LAB · Standard Biotools Inc. · Shareholders & Ownership

$0.64 -0.01 (-0.93%) At close · Oct 20

Market Cap

$252.55M

392.58M

Volume · Oct 20 561.45K Avg daily vol (3M) 1.41M

Every disclosed holder of LAB in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns LAB

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	136	295,499,828	75.27%	Yes
Insiders (Forms 3, 4, 5)	8	11,859,882	3.02%	Yes
13D/G-only blocks	3	35,856,418	9.13%	Yes
Remaining	—	49,362,680	12.57%	Rest
Registered funds (N-PORT, not summed)	53	30,783,716	7.84%	No

Shares outstanding: 392,578,808, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of LAB

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	Casdin Partners Master Fund, L.P. Insider CIK 1534265 · Dec 4, 2025 10% Owner, issuer-wide, not summed	91,684,918	23.35%	+350,000	Dec 4, 2025	10% Owner, issuer-wide, not summed
2	Casdin Capital, LLC 13F CIK 1534261 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	88,783,856	22.62%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
3	Casdin Eli Insider CIK 1534264 · Jun 18, 2026 Director, 10% Owner, issuer-wide, not summed	75,153,169	19.14%	—	Jun 18, 2026	Director, 10% Owner, issuer-wide, not summed
4	VIKING GLOBAL INVESTORS LP 13F CIK 1103804 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	58,651,170	14.94%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
5	MAK CAPITAL ONE LLC 13F CIK 1385702 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	28,813,904	7.34%	+2,641,278	Jun 30, 2026	carried, not yet filed for the newest quarter
5.1	MAK CAPITAL ONE LLC 13G CIK 1385702 · Registered investment adviser · Jun 30, 2026 Rule 13d-1(c), passive investor, not summed	28,813,904	7.34%	—	Jun 30, 2026	Rule 13d-1(c), passive investor, not summed
6	MAK Capital Fund LP 13G CIK 1426156 · Unknown · Mar 31, 2026 Rule 13d-1(c), passive investor	26,172,626	6.67%	+6,205,061	Mar 31, 2026	Rule 13d-1(c), passive investor
7	Long Focus Capital Management, LLC 13F CIK 1602716 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	23,500,000	5.99%	+7,484,279	Jun 30, 2026	carried, not yet filed for the newest quarter
7.1	Long Focus Capital Management, LLC 13G CIK 1602716 · Registered investment adviser · Jun 30, 2026 Rule 13d-1(b), qualified institution, not summed	23,500,000	5.99%	—	Jun 30, 2026	Rule 13d-1(b), qualified institution, not summed
8	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	12,252,998	3.12%	-563,072	Jun 30, 2026	carried, not yet filed for the newest quarter
9	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	8,433,842	2.15%	-511,300	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
10	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	8,254,443	2.10%	-16,501,641	Jun 30, 2026	carried, not yet filed for the newest quarter
10.1	BlackRock, Inc. 13G CIK 2012383 · Holding company · Jun 30, 2026 Rule 13d-1(b), qualified institution, not summed	7,911,347	2.02%	-14,540,768	Jun 30, 2026	Rule 13d-1(b), qualified institution, not summed
10.2	iShares Biotechnology ETF Fund S000004350 · Registered fund · Jun 30, 2026 iShares Trust, not summed	2,648,825	0.67%	-98,731	Jun 30, 2026	iShares Trust, not summed
10.3	iShares Core S&P Total U.S. Stock Market ETF Fund S000004317 · Registered fund · Jun 30, 2026 iShares Trust, not summed	333,918	0.09%	+7,888	Jun 30, 2026	iShares Trust, not summed
10.4	iShares MSCI World Small-Cap ETF Fund S000091430 · Registered fund · May 31, 2026 iShares Trust, not summed	18,450	0.00%	-6,175	May 31, 2026	iShares Trust, not summed
11	Caligan Partners LP 13D CIK 1727492 · Registered investment adviser · Jan 5, 2024	7,042,413	1.79%	—	Jan 5, 2024
12	Egholm Michael Insider CIK 1559779 · Aug 20, 2026 Director, President & CEO, issuer-wide	6,137,704	1.56%	-97,627	Aug 20, 2026	Director, President & CEO, issuer-wide
13	Hollow Brook Wealth Management LLC 13F CIK 1455251 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	5,503,381	1.40%	-150,000	Jun 30, 2026	carried, not yet filed for the newest quarter
14	NEUBERGER BERMAN GROUP LLC 13F CIK 1465109 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	4,958,620	1.26%	+301,035	Jun 30, 2026	carried, not yet filed for the newest quarter
14.1	Neuberger Intrinsic Value Fund Fund S000028676 · Registered fund · May 31, 2026 NEUBERGER BERMAN EQUITY FUNDS, not summed	1,036,344	0.26%	-793	May 31, 2026	NEUBERGER BERMAN EQUITY FUNDS, not summed
15	Qube Research & Technologies Ltd 13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	4,820,463	1.23%	+4,116,056	Jun 30, 2026	carried, not yet filed for the newest quarter
16	ROYCE & ASSOCIATES LP 13F CIK 906304 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	4,525,333	1.15%	+1,519,804	Jun 30, 2026	carried, not yet filed for the newest quarter
16.1	Royce Micro-Cap Fund Fund S000009506 · Registered fund · Jun 30, 2026 ROYCE FUND, not summed	1,247,908	0.32%	+384,612	Jun 30, 2026	ROYCE FUND, not summed
16.2	Royce Capital Fund - Micro-Cap Portfolio Fund S000009496 · Registered fund · Jun 30, 2026 ROYCE CAPITAL FUND, not summed	406,372	0.10%	+131,268	Jun 30, 2026	ROYCE CAPITAL FUND, not summed
17	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	3,896,574	0.99%	-3,392,762	Jun 30, 2026	carried, not yet filed for the newest quarter
18	Tikvah Management LLC 13F CIK 1606477 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	3,551,058	0.90%	-94	Jun 30, 2026	carried, not yet filed for the newest quarter
19	MILLENNIUM MANAGEMENT LLC 13F CIK 1273087 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	3,512,665	0.89%	+1,410,650	Jun 30, 2026	carried, not yet filed for the newest quarter
20	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	3,420,285	0.87%	-120,769	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
21	ROYCE MICRO-CAP TRUST, INC. Fund · Registered fund · Jun 30, 2026 ROYCE MICRO-CAP TRUST, INC., not summed	2,871,053	0.73%	—	Jun 30, 2026	ROYCE MICRO-CAP TRUST, INC., not summed
21.1	Guggenheim Active Allocation Fund Fund · Registered fund · May 29, 2026 Guggenheim Active Allocation Fund, not summed	454	0.00%	—	May 29, 2026	Guggenheim Active Allocation Fund, not summed
22	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	2,831,668	0.72%	-55,478	Jun 30, 2026	carried, not yet filed for the newest quarter
22.1	Inception Portfolio Fund S000002825 · Registered fund · Jun 30, 2026 MORGAN STANLEY INSTITUTIONAL FUND INC, not summed	654,866	0.17%	0	Jun 30, 2026	MORGAN STANLEY INSTITUTIONAL FUND INC, not summed
23	D. E. Shaw & Co., Inc. 13F CIK 1009207 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	2,818,026	0.72%	+2,618,942	Jun 30, 2026	carried, not yet filed for the newest quarter
24	Indaba Capital Management, L.P. 13G CIK 1524362 · Investment adviser · Sep 30, 2024 Rule 13d-1(b), qualified institution	2,641,379	0.67%	-5,333,995	Sep 30, 2024	Rule 13d-1(b), qualified institution
25	Kim Hanjoon Alex Insider CIK 1919209 · Aug 20, 2026 Chief Financial Officer, issuer-wide	2,534,859	0.65%	-28,195	Aug 20, 2026	Chief Financial Officer, issuer-wide
26	JANE STREET GROUP, LLC 13F CIK 1595888 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	2,514,299	0.64%	+2,514,299	Jun 30, 2026	carried, not yet filed for the newest quarter
27	Peapod Lane Capital LLC 13F CIK 2050979 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,411,474	0.61%	+382,947	Jun 30, 2026	carried, not yet filed for the newest quarter
28	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,348,570	0.60%	+1,123,260	Jun 30, 2026	carried, not yet filed for the newest quarter
29	Mink Brook Asset Management LLC 13F CIK 2052205 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,190,973	0.56%	+2,190,973	Jun 30, 2026	carried, not yet filed for the newest quarter
30	Sone Capital Management, LLC 13F CIK 2026215 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,133,631	0.54%	+366,850	Jun 30, 2026	carried, not yet filed for the newest quarter
31	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 13F CIK 1164508 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,991,426	0.51%	+1,991,426	Jun 30, 2026	carried, not yet filed for the newest quarter
32	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	1,889,846	0.48%	-27,591	Jun 30, 2026	carried, not yet filed for the newest quarter
33	CHARLES SCHWAB INVESTMENT MANAGEMENT INC 13F CIK 884546 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,759,038	0.45%	-655,661	Jun 30, 2026	carried, not yet filed for the newest quarter
33.1	Schwab U.S. Small-Cap ETF Fund S000026636 · Registered fund · May 31, 2026 SCHWAB STRATEGIC TRUST, not summed	1,428,280	0.36%	-23,108	May 31, 2026	SCHWAB STRATEGIC TRUST, not summed
33.2	Schwab U.S. Broad Market ETF Fund S000026631 · Registered fund · May 31, 2026 SCHWAB STRATEGIC TRUST, not summed	181,462	0.05%	+2,874	May 31, 2026	SCHWAB STRATEGIC TRUST, not summed
33.3	Schwab Total Stock Market Index Fund Fund S000005913 · Registered fund · Jul 31, 2026 SCHWAB CAPITAL TRUST, not summed	150,000	0.04%	0	Jul 31, 2026	SCHWAB CAPITAL TRUST, not summed
34	JACOBS LEVY EQUITY MANAGEMENT, INC 13F CIK 884414 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,633,112	0.42%	+1,633,112	Jun 30, 2026	carried, not yet filed for the newest quarter
35	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	1,542,478	0.39%	-5,014,031	Jun 30, 2026	carried, not yet filed for the newest quarter
35.1	State Street Balanced Index Fund Fund S000082802 · Registered fund · Jun 30, 2026 STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed	2,078	0.00%	0	Jun 30, 2026	STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
36	Mackay Sean Insider CIK 1875501 · Aug 20, 2026 SVP & Chief Business Officer, issuer-wide	1,480,823	0.38%	-25,729	Aug 20, 2026	SVP & Chief Business Officer, issuer-wide
37	VANGUARD RUSSELL 2000 INDEX FUND Fund S000030003 · Registered fund · May 31, 2026 VANGUARD SCOTTSDALE FUNDS, not summed	1,480,014	0.38%	-6,447	May 31, 2026	VANGUARD SCOTTSDALE FUNDS, not summed
38	AQR CAPITAL MANAGEMENT LLC 13F CIK 1167557 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,359,018	0.35%	+425,920	Jun 30, 2026	carried, not yet filed for the newest quarter
39	Loews Corp 13F CIK 60086 · Insurance company · Jun 30, 2026 carried, not yet filed for the newest quarter	1,250,000	0.32%	+1,250,000	Jun 30, 2026	carried, not yet filed for the newest quarter
40	GSA CAPITAL PARTNERS LLP 13F CIK 1362033 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	1,187,682	0.30%	+834,211	Jun 30, 2026	carried, not yet filed for the newest quarter
41	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	992,058	0.25%	+992,058	Jun 30, 2026	carried, not yet filed for the newest quarter
42	STALEY CAPITAL ADVISERS INC 13F CIK 1106565 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	800,000	0.20%	+167,608	Jun 30, 2026	carried, not yet filed for the newest quarter
43	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	791,526	0.20%	-1,662,709	Jun 30, 2026	carried, not yet filed for the newest quarter
44	Man Group plc 13F CIK 1637460 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	742,793	0.19%	+742,793	Jun 30, 2026	carried, not yet filed for the newest quarter
45	VANGUARD HEALTH CARE INDEX FUND Fund S000004450 · Registered fund · May 31, 2026 VANGUARD WORLD FUND, not summed	741,244	0.19%	-6,293	May 31, 2026	VANGUARD WORLD FUND, not summed
46	Point72 Asset Management, L.P. 13F CIK 1603466 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	707,991	0.18%	+663,270	Jun 30, 2026	carried, not yet filed for the newest quarter
47	VANGUARD PORTFOLIO MANAGEMENT LLC 13F CIK 2100121 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	674,733	0.17%	-1,719,667	Jun 30, 2026	carried, not yet filed for the newest quarter
48	Aster Capital Management (DIFC) Ltd 13F CIK 2040915 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	541,130	0.14%	+541,130	Jun 30, 2026	carried, not yet filed for the newest quarter
49	EQ/Morgan Stanley Small Cap Growth Portfolio Fund S000044689 · Registered fund · Jun 30, 2026 EQ Advisors Trust, not summed	503,509	0.13%	0	Jun 30, 2026	EQ Advisors Trust, not summed
50	Cox Troy Insider CIK 1696923 · Jun 18, 2026 Director, issuer-wide	475,702	0.12%	+99,116	Jun 18, 2026	Director, issuer-wide

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 173 holders

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Key facts CIK 1162194 CUSIP 34385P108 13F (30d) 4 filings 4 filers Visit website Investor relations