LAB · Standard Biotools Inc.

$0.67 +0.03 (+4.35%) At close · Aug 31

Market Cap

$252.00M

392.58M

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.

Quarter:

Holders: 143

Total Value: $242,902,977

Total Shares: 296,223,255

Showing 1–100 of 147 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Superinvestors Holding LAB

All superinvestors →

Andreas Halvorsen $48,093,959

Holder Concentration

Across 143 13F filers · Δ vs Mar 31, 2026

Top Holder

30.0%

+0.1 pts

Top 5

71.6%

−0.5 pts

Top 10

81.0%

−3.5 pts

HHI

1,497

Broadly held−5

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -13

Institutional value: -11.2%

Shares held: -0.4%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mid Long Focus Capital Management, LLC	+7,484,279	23,500,000
Mega Qube Research & Technologies Ltd	+4,116,056	4,820,463
Small MAK CAPITAL ONE LLC	+2,641,278	28,813,904
Mega D. E. Shaw & Co., Inc.	+2,618,942	2,818,026
Large ROYCE & ASSOCIATES LP	+1,519,804	4,525,333

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega BlackRock, Inc.	−16,501,641	8,254,443
Mega STATE STREET CORP	−5,014,031	1,542,478
Mega GEODE CAPITAL MANAGEMENT, LLC	−3,392,762	3,896,574
Mega BARCLAYS PLC	−2,574,050	43,919
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	−1,719,667	674,733

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega JANE STREET GROUP, LLC	2,528,199	$2,073,122
Small Mink Brook Asset Management LLC	2,190,973	$1,796,597
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	1,991,426	$1,632,969
Large JACOBS LEVY EQUITY MANAGEMENT, INC	1,633,112	$1,339,151
Large Loews Corp	1,250,000	$1,025,000

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid Slate Path Capital LP	1,615,000	$1,485,800
Mega Nuveen, LLC	661,204	$608,306
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	519,783	$478,198
Mega Swiss National Bank	489,660	$450,487
Mega ALLIANCEBERNSTEIN L.P.	315,690	$290,434

Filter: New 42 Increased 47 Reduced 36 Sold out 55 Unchanged 18

Showing 100 of 147

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Casdin Capital, LLC

$72,802,761

29.97%

88,783,856

VIKING GLOBAL INVESTORS LP

$48,093,959

19.80%

58,651,170

MAK CAPITAL ONE LLC

$23,627,401

9.73%

28,813,904

Long Focus Capital Management, LLC

$19,270,000

7.93%

23,500,000

VANGUARD CAPITAL MANAGEMENT LLC

$10,047,458

4.14%

12,252,998

BlackRock, Inc.

$6,768,641

2.79%

8,254,443

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

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	137,734	$112,941	1.7%	Sole
BlackRock Investment Management, LLC	26	$21	0.0%	Sole
BlackRock Fund Advisors	3,010,743	$2,468,809	36.5%	Sole
BlackRock Institutional Trust Company, N.A.	4,615,455	$3,784,673	55.9%	Sole
BlackRock Asset Management Ireland Ltd	417,691	$342,506	5.1%	Sole
Aperio Group, LLC	72,794	$59,691	0.9%	Sole

Hollow Brook Wealth Management LLC

$4,512,772

1.86%

5,503,381

NEUBERGER BERMAN GROUP LLC

$4,066,068

1.67%

4,958,620

Qube Research & Technologies Ltd

$3,952,779

1.63%

4,820,463

ROYCE & ASSOCIATES LP

$3,710,773

1.53%

4,525,333

GEODE CAPITAL MANAGEMENT, LLC

$3,195,189

1.32%

3,896,574

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	688,240	$564,356	17.7%	Defined
Held directly	3,208,334	$2,630,833	82.3%	Defined

Tikvah Management LLC

$2,911,867

1.20%

3,551,058

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

Manager	Shares	Value (USD)	% of position	Discretion
Simcah Management LLC	3,551,058	$2,911,867	100.0%	Defined

MILLENNIUM MANAGEMENT LLC

$2,880,385

1.19%

3,512,665

MORGAN STANLEY

$2,321,964

0.96%

2,831,668

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	22,763	$18,665	0.8%	Defined
MORGAN STANLEY & CO. LLC	27,289	$22,376	1.0%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	136,522	$111,948	4.8%	Defined
MORGAN STANLEY INVESTMENT MANAGEMENT INC	2,632,054	$2,158,284	93.0%	Defined
MORGAN STANLEY SMITH BARNEY LLC	9,729	$7,977	0.3%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	3,311	$2,714	0.1%	Defined

D. E. Shaw & Co., Inc.

$2,310,781

0.95%

2,818,026

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.	1,699,011	$1,393,189	60.3%	Defined
D. E. Shaw Investment Management, L.L.C. joint	1,119,015	$917,592	39.7%	Defined

JANE STREET GROUP, LLC

$2,061,724

0.85%

2,514,299

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	541,408	$443,954	21.5%	Defined
Jane Street Global Trading, LLC	1,972,891	$1,617,770	78.5%	Defined

Peapod Lane Capital LLC

$1,977,408

0.81%

2,411,474

CITADEL ADVISORS LLC

$1,925,827

0.79%

2,348,570

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	2,348,570	$1,925,827	100.0%	Defined

Mink Brook Asset Management LLC

$1,796,597

0.74%

2,190,973

Sone Capital Management, LLC

$1,749,577

0.72%

2,133,631

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

$1,632,969

0.67%

1,991,426

VANGUARD FIDUCIARY TRUST CO

$1,549,673

0.64%

1,889,846

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$1,442,411

0.59%

1,759,038

JACOBS LEVY EQUITY MANAGEMENT, INC

$1,339,151

0.55%

1,633,112

STATE STREET CORP

$1,264,831

0.52%

1,542,478

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	1,542,478	$1,264,831	100.0%	Defined

AQR CAPITAL MANAGEMENT LLC

$1,114,391

0.46%

1,359,018

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

Manager	Shares	Value (USD)	% of position	Discretion
Petros Family Wealth, LLC	50	$41	0.0%	Other
KEB ASSET MANAGEMENT, LLC	13	$10	0.0%	Other
RF&L WEALTH MANAGEMENT, LLC	94	$77	0.0%	Other
Prism Planning Partners LLC	386	$316	0.0%	Other
Compound Planning, Inc.	18	$14	0.0%	Other
Arax Advisory Partners	11,286	$9,254	0.8%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	11,746	$9,631	0.9%	Other
Stokes Family Office, LLC	4,633	$3,799	0.3%	Other
Held directly	1,330,792	$1,091,249	97.9%	Defined

Loews Corp

$1,025,000

0.42%

1,250,000

GSA CAPITAL PARTNERS LLP

$973,899

0.40%

1,187,682

RENAISSANCE TECHNOLOGIES LLC

$813,487

0.33%

992,058

STALEY CAPITAL ADVISERS INC

$656,000

0.27%

800,000

NORTHERN TRUST CORP

$649,049

0.27%

791,526

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

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	728,741	$597,566	92.1%	Defined
NORTHERN TRUST GLOBAL INVESTMENTS LTD	62,785	$51,483	7.9%	Defined

Man Group plc

$609,090

0.25%

742,793

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

Manager	Shares	Value (USD)	% of position	Discretion
Numeric Investors LLC	742,793	$609,090	100.0%	Defined

Point72 Asset Management, L.P.

$580,552

0.24%

707,991

VANGUARD PORTFOLIO MANAGEMENT LLC

$553,281

0.23%

674,733

Aster Capital Management (DIFC) Ltd

$443,726

0.18%

541,130

Jain Global LLC

$383,199

0.16%

467,317

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$356,122

0.15%

434,296

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	434,296	$356,122	100.0%	Other

Rockefeller Capital Management L.P.

$351,377

0.14%

428,510

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

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER & CO. LLC	3,290	$2,697	0.8%	Defined
ROCKEFELLER FINANCIAL LLC	425,220	$348,680	99.2%	Defined

UBS Group AG

$349,300

0.14%

425,977

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	26,113	$21,412	6.1%	Defined
UBS AG	41,100	$33,702	9.6%	Defined
UBS Switzerland AG	6,964	$5,710	1.6%	Defined
UBS Europe SE	351,800	$288,476	82.6%	Defined

Sumitomo Mitsui Trust Group, Inc.

$338,076

0.14%

412,288

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

Manager	Shares	Value (USD)	% of position	Discretion
Amova Asset Management Co., Ltd.	412,288	$338,076	100.0%	Defined

Amova Asset Management Americas, Inc.

$338,076

0.14%

412,288

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

Manager	Shares	Value (USD)	% of position	Discretion
Sumitomo Mitsui Trust Group, Inc. joint	412,288	$338,076	100.0%	Sole

Intellectus Partners, LLC

$331,855

0.14%

404,702

HighTower Advisors, LLC

$291,576

0.12%

355,581

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$269,413

0.11%

328,553

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	328,553	$269,413	100.0%	Defined

OPPENHEIMER & CO INC

$267,812

0.11%

326,600

Marquette Asset Management, LLC

$266,782

0.11%

325,345

JOHNSON & JOHNSON

$255,812

0.11%

311,967

Susquehanna Portfolio Strategies, LLC

$239,040

0.10%

291,513

XTX Topco Ltd

$227,817

0.09%

277,826

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	277,826	$227,817	100.0%	Defined

Squarepoint Ops LLC

$227,447

0.09%

277,375

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

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	277,375	$227,447	100.0%	Defined

HSBC HOLDINGS PLC

$222,648

0.09%

271,523

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

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	271,523	$222,648	100.0%	Defined

Y-Intercept (Hong Kong) Ltd

$215,883

0.09%

263,273

BANK OF AMERICA CORP /DE/

$200,148

0.08%

244,084

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

Manager	Shares	Value (USD)	% of position	Discretion
BOFA SECURITIES, INC.	230,004	$188,603	94.2%	Defined
MERRILL LYNCH INTERNATIONAL	14,080	$11,545	5.8%	Defined

Brevan Howard Capital Management LP

$198,702

0.08%

242,320

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

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	242,320	$198,702	100.0%	Defined

QVIDTVM Management LLC

$182,040

0.07%

222,000

Invesco Ltd.

$181,962

0.07%

221,906

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

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Capital Management LLC	221,906	$181,962	100.0%	Defined

GOLDMAN SACHS GROUP INC

$177,465

0.07%

216,422

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	35,472	$29,087	16.4%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	157,896	$129,474	73.0%	Defined
Goldman Sachs Trust Company, N.A.	23,054	$18,904	10.7%	Defined

IEQ CAPITAL, LLC

$163,888

0.07%

199,864

PRIMECAP MANAGEMENT CO/CA/

$125,766

0.05%

153,374

Vanguard Global Advisers, LLC

$106,044

0.04%

129,323

Evercore Wealth Management, LLC

$102,500

0.04%

125,000

Schonfeld Strategic Advisors LLC

$97,283

0.04%

118,639

Catalyst Funds Management Pty Ltd

$90,851

0.04%

110,795

AMERIPRISE FINANCIAL INC

$85,939

0.04%

104,805

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	96,810	$79,384	92.4%	Defined
Ameriprise Financial Services, LLC	7,995	$6,555	7.6%	Defined

MERCER GLOBAL ADVISORS INC /ADV

$83,132

0.03%

101,381

RHUMBLINE ADVISERS

$80,669

0.03%

98,378

Virtu Financial LLC

$79,705

0.03%

97,202

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	97,202	$79,705	100.0%	Defined

Mariner, LLC

$75,060

0.03%

91,537

Bank of New York Mellon Corp

$74,030

0.03%

90,282

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

Manager	Shares	Value (USD)	% of position	Discretion
The Bank of New York Mellon	90,280	$74,029	100.0%	Defined
Held directly	2	$1	0.0%	Defined

Creative Planning

$65,871

0.03%

80,331

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

Manager	Shares	Value (USD)	% of position	Discretion
CREATIVE PLANNING TRUST Co LLC	18,487	$15,159	23.0%	Defined
Held directly	61,844	$50,712	77.0%	Sole

State of Wyoming

$61,720

0.03%

75,269

BOOTHBAY FUND MANAGEMENT, LLC

$58,023

0.02%

70,760

Engineers Gate Manager LP

$56,305

0.02%

68,665

Hudson Bay Capital Management LP

$52,512

0.02%

64,040

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

Manager	Shares	Value (USD)	% of position	Discretion
Hudson Bay Capital UK LLP	64,040	$52,512	100.0%	Defined

PRUDENTIAL FINANCIAL INC

$49,463

0.02%

60,321

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

Manager	Shares	Value (USD)	% of position	Discretion
PGIM Quantitative Solutions LLC	60,321	$49,463	100.0%	Defined

SG Americas Securities, LLC

$46,399

0.02%

56,585

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$45,920

0.02%

56,000

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	56,000	$45,920	100.0%	Other

ACADIAN ASSET MANAGEMENT LLC

$43,799

0.02%

53,414

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

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	53,414	$43,799	100.0%	Defined

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO

$42,558

0.02%

51,900

Cerity Partners LLC

$40,981

0.02%

49,980

Focus Partners Wealth

$38,183

0.02%

46,565

BARCLAYS PLC

$36,012

0.01%

43,919

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	27,574	$22,610	62.8%	Defined
BARCLAYS CAPITAL INC.	16,345	$13,402	37.2%	Defined

VICTORY CAPITAL MANAGEMENT INC

$35,592

0.01%

43,405

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO

$34,924

0.01%

42,591

WEALTH ENHANCEMENT ADVISORY SERVICES, LLC

$34,513

0.01%

42,090

Balyasny Asset Management L.P.

$31,598

0.01%

38,535

NEEDHAM INVESTMENT MANAGEMENT LLC

$28,236

0.01%

34,435

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

Manager	Shares	Value (USD)	% of position	Discretion
NEEDHAM EMERGING GROWTH PARTNERS LP	27,350	$22,427	79.4%	Defined
Held directly	7,085	$5,809	20.6%	Sole

Atom Investors LP

$24,252

0.01%

29,576

CAPTRUST FINANCIAL ADVISORS

$23,568

0.01%

28,742

EverSource Wealth Advisors, LLC

$22,802

0.01%

27,810

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

Manager	Shares	Value (USD)	% of position	Discretion
BMSS Wesson Wealth Solutions, LLC	32	$26	0.1%	Sole
Held directly	27,778	$22,776	99.9%	Sole

ExodusPoint Capital Management, LP

$22,030

0.01%

26,867

Platform Technology Partners

$20,500

0.01%

25,000

Corient Private Wealth LLC

$20,286

0.01%

24,740

SEI INVESTMENTS CO

$19,711

0.01%

24,039

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

Manager	Shares	Value (USD)	% of position	Discretion
SEI INVESTMENTS MANAGEMENT CORP	24,039	$19,711	100.0%	Sole

CITIGROUP INC

$19,189

0.01%

23,402

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

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	23,402	$19,189	100.0%	Defined

BRIGHTON JONES LLC

$17,994

0.01%

21,944

Laurion Capital Management LP

$17,893

0.01%

21,821

Connor, Clark & Lunn Investment Management Ltd.

$17,063

0.01%

20,809

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

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	20,809	$17,063	100.0%	Sole

ROYAL BANK OF CANADA

$15,456

0.01%

18,851

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	118	$96	0.6%	Defined
RBC Capital Markets, LLC	17,762	$14,564	94.2%	Defined
RBC Dominion Securities Inc.	560	$459	3.0%	Defined
Held directly	411	$337	2.2%	Sole

Jefferies Financial Group Inc.

$14,493

0.01%

17,675

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

Manager	Shares	Value (USD)	% of position	Discretion
JEFFERIES LLC	17,675	$14,493	100.0%	Defined

Key facts CIK 1162194 CUSIP 34385P108 13F (30d) 131 filings 127 filers Visit website Investor relations