Standard BioTools Inc.

LAB • NASDAQ

Standard BioTools Inc. is a medical - diagnostics & research company in the healthcare sector on NASDAQ, led by Michael Egholm, with a market cap of $557.6M. As of Q3 2025, 75% of shares are held by 154 institutional investors, with Casdin Capital, LLC as the largest holder at 20.3%.

Chief Executive OfficerMichael Egholm

Market Cap$557.6M

Medical - Diagnostics & Research

Healthcare

Employees539.0

Websitestandardbio.com

Country

United States of America

Overview

Overview of institutional ownership in LAB as of Q3 2025 with a market cap of $496.6M

All Institutions

Institutions: 154
Value Held: $371.6M
Shares Held: 285.8M
Avg Position: $2.4M
Median Position: $63.0K

Hedge Funds

Hedge Funds: 11
Value Held: $218.5M
Shares Held: 168.1M
Avg Position: $19.9M
Median Position: $1.9M

Ownership Breakdown

Institutional (non-HF)

30.82%

$153.0M

Hedge Funds

44.01%

$218.5M

Retail & Other

25.17%

$125.0M

Based on market cap of $496.6M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in LAB as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
Casdin Capital, LLC Hedge Fund•Sector	Eli D Casdin Managing Partner	$100.8M 8.73% of portfolio	20.30% 77.6M shares	Q2 2023 Held for 2y 5m	$1.2B
VIKING GLOBAL INVESTORS LP Hedge Fund•Long/Short	Ole Andreas Halvorsen CEO	$76.2M 0.20% of portfolio	15.35% 58.7M shares	Q1 2024 Held for 1y 8m	$38.5B
B BlackRock, Inc. Institution	-	$32.4M 0.00% of portfolio	6.52% 24.9M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$22.4M 0.00% of portfolio	4.51% 17.2M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
MAK CAPITAL ONE LLC Hedge Fund•Multi-Strategy	Michael Anthony Kaufman CIO	$20.7M 4.13% of portfolio	4.17% 15.9M shares	Q1 2025 Held for 8 months	$501.3M
L Long Focus Capital Management, LLC Hedge Fund•Global Macro	John Byron Helmers CEO	$14.8M 0.87% of portfolio	2.97% 11.4M shares	Q1 2025 Held for 8 months	$1.7B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$9.7M 0.00% of portfolio	1.96% 7.5M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$8.3M 0.00% of portfolio	1.68% 6.4M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$8.3M 0.00% of portfolio	1.66% 6.4M shares	≤ Q2 2013 Held for 12y 5m+	$1.65T
Hollow Brook Wealth Management LLC RIA/Wealth	Alan Lee Bazaar CEO	$7.5M 1.78% of portfolio	1.51% 5.8M shares	Q3 2024 Held for 1y 2m	$422.7M

Net Capital Flow

Institutional buying and selling activity for LAB in Q3 2025

Traded: +$7.3M
Buyers: 63
Sellers: 62
Total Bought: +$21.3M
Total Sold: −$14.0M
Avg Position: $2.2M

Biggest Buyers

Institution	Net Bought	Current Position
MAK CAPITAL ONE LLC Hedge Fund•Multi-Strategy	+$13.4M +10.3M shares	$20.7M 15.9M shares
Casdin Capital, LLC Hedge Fund•Sector	+$1.9M +1.5M shares	$100.8M 77.6M shares
L Long Focus Capital Management, LLC Hedge Fund•Global Macro	+$1.7M +1.3M shares	$14.8M 11.4M shares
J JBF Capital, Inc. Institution	+$1.0M +770.7K shares	$1.0M 770.7K shares
J JANE STREET GROUP, LLC Institution	+$464.7K +357.4K shares	$510.9K 393.0K shares
VANGUARD GROUP INC Institution	+$343.0K +263.8K shares	$22.4M 17.2M shares
N Neuberger Berman Group LLC Institution	+$276.0K +212.6K shares	$6.1M 4.7M shares
R ROYCE & ASSOCIATES LLC Institution	+$217.9K +167.6K shares	$3.6M 2.8M shares
Hollow Brook Wealth Management LLC RIA/Wealth	+$215.1K +165.4K shares	$7.5M 5.8M shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$181.1K +139.3K shares	$635.0K 488.4K shares

Biggest Sellers

Institution	Net Sold	Current Position
MIRABELLA FINANCIAL SERVICES LLP Institution	−$4.1M −3.4M shares	Sold Off 0 shares
T Tikvah Management LLC Institution	−$1.9M −1.5M shares	$4.6M 3.6M shares
K Kent Lake PR LLC Hedge Fund•Long/Short	−$1.2M −1.0M shares	Sold Off 0 shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$1.2M −907.2K shares	$1.9M 1.5M shares
S Sumitomo Mitsui Trust Holdings, Inc. Institution	−$1.0M −773.7K shares	$7.0M 5.4M shares
Nikko Asset Management Americas, Inc. Long Only Manager	−$993.6K −764.3K shares	$7.0M 5.4M shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$442.9K −340.7K shares	$75.6K 58.1K shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	−$367.8K −306.5K shares	Sold Off 0 shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$300.3K −231.0K shares	$666.5K 512.7K shares
HighTower Advisors, LLC RIA/Wealth	−$222.8K −171.4K shares	$68.6K 52.8K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited LAB in Q3 2025

New Positions: 9
New Value: $1.2M
Exited Positions: 17
Exited Value: $6.1M

New Positions

Institution	Position Value
J JBF Capital, Inc. Institution	$1.0M 770.7K shares
A Abich Financial Wealth Management LLC RIA/Wealth	$118.9K 91.4K shares
G GTS SECURITIES LLC Institution	$26.7K 20.5K shares
U Universal- Beteiligungs- und Servicegesellschaft mbH Institution	$13.6K 10.5K shares
O Optiver Holding B.V. Institution	$5.0K 3.9K shares
SRS Capital Advisors, Inc. RIA/Wealth	$3.6K 2.7K shares
Fortitude Family Office, LLC Family Office	$1.0K 793.0 shares
Sontag Advisory, LLC RIA/Wealth	$260.0 200.0 shares
Sunbelt Securities, Inc. RIA/Wealth	$233.0 179.0 shares

Exited Positions

Institution	Previous Position
MIRABELLA FINANCIAL SERVICES LLP Institution	$4.1M 3.4M shares
K Kent Lake PR LLC Hedge Fund•Long/Short	$1.2M 1.0M shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	$367.8K 306.5K shares
Q Quadrature Capital Ltd Institution	$100.6K 84.2K shares
WEXFORD CAPITAL LP Hedge Fund•Multi-Strategy	$100.4K 83.6K shares
P Point72 Asia Pte. Ltd. Institution	$86.0K 71.7K shares
S Squarepoint Ops LLC Hedge Fund•Quant	$51.9K 43.3K shares
PARADIGM CAPITAL MANAGEMENT INC/NY Long Only Manager	$20.9K 17.5K shares
T TWO SIGMA SECURITIES, LLC Institution	$18.7K 15.6K shares
R Squared Ltd Private Equity	$15.5K 12.9K shares

Options Activity

Institutions with the largest Call and Put options positions in LAB as of Q3 2025

Call Positions: 2
Call Value: $77.2K
Put Positions: 1
Put Value: $24.3K

Call Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$59.2K 455.0 contracts
W WOLVERINE TRADING, LLC Institution	$18.0K 142.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$24.3K 187.0 contracts

Most Committed Institutions

Institutions with LAB as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Casdin Capital, LLC Hedge Fund•Sector	Eli D Casdin Managing Partner	8.73% $100.8M	20.30% 77.6M shares	Q2 2023 Held for 2y 5m	$1.2B
N Nan Fung Group Holdings Ltd Institution	-	4.51% $2.4M	0.49% 1.9M shares	Q1 2024 Held for 1y 8m	$54.3M
MAK CAPITAL ONE LLC Hedge Fund•Multi-Strategy	Michael Anthony Kaufman CIO	4.13% $20.7M	4.17% 15.9M shares	Q1 2025 Held for 8 months	$501.3M
Pacific Capital Partners Ltd RIA/Wealth	Chad T Willardson President	1.92% $1.7M	0.35% 1.3M shares	Q2 2024 Held for 1y 5m	$89.8M
Hollow Brook Wealth Management LLC RIA/Wealth	Alan Lee Bazaar CEO	1.78% $7.5M	1.51% 5.8M shares	Q3 2024 Held for 1y 2m	$422.7M
T Tikvah Management LLC Institution	-	1.40% $4.6M	0.93% 3.6M shares	Q1 2024 Held for 1y 8m	$330.6M
L Long Focus Capital Management, LLC Hedge Fund•Global Macro	John Byron Helmers CEO	0.87% $14.8M	2.97% 11.4M shares	Q1 2025 Held for 8 months	$1.7B
VIKING GLOBAL INVESTORS LP Hedge Fund•Long/Short	Ole Andreas Halvorsen CEO	0.20% $76.2M	15.35% 58.7M shares	Q1 2024 Held for 1y 8m	$38.5B
J JBF Capital, Inc. Institution	-	0.14% $1.0M	0.20% 770.7K shares	Q3 2025 Held for 2 months	$702.8M
T TAKEDA PHARMACEUTICAL CO LTD Institution	-	0.13% $21.5K	0.00% 16.5K shares	Q4 2023 Held for 1y 11m	$16.4M

Hedge Fund Spotlight

Discover hedge funds investing in LAB

Long Focus Capital Management, LLC

Hedge Fund • Global Macro

Portfolio ManagerJohn Byron Helmers

Portfolio Value: $1.7B
Positions: 77
Last Reported: Q3 2025

Sector Allocation

Position in Standard BioTools Inc.

Market Value: $14.8M
Shares Held: 11.4M
Portfolio Weight: 0.87%
Owned Since: 2025-Q1

Top Holding	Sector	Market Value	Weight
1 FTAI Aviation Ltd. FTAI	Rental & Leasing Services Industrials	$102.6M	6.02%
2 Charter Communications, Inc. CHTR	Telecommunications Services Communication Services	$86.3M	5.06%
3 Centene CNC	Medical - Healthcare Plans Healthcare	$82.0M	4.81%