STANDARD BIOTOOLS INC. - Common Stock, $0.001 par value per share (LAB)

CUSIP: 34385P108

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock, $0.001 par value per share
Shares outstanding
384,731,503
Total 13F shares
302,674,845
Share change
+16,914,793
Total reported value
$387,376,385
Put/Call ratio
67%
Price per share
$1.28
Number of holders
159
Value change
+$21,629,884
Number of buys
64
Number of sells
66

Quarterly Holders Quick Answers

What is CUSIP 34385P108?
CUSIP 34385P108 identifies LAB - STANDARD BIOTOOLS INC. - Common Stock, $0.001 par value per share in SEC institutional holdings data.

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Top shareholders of LAB - STANDARD BIOTOOLS INC. - Common Stock, $0.001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Casdin Partners Master Fund, L.P.
3/4/5
Director, 10%+ Owner
19%
75,001,062
$107,795,554 +$16,303,018 02 Dec 2025
Casdin Capital, LLC
13D/G 13F
Eli Casdin · Company
24%
93,442,787
$107,459,205 +$14,465,243 25 Nov 2025
VIKING GLOBAL INVESTORS LP
13F 3/4/5
Company · 10%+ Owner
15%
58,651,170
$76,246,521 30 Sep 2025
Caligan Partners LP
3/4/5
10%+ Owner
mixed-class rows
16,265,374
mixed-class rows
$34,539,714 29 Jun 2023
BlackRock, Inc.
13F
Company
6.5%
24,920,918
$32,397,194 30 Sep 2025
13F
MAK Capital Fund LP
13D/G
5.2%
19,967,565
$25,564,473 $0 31 Dec 2025
VANGUARD GROUP INC
13F
Company
4.5%
17,245,583
$22,419,257 30 Sep 2025
13F
MAK CAPITAL ONE LLC
13F
Company
4.1%
15,931,806
$20,711,348 30 Sep 2025
13F
Long Focus Capital Management, LLC
13F
Company
3%
11,362,804
$14,771,645 30 Sep 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
1.9%
7,468,917
$9,711,117 30 Sep 2025
13F
STATE STREET CORP
13F
Company
1.7%
6,402,649
$8,323,444 30 Sep 2025
13F
MORGAN STANLEY
13F
Company
1.7%
6,355,152
$8,261,698 30 Sep 2025
13F
Hollow Brook Wealth Management LLC
13F
Company
1.5%
5,775,739
$7,508,461 30 Sep 2025
13F
Amova Asset Management Americas, Inc.
13F
Company
1.4%
5,391,829
$7,009,378 30 Sep 2025
13F
Sumitomo Mitsui Trust Group, Inc.
13F
Company
1.4%
5,391,829
$7,009,378 30 Sep 2025
13F
Neuberger Berman Group LLC
13F
Company
1.2%
4,725,812
$6,136,032 30 Sep 2025
13F
Tikvah Management LLC
13F
Company
0.92%
3,551,152
$4,616,498 30 Sep 2025
13F
BARCLAYS PLC
13F
Company
0.83%
3,174,634
$4,127,025 30 Sep 2025
13F
ARK Investment Management LLC
13F
Company
0.79%
3,021,728
$3,928,246 30 Sep 2025
13F
ROYCE & ASSOCIATES LP
13F
Company
0.73%
2,804,719
$3,646,135 30 Sep 2025
13F
NORTHERN TRUST CORP
13F
Company
0.67%
2,593,910
$3,372,083 30 Sep 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.65%
2,504,180
$3,255,434 30 Sep 2025
13F
Jeffrey G. Black
3/4/5
SVP & Chief Financial Officer
mixed-class rows
966,346
mixed-class rows
$2,532,070 20 Aug 2024
Nan Fung Group Holdings Ltd
13F
Company
0.49%
1,883,179
$2,448,133 30 Sep 2025
13F
Slate Path Capital LP
13F
Company
0.42%
1,615,000
$2,099,500 30 Sep 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
0.38%
1,453,575
$1,889,647 30 Sep 2025
13F
Pacific Capital Partners Ltd
13F
Company
0.34%
1,325,000
$1,722,500 30 Sep 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.34%
1,295,966
$1,684,756 30 Sep 2025
13F
Casdin Amplify Fund, LP
3/4/5
Director
class O/S missing
545,000
$1,117,250 18 Jun 2024
Bank of New York Mellon Corp
13F
Company
0.21%
798,138
$1,037,580 30 Sep 2025
13F
Stephen Christopher Linthwaite
3/4/5
President & CEO
mixed-class rows
390,252
mixed-class rows
$1,004,213 22 Feb 2022
JBF Capital, Inc.
13F
Company
0.2%
770,654
$1,001,850 30 Sep 2025
13F
Nuveen, LLC
13F
Company
0.17%
657,212
$854,375 30 Sep 2025
13F
Vikram Jog
3/4/5
Chief Financial Officer
mixed-class rows
297,859
mixed-class rows
$762,479 21 Feb 2023
Jeremy Steven Davis
3/4/5
SVP Chief Commercial Officer
mixed-class rows
243,824
mixed-class rows
$667,438 21 Feb 2023
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
0.13%
512,708
$666,521 30 Sep 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.13%
488,443
$634,976 30 Sep 2025
13F
AQR CAPITAL MANAGEMENT LLC
13F
Company
0.13%
488,099
$634,529 30 Sep 2025
13F
Swiss National Bank
13F
Company
0.12%
470,660
$611,858 30 Sep 2025
13F
UBS Group AG
13F
Company
0.12%
455,814
$592,558 30 Sep 2025
13F
NEEDHAM INVESTMENT MANAGEMENT LLC
13F
Company
0.11%
434,435
$564,766 30 Sep 2025
13F
RHUMBLINE ADVISERS
13F
Company
0.11%
420,614
$546,793 30 Sep 2025
13F
TANG CAPITAL MANAGEMENT LLC
13F
Company
0.11%
407,755
$530,082 30 Sep 2025
13F
Intellectus Partners, LLC
13F
Company
0.11%
404,702
$526,113 30 Sep 2025
13F
Fenel M. Eloi
3/4/5
Director
mixed-class rows
361,843
mixed-class rows
$520,430 20 Jun 2025
Nicolas Barthelemy
3/4/5
Director
class O/S missing
204,077
$518,356 01 Apr 2022
JANE STREET GROUP, LLC
13F
Company
0.1%
393,019
$510,925 30 Sep 2025
13F
Frank Witney
3/4/5
Director
mixed-class rows
340,747
mixed-class rows
$498,068 20 Jun 2025
Carlos Paya V
3/4/5
Director
mixed-class rows
162,224
mixed-class rows
$454,505 14 Jun 2023
Rockefeller Capital Management L.P.
13F
Company
0.09%
331,224
$430,591 30 Sep 2025
13F

Institutional Holders of STANDARD BIOTOOLS INC. - Common Stock, $0.001 par value per share (LAB) as of Q4 2025

As of 31 Dec 2025, STANDARD BIOTOOLS INC. - Common Stock, $0.001 par value per share (LAB) was held by 159 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 302,674,845 shares. The largest 10 holders included Casdin Capital, LLC, VIKING GLOBAL INVESTORS LP, BlackRock, Inc., MAK CAPITAL ONE LLC, VANGUARD GROUP INC, Long Focus Capital Management, LLC, MORGAN STANLEY, GEODE CAPITAL MANAGEMENT, LLC, STATE STREET CORP, and Hollow Brook Wealth Management LLC. This page lists 159 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
154
Q4 2025 holders
159
Holder diff
5
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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