holdings by value · page 1 of 2

Institutional Ownership Trend

3 quarters

Superinvestors Holding BLLN

All superinvestors →

Joel Greenblatt $213,804

Holder Concentration

Across 157 13F filers · Δ vs Mar 31, 2026

Top Holder

11.1%

−3.9 pts

Top 5

34.3%

−14.3 pts

Top 10

55.4%

−13.3 pts

HHI

411

Broadly held−240

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +66

Institutional value: +105.6%

Shares held: +35.3%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	+689,757	840,970
Mega VANGUARD CAPITAL MANAGEMENT LLC	+617,005	799,468
Mega Invesco Ltd.	+429,102	835,614
Mid NEXT CENTURY GROWTH INVESTORS LLC	+273,903	364,467
Mega PRICE T ROWE ASSOCIATES INC /MD/	+272,804	1,010,322

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Micro Civilization Ventures Management, LLC	−1,099,343	88
Mega BAILLIE GIFFORD & CO	−358,573	901,420
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/	−80,596	78,977
Mega TWO SIGMA INVESTMENTS, LP	−52,600	30,176
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	−16,654	223,933

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega MILLENNIUM MANAGEMENT LLC	425,032	$50,995,339
Large FULLER & THALER ASSET MANAGEMENT, INC.	418,565	$50,219,428
Mid OBERWEIS ASSET MANAGEMENT INC/	299,030	$35,877,619
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC	117,063	$14,045,218
Large FRED ALGER MANAGEMENT, LLC	114,123	$13,692,477

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Small NVP ASSOCIATES, LLC	513,330	$40,522,270
Mega Capital International Investors	178,000	$14,051,320
Mid PFM Health Sciences, LP	88,069	$6,952,166
Mid Deep Track Capital, LP	50,000	$3,947,000
Large NOMURA HOLDINGS INC	31,500	$2,486,610

Filter: New 77 Increased 51 Reduced 13 Sold out 11 Unchanged 16

Showing 100 of 162

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

ADAMS STREET PARTNERS LLC

$205,337,371

11.09%

1,711,430

PRICE T ROWE ASSOCIATES INC /MD/

$121,218,432

6.55%

1,010,322

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	6,218	$746,035	0.6%	Defined
Held directly	1,004,104	$120,472,397	99.4%	Sole

BAILLIE GIFFORD & CO

$108,152,369

5.84%

901,420

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BAILLIE GIFFORD & CO LTD	61,981	$7,436,480	6.9%	Defined
BAILLIE GIFFORD OVERSEAS LTD	31,676	$3,800,486	3.5%	Defined
Baillie Gifford Investment Management (Europe) Ltd	61,379	$7,364,252	6.8%	Defined
Baillie Gifford International LLC	281,806	$33,811,083	31.3%	Defined
Held directly	464,578	$55,740,068	51.5%	Sole

VANGUARD PORTFOLIO MANAGEMENT LLC

$100,899,580

5.45%

840,970

Invesco Ltd.

$100,256,967

5.42%

835,614

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc.	835,614	$100,256,967	100.0%	Defined

VANGUARD CAPITAL MANAGEMENT LLC

$95,920,170

5.18%

799,468

NEUBERGER BERMAN GROUP LLC

$91,690,515

4.95%

764,215

BAMCO INC /NY/

$89,036,318

4.81%

742,093

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARON CAPITAL MANAGEMENT INC /NY/ joint	742,093	$89,036,318	100.0%	Defined

WASATCH ADVISORS LP

$62,159,718

3.36%

518,084

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	518,084	$62,159,718	100.0%	Sole

MILLENNIUM MANAGEMENT LLC

$50,995,339

2.75%

425,032

FULLER & THALER ASSET MANAGEMENT, INC.

$50,219,428

2.71%

418,565

EMERALD ADVISERS, LLC

$45,095,442

2.44%

375,858

NEXT CENTURY GROWTH INVESTORS LLC

$43,728,750

2.36%

364,467

UBS Group AG

$41,307,552

2.23%

344,287

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	58,335	$6,999,033	16.9%	Defined
UBS AG	218,387	$26,202,072	63.4%	Defined
UBS Switzerland AG	67,565	$8,106,447	19.6%	Defined

JPMORGAN CHASE & CO

$40,837,710

2.21%

340,371

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	5,032	$603,739	1.5%	Defined
J.P. Morgan Investment Management Inc.	220,999	$26,515,460	64.9%	Defined
J.P. Morgan Securities LLC	39,325	$4,718,212	11.6%	Defined
JPMorgan Asset Management (UK) Ltd	72,599	$8,710,428	21.3%	Defined
55I, LLC	2,416	$289,871	0.7%	Other

AMERIPRISE FINANCIAL INC

$38,467,026

2.08%

320,612

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Columbia Management Investment Advisers, LLC joint	297,601	$35,706,167	92.8%	Defined
Ameriprise Trust Co	7,279	$873,334	2.3%	Defined
Ameriprise Financial Services, LLC	15,732	$1,887,525	4.9%	Defined

OBERWEIS ASSET MANAGEMENT INC/

$35,877,619

1.94%

299,030

WELLS FARGO & COMPANY/MN

$32,581,046

1.76%

271,554

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	756	$90,704	0.3%	Defined
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	14,003	$1,680,079	5.2%	Defined
WELLS FARGO CLEARING SERVICES, LLC	130	$15,597	0.0%	Defined
Held directly	256,665	$30,794,666	94.5%	Defined

ALLIANCEBERNSTEIN L.P.

$31,447,117

1.70%

262,103

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	262,103	$31,447,117	100.0%	Defined

Napean Trading & Investment Co (Singapore) PTE Ltd

$27,995,293

1.51%

233,333

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

$26,867,479

1.45%

223,933

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Asset Management Switzerland AG	58,009	$6,959,919	25.9%	Sole
Held directly	165,924	$19,907,560	74.1%	Other

EMERALD MUTUAL FUND ADVISERS TRUST

$24,474,720

1.32%

203,990

Penn Capital Management Company, LLC

$15,549,647

0.84%

129,602

BNP PARIBAS ARBITRAGE, SA

$14,700,789

0.79%

122,527

GOLDMAN SACHS GROUP INC

$14,436,593

0.78%

120,325

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	92,999	$11,158,020	77.3%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	27,326	$3,278,573	22.7%	Defined

NEW YORK STATE COMMON RETIREMENT FUND

$14,130,164

0.76%

117,771

VOLORIDGE INVESTMENT MANAGEMENT, LLC

$14,045,218

0.76%

117,063

BlackRock, Inc.

$13,711,434

0.74%

114,281

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Fund Advisors	31,742	$3,808,405	27.8%	Sole
BlackRock Institutional Trust Company, N.A.	82,539	$9,903,029	72.2%	Sole

FRED ALGER MANAGEMENT, LLC

$13,692,477

0.74%

114,123

RENAISSANCE TECHNOLOGIES LLC

$11,590,068

0.63%

96,600

T. Rowe Price Investment Management, Inc.

$11,152,980

0.60%

92,957

GEODE CAPITAL MANAGEMENT, LLC

$10,550,321

0.57%

87,934

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	10,295	$1,235,194	11.7%	Defined
Held directly	77,639	$9,315,127	88.3%	Defined

PERCEPTIVE ADVISORS LLC

$10,415,703

0.56%

86,812

LORD, ABBETT & CO. LLC

$10,353,434

0.56%

86,293

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND

$9,994,334

0.54%

83,300

HRT FINANCIAL LP

$9,683,465

0.52%

80,709

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

$9,475,659

0.51%

78,977

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MFS Heritage Trust CO	1,106	$132,697	1.4%	Defined
Held directly	77,871	$9,342,962	98.6%	Sole

Greenwich Wealth Management LLC

$8,593,567

0.46%

71,625

Blue Water Life Science Advisors, LP

$8,398,600

0.45%

70,000

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$7,738,710

0.42%

64,500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	64,500	$7,738,710	100.0%	Other

TD Asset Management Inc

$7,616,570

0.41%

63,482

BANK OF AMERICA CORP /DE/

$7,083,618

0.38%

59,040

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	35,050	$4,205,299	59.4%	Defined
MANAGED ACCOUNT ADVISORS LLC joint	23,990	$2,878,319	40.6%	Defined

Verition Fund Management LLC

$6,838,860

0.37%

57,000

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$6,550,667

0.35%

54,598

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	39,518	$4,741,369	72.4%	Other
G1 EXECUTION SERVICES, LLC	15,080	$1,809,298	27.6%	Other

Ensign Peak Advisors, Inc

$6,170,211

0.33%

51,427

Jump Financial, LLC

$5,555,074

0.30%

46,300

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Leap GP LLC joint	46,300	$5,555,074	100.0%	Defined

MARSHALL WACE, LLP

$5,358,545

0.29%

44,662

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	44,662	$5,358,545	100.0%	Other

Fox Hill Wealth Management

$5,246,005

0.28%

43,724

F/m Investments LLC

$5,231,128

0.28%

43,600

Weiss Asset Management LP

$5,165,978

0.28%

43,057

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WEISS ANDREW M joint	43,057	$5,165,978	100.0%	Defined

VANGUARD FIDUCIARY TRUST CO

$5,144,022

0.28%

42,874

MANUFACTURERS LIFE INSURANCE COMPANY, THE

$5,002,806

0.27%

41,697

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MANULIFE FINANCIAL CORP joint	41,697	$5,002,806	100.0%	Defined

REGENTS OF THE UNIVERSITY OF CALIFORNIA

$4,902,742

0.26%

40,863

STATE STREET CORP

$4,285,445

0.23%

35,718

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	35,718	$4,285,445	100.0%	Defined

Universal- Beteiligungs- und Servicegesellschaft mbH

$3,903,189

0.21%

32,532

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Universal-Investment Ireland Fund Management Ltd. joint	32,532	$3,903,189	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$3,620,516

0.20%

30,176

Russell Investments Group, Ltd.

$3,488,296

0.19%

29,074

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	14,238	$1,708,275	49.0%	Defined
Russell Investments Capital, LLC	3,596	$431,448	12.4%	Defined
Russell Investments France SAS	2,702	$324,185	9.3%	Defined
Russell Investments Limited	2,634	$316,027	9.1%	Defined
Russell Investments Trust Company	5,904	$708,361	20.3%	Defined

Trexquant Investment LP

$3,372,037

0.18%

28,105

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$3,251,458

0.18%

27,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	27,100	$3,251,458	100.0%	Other

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$3,192,907

0.17%

26,612

D. E. Shaw & Co., Inc.

$3,117,200

0.17%

25,981

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	25,981	$3,117,200	100.0%	Defined

SEVEN GRAND MANAGERS, LLC

$2,999,500

0.16%

25,000

ROYAL BANK OF CANADA

$2,994,939

0.16%

24,962

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	24,507	$2,940,349	98.2%	Defined
RBC Dominion Securities Inc.	455	$54,590	1.8%	Defined

Quantbot Technologies LP

$2,957,626

0.16%

24,651

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	24,651	$2,957,626	100.0%	Sole

OpenArc Corporate Advisory, LLC

$2,937,350

0.16%

24,482

JANE STREET GROUP, LLC

$2,759,540

0.15%

23,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	23,000	$2,759,540	100.0%	Defined

CITADEL ADVISORS LLC

$2,591,568

0.14%

21,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	21,600	$2,591,568	100.0%	Defined

TUDOR INVESTMENT CORP ET AL

$2,581,609

0.14%

21,517

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$2,566,492

0.14%

21,391

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	21,391	$2,566,492	100.0%	Defined

One Wealth Advisors, LLC

$2,392,641

0.13%

19,942

MORGAN STANLEY

$2,210,148

0.12%

18,421

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	352	$42,232	1.9%	Defined
MORGAN STANLEY & CO. LLC	2,186	$262,276	11.9%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	6,964	$835,540	37.8%	Defined
MORGAN STANLEY SMITH BARNEY LLC	7,360	$883,052	40.0%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	1,559	$187,048	8.5%	Defined

XTX Topco Ltd

$2,177,876

0.12%

18,152

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	18,152	$2,177,876	100.0%	Defined

FIRST TRUST ADVISORS LP

$2,099,410

0.11%

17,498

BARCLAYS PLC

$2,093,171

0.11%

17,446

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	17,446	$2,093,171	100.0%	Defined

POLEN CAPITAL MANAGEMENT LLC

$2,036,660

0.11%

16,975

CITADEL ADVISORS LLC

$1,818,296

0.10%

15,155

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	13,286	$1,594,054	87.7%	Defined
Held directly	1,869	$224,242	12.3%	Defined

Vontobel Holding Ltd.

$1,814,457

0.10%

15,123

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK VONTOBEL AG	15,123	$1,814,457	100.0%	Defined

Scientech Research LLC

$1,738,510

0.09%

14,490

DEUTSCHE BANK AG\

$1,636,527

0.09%

13,640

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	13,640	$1,636,527	100.0%	Defined

OSAIC HOLDINGS, INC.

$1,624,048

0.09%

13,536

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	13,426	$1,610,851	99.2%	Defined
Osaic Advisory Services, LLC	110	$13,197	0.8%	Defined

SIERRA SUMMIT ADVISORS LLC

$1,429,081

0.08%

11,911

Caerus Investment Advisors, LLC

$1,374,130

0.07%

11,453

Bellevue Group AG

$1,266,268

0.07%

10,554

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Bellevue Asset Management AG	10,554	$1,266,268	100.0%	Defined

SEI INVESTMENTS CO

$1,150,488

0.06%

9,589

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI TRUST CO	9,589	$1,150,488	100.0%	Sole

Cresset Asset Management, LLC

$1,095,297

0.06%

9,129

JANE STREET GROUP, LLC

$1,091,818

0.06%

9,100

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	9,100	$1,091,818	100.0%	Defined

Squarepoint Ops LLC

$1,052,584

0.06%

8,773

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	8,773	$1,052,584	100.0%	Defined

CreativeOne Wealth, LLC

$956,720

0.05%

7,974

FIFTH THIRD BANCORP

$901,049

0.05%

7,510

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fifth Third Bank, National Association	7,510	$901,049	100.0%	Defined

BLAIR WILLIAM & CO/IL

$837,220

0.05%

6,978

LPL Financial LLC

$815,264

0.04%

6,795

Entropy Technologies, LP

$803,866

0.04%

6,700

Steward Partners Investment Advisory, LLC

$777,470

0.04%

6,480

GSA CAPITAL PARTNERS LLP

$744,235

0.04%

6,203

CITADEL ADVISORS LLC

$743,876

0.04%

6,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	6,200	$743,876	100.0%	Defined

TWO SIGMA SECURITIES, LLC

$718,920

0.04%

5,992

BRANDYWINE MANAGERS, LLC

$689,885

0.04%

5,750

CERTUITY, LLC

$640,933

0.03%

5,342

Green Alpha Advisors, LLC

$623,536

0.03%

5,197

Jasper Ridge Partners, L.P.

$615,137

0.03%

5,127

Key facts CIK 2070849 CUSIP 090168105 13F (30d) 120 filings 120 filers Visit website Investor relations