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Standard Biotools Inc.

LAB
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001162194

In the last 90 days, Standard Biotools Inc. insiders filed 1 open-market purchase and 0 sales; 143 institutions reported holding it in 13F filings for Q2 2026, worth $243.6M in total; Viking Global Investors is the only superinvestor holding it.

Holders of 5% or more of LAB

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Standard Biotools Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of LAB
HolderLatest formStakeChangeFirst filedLatest filingFiling
Casdin Capital, LLC13D/A23.90%93.8M shares−0.30 ppfrom 24.20%Apr 8, 20229 filingsJun 9, 2026SEC
Viking Global Investors LPSuperinvestorViking Global Investors13D15.00%58.7M shares0.00 ppfrom 15.00%Apr 14, 20228 filingsJun 12, 2026SEC
Mak Capital One LLC13G/A7.30%28.8M shares–Aug 14, 20261 filingAug 14, 2026SEC
MAK Capital Fund LP13G/A6.70%26.2M shares+1.51 ppfrom 5.19%Jan 7, 20262 filingsMay 15, 2026SEC
Long Focus Capital Management, LLC13G6.00%23.5M sharesNewAug 14, 20261 filingAug 14, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

63 Schedule 13D and 13G filings on Standard Biotools Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on LAB
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 14, 20264:37 PM ETMak Capital One LLCand 2 others13G/A7.30%28.8M shares–Jun 30, 2026SEC
Aug 14, 20266:05 AM ETLong Focus Capital Management, LLCand 1 other13G6.00%23.5M sharesNewJun 30, 2026SEC
Jul 30, 202611:18 AM ETBlackRock, Inc.13G/A2.00%7.91M shares–Below 5%Jun 30, 2026SEC
Jun 12, 20265:35 PM ETViking Global Investors LPand 9 othersSuperinvestorViking Global Investors13D15.00%58.7M shares0.00 ppfrom 15.00%Jun 6, 2026SEC
Jun 9, 20265:41 PM ETCasdin Capital, LLCand 5 others13D/A23.90%93.8M shares−0.30 ppfrom 24.20%Jun 6, 2026SEC
May 15, 20266:12 PM ETMAK Capital Fund LPand 2 others13G/A6.70%26.2M shares+1.51 ppfrom 5.19%Mar 31, 2026SEC
May 15, 20265:48 PM ETViking Global Investors LPand 9 othersSuperinvestorViking Global Investors13G/A15.00%58.7M shares–Mar 31, 2026SEC
Jan 7, 20265:42 PM ETMAK Capital Fund LPand 2 others13G5.19%20.0M sharesNewDec 31, 2025SEC
Nov 28, 20255:33 PM ETCasdin Capital, LLCand 5 others13D/A24.20%93.4M shares+2.60 ppfrom 21.60%Nov 25, 2025SEC
Mar 4, 20257:46 PM ETCasdin Capital, LLCand 5 others13D/A21.60%80.9M shares–Feb 28, 2025SEC
Nov 14, 2024Indaba Capital Management, L.P.13G/AOld format–––SEC
Nov 12, 2024Vanguard Group Inc13G/AOld format–––SEC
Nov 8, 2024BlackRock, Inc.13GOld format–––SEC
Nov 4, 2024Vanguard Group Inc13G/AOld format–––SEC
Oct 24, 2024BlackRock, Inc.13GOld format–New–SEC
Oct 21, 2024Millennium Management LLC13G/AOld format–––SEC
Aug 14, 2024Casdin Capital, LLC13D/AOld format–––SEC
Jun 3, 2024Casdin Capital, LLC13D/AOld format–––SEC
May 22, 2024Casdin Capital, LLC13D/AOld format–––SEC
Mar 20, 2024Casdin Capital, LLC13D/AOld format–––SEC
Mar 20, 2024Viking Global Investors LPSuperinvestorViking Global Investors13G/AOld format–––SEC
Feb 26, 2024Millennium Management LLC13GOld format–New–SEC
Feb 14, 2024Indaba Capital Management, L.P.13G/AOld format–––SEC
Feb 13, 2024Vanguard Group Inc13GOld format–––SEC
Jan 12, 2024Neuberger Berman Group LLC13D/AOld format–––SEC
Jan 9, 2024Viking Global Investors LPSuperinvestorViking Global Investors13GOld format–––SEC
Jan 9, 2024Casdin Capital, LLC13D/AOld format–––SEC
Jan 8, 2024Caligan Partners LP13D/AOld format–––SEC
Nov 22, 2023Viking Global Investors LPSuperinvestorViking Global Investors13D/AOld format–––SEC
Oct 16, 2023Viking Global Investors LPSuperinvestorViking Global Investors13DOld format–––SEC
Jul 7, 2023Primecap Management Co13G/AOld format–––SEC
Jul 3, 2023Caligan Partners LP13D/AOld format–––SEC
Feb 14, 2023Viking Global Investors LPSuperinvestorViking Global Investors13G/AOld format–––SEC
Feb 14, 2023Indaba Capital Management, L.P.13G/AOld format–––SEC
Feb 14, 2023North Sound Trading, LP13G/AOld format–––SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2023Primecap Management Co13GOld format–––SEC
Dec 30, 2022Caligan Partners LP13D/AOld format–––SEC
Nov 14, 2022Ra Capital Management, L.P.13G/AOld format–––SEC
Aug 5, 2022Caligan Partners LP13D/AOld format–––SEC
Jul 8, 20224:57 PM ETBlackRock Inc.13GOld format–––SEC
Jun 7, 2022Caligan Partners LP13D/AOld format–––SEC
May 3, 2022Caligan Partners LP13D/AOld format–––SEC
Apr 14, 2022Viking Global Investors LPSuperinvestorViking Global Investors13GOld format–New–SEC
Apr 8, 2022Casdin Capital, LLC13DOld format–New–SEC
Mar 29, 2022Caligan Partners LP13D/AOld format–––SEC
Mar 24, 2022Ra Capital Management, L.P.13GOld format–New–SEC
Mar 7, 2022North Sound Trading, LP13GOld format–New–SEC
Feb 14, 2022Indaba Capital Management, L.P.13G/AOld format–––SEC
Feb 11, 2022Russell Investments Group, Ltd.13G/AOld format–––SEC

Form 144: proposed insider sales

22 notices from officers, directors and other affiliates planning to sell Standard Biotools Inc. shares, newest first.

Form 144 notices for LAB
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
May 23, 20254:19 PM ETMackay SeanOfficer13.2K$12.4KMay 23, 2025Fidelity Brokerage Services LLCSEC
May 23, 20254:18 PM ETKim Hanjoon AlexOfficer1.43K$1.34KMay 23, 2025Fidelity Brokerage Services LLCSEC
May 23, 20254:09 PM ETEgholm MichaelOfficer · Director5.47K$5.15KMay 23, 2025Fidelity Brokerage Services LLCSEC
May 22, 20254:20 PM ETEgholm MichaelOfficer · Director5.12K$5.13KMay 22, 2025Fidelity Brokerage Services LLCSEC
May 22, 20254:13 PM ETMackay SeanOfficer12.5K$12.6KMay 22, 2025Fidelity Brokerage Services LLCSEC
May 22, 20254:07 PM ETKim Hanjoon AlexOfficer1.35K$1.36KMay 22, 2025Fidelity Brokerage Services LLCSEC
May 21, 20254:22 PM ETKim Hanjoon AlexOfficer1.41K$1.45KMay 21, 2025Fidelity Brokerage Services LLCSEC
May 21, 20254:16 PM ETMackay SeanOfficer12.8K$13.2KMay 21, 2025Fidelity Brokerage Services LLCSEC
May 21, 20254:13 PM ETEgholm MichaelOfficer · Director4.72K$4.87KMay 21, 2025Fidelity Brokerage Services LLCSEC
Nov 12, 20244:13 PM ETBlack Jeffrey G.Former officer58.0K$123.1KNov 12, 2024Fidelity Brokerage Services LLCSEC
Sep 9, 20243:19 PM ETTaich AdamFormer officer45.9K$91.7KSep 9, 2024Fidelity Brokerage Services LLCSEC
Jun 24, 20245:22 PM ETRoelke Alison MarieOfficer146$262.8Jun 24, 2024Fidelity Brokerage Services LLCSEC
Jun 24, 20244:36 PM ETGutierrez RubenOfficer55.9K$106.0KJun 24, 2024Fidelity Brokerage Services LLCSEC
Jun 24, 20244:13 PM ETRoelke Alison MarieOfficer64.2K$121.6KJun 24, 2024Fidelity Brokerage Services LLCSEC
Apr 4, 20243:26 PM ETRoelke Alison MarieOfficer2.74K$7.60KApr 4, 2024Fidelity Brokerage Services LLCSEC
Apr 4, 20243:17 PM ETGutierrez RubenOfficer2.39K$6.63KApr 4, 2024Fidelity Brokerage Services LLCSEC
Mar 19, 20244:45 PM ETTaich AdamOfficer118.1K$307.7KMar 19, 2024Fidelity Brokerage Services LLCSEC
Mar 18, 20244:55 PM ETTaich AdamOfficer117.4K$307.7KMar 18, 2024Fidelity Brokerage Services LLCSEC
Mar 14, 20243:15 PM ETGutierrez RubenOfficer890$2.30KMar 14, 2024Fidelity Brokerage Services LLCSEC
Aug 23, 20231:39 PM ETBurbach Gerhard FFormer director42.6K$113.7KAug 23, 2023Fidelity Brokerage Services LLCSEC
Aug 17, 20233:13 PM ETBurbach Gerhard FFormer director15.0K$40.4KAug 17, 2023Fidelity Brokerage Services LLCSEC
Aug 11, 20235:39 PM ETJog VikramFormer Chief Financial Officer100.0K$282.5KAug 11, 2023Fidelity Brokerage Services LLCSEC