$LAB

$0.62 +$0.02 (2.68%) Close

$LAB Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 392.6M shares outstanding

Who owns LAB?

By type of holder

Institutions 75.2% Insiders 24.8% Everyone else 0.0%

Concentration Top 10 holders own 120.7%

Eli Casdin 23.9% · Casdin Capital, LLC 22.6%

Institutional ownership

75.2%

-0.5 pts vs last qtr

Institutional holders

141

-15 vs last qtr

Net shares bought

−1.9M

by institutions in Q2 2026

New / sold out

40 / 55

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Long Focus Capital Management, LLC +7.5M
Qube Research & Technologies Ltd +4.1M

Biggest sellers in Q2 2026

BlackRock, Inc. −16.5M
State Street Corp −5.0M

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for Standard BioTools Inc. in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2022–FY2025

+387.4%

+69.54% a year

Each share's claim on the business

−79.5%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$46.5M vs $89.3M

over 4 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years14% 3–5 years31% 1–3 years45% Under 1 year10%

Quarterly turnover

13.6%

of institutional shares changed hands

Top 10 managers, median time held

2.3 years

Super Investors

Investment managers reporting LAB on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
CC Casdin Capital, LLC 13D · 22.7%	88.8M	22.62%	Unchanged	2023	3.7%
Shares held by quarter Peak holding88.8M (Q4'25) Change over 8 quarters+17.5M Share of the company22.620% Disclosed stake13D · 22.7% Casdin Capital, LLC's full portfolio →
VG Viking Global Investors LP 13D · 15.0%	58.7M	14.94%	Unchanged	2024	0.1%
Shares held by quarter Peak holding58.7M (Q3'24) Change over 8 quarters0 Share of the company14.940% Disclosed stake13D · 15.0% Viking Global Investors LP's full portfolio →

Casdin Capital, LLC

13D · 22.7%

88.8M

% of company

22.62%

Change vs last qtr

Unchanged

Held since

2023

Viking Global Investors LP

13D · 15.0%

58.7M

% of company

14.94%

Change vs last qtr

Unchanged

Held since

2024

28 more super investors behind a free account

See every manager holding Standard BioTools Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting LAB on Form N-PORT; together they hold 12.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$6.94M	8.4M	2.15%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$6.56M	7.1M	1.82%	0.01%	March 31, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$6.94M

% of company

2.15%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$6.56M

% of company

1.82%

% of the fund

0.01%

As of

March 31, 2026

23 more funds behind a free account

See every fund holding Standard BioTools Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
EC Eli Casdin 5%+ holder 13D · 23.9%	93.8M	23.90%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company23.900% Disclosed stake13D · 23.9% View the 13D/G filing →
CP Casdin Partners Master Fund, L.P. 5%+ holder 13D · 18.5%	72.1M	18.37%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company18.370% Disclosed stake13D · 18.5% View the 13D/G filing →

Eli Casdin

5%+ holder13D · 23.9%

93.8M

% of company

23.90%

Change vs last qtr

—

Held since

—

Casdin Partners Master Fund, L.P.

5%+ holder13D · 18.5%

72.1M

% of company

18.37%

Change vs last qtr

—

Held since

—

11 more holders behind a free account

See every insider and 5%+ holder of Standard BioTools Inc..

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