STANDARD BIOTOOLS INC (LAB) is held by 98 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is VIKING GLOBAL INVESTORS LP as of Q1 2026.

Are institutions buying or selling LAB?

In Q1 2026, 48 institutions opened or increased positions in STANDARD BIOTOOLS INC while 42 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on LAB?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for STANDARD BIOTOOLS INC.

How many hedge funds hold LAB?

98 institutional investors report holding STANDARD BIOTOOLS INC (LAB) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into LAB?

As of Q1 2026, tracked institutions in STANDARD BIOTOOLS INC show 48 buyers versus 42 sellers — net inflows.

STANDARD BIOTOOLS INC

LAB·34385P108·US·Common Stock·Healthcare - Medical Devices-Activist

Holders

Avg rating(25 Elite)

$136.5M

Total Value

53% (106)

Fund Consensus

48 buying - 42 selling

Smart Money Verdict

View all

Held by 98 funds

25 elite

Who's Trading

Activist

VIKING GLOBAL INVESTORS LP15.0%Jun 12, 2026

ActivistCACasdin Capital, LLC22.7%Jun 9, 2026

Activist

VIKING GLOBAL INVESTORS LP15.0%May 15, 2026

ActivistMAMAK Capital Fund LP6.7%May 15, 2026

ActivistCACasdin Capital, LLC22.9%Nov 28, 2025

InsiderCLCasdin Partners Master Fund, L.P.Buy $9.8MNov 25, 2025

InsiderCLCasdin Partners Master Fund, L.P.Buy $215KNov 24, 2025

InsiderCLCasdin Partners Master Fund, L.P.Buy $586KNov 20, 2025

InsiderCLCasdin Partners Master Fund, L.P.Buy $449KNov 19, 2025

InsiderCLCasdin Partners Master Fund, L.P.Buy $339KNov 18, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
VIKING GLOBAL INVESTORS LP	Unchanged	58.7M	$53.9M	0.2%	-66.05%	0
BlackRock, Inc.	Decreased	24.8M(-3.0%)	$22.8M	0.0%	-47.47%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	12.8M	$11.8M	0.0%	-11.54%	39
GEODE CAPITAL MANAGEMENT, LLC	Decreased	7.3M(-1.8%)	$6.7M	0.0%	-63.88%	0
STATE STREET CORP	Increased	6.6M(+1.1%)	$6M	0.0%	-52.46%	27
Neuberger Berman Group LLC	Increased	4.7M(+0.7%)	$4.3M	0.0%	-84.23%	27
ROYCE & ASSOCIATES LP	Increased	3M(+4.2%)	$2.8M	0.0%	-37.73%	27
MORGAN STANLEY	Decreased	2.9M(-62.5%)	$2.7M	0.0%	-45.49%	0
BARCLAYS PLC	Decreased	2.6M(-15.0%)	$2.4M	0.0%	-63.46%	0
NORTHERN TRUST CORP	Increased	2.5M(+2.7%)	$2.3M	0.0%	-62.71%	27
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	2.4M(-3.7%)	$2.2M	0.0%	-50.00%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	2.4M	$2.2M	0.0%	-11.54%	36
MILLENNIUM MANAGEMENT LLC	Decreased	2.1M(-38.0%)	$1.9M	0.0%	-49.70%	0
VFVANGUARD FIDUCIARY TRUST CO	New	1.9M	$1.8M	0.0%	-11.54%	36
CITADEL ADVISORS LLC	Increased	1.2M(+13.8%)	$1.1M	0.0%	-23.94%	29
GOLDMAN SACHS GROUP INC	Increased	943,185(+79.3%)	$867,070	0.0%	-28.66%	38
AQR CAPITAL MANAGEMENT LLC	Increased	933,098(+122.4%)	$857,798	0.0%	-18.00%	40
Bank of New York Mellon Corp	Decreased	766,953(-3.4%)	$705,060	0.0%	-49.83%	0
Qube Research & Technologies Ltd	Increased	704,407(+224.4%)	$647,561	0.0%	-31.04%	39
Nuveen, LLC	Increased	661,204(+0.6%)	$607,845	0.0%	-19.26%	24