STANDARD BIOTOOLS INC. - Common Stock (LAB)

CUSIP: 34385P108

Q2 2026 13F Holders as of 30 Jun 2026

Holder snapshot 7 signals
Share change
-874,107
Put/Call ratio
255%
SEC-reported price per share
$0.82
Number of holders
143
Value change
-$1,430,548
Number of buys
88
Open additional details 1 more signal available
Number of sells
86
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
391,666,667

Security key

34385P108

Report period

Q2 2026

Institutions

143

Top holders

10

Ownership snapshot

Top reported holders of LAB - STANDARD BIOTOOLS INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Casdin Capital, LLC
Disclosed value leader
Casdin Partners Master Fu...
Comparable rows
15/15
Latest evidence
30 Jun 2026
13D/G 13F 3/4/5 Lead comparable stake: 24% 13D/G row: Casdin Capital, LLC Showing 1-6 of 15 holder rows.

Quick read

Casdin Capital, LLC leads the comparable SEC ownership view at 24%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Casdin Capital, LLC's linked filing trail.
Comparable ownership Top 5
Casdin Capital, LLC 24%
VIKING GLOBAL INVESTORS LP 15%
MAK CAPITAL ONE LLC 7.3%
MAK Capital Fund LP 6.7%
Long Focus Capital Management, LLC 6%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Casdin Capital, LLC
13D/G 13F
Eli Casdin · Company
24%
$94,784,236
93,845,778 shares
+$407,021 06 Jun 2026
VIKING GLOBAL INVESTORS LP
13D/G 3/4/5 13F
10%+ Owner · Company
15%
$59,237,682
58,651,170 shares
$0 06 Jun 2026
MAK CAPITAL ONE LLC
13F 13D/G
Company
7.3%
from 13D/G
$24,060,495
26,172,626 shares
31 Mar 2026
MAK Capital Fund LP
13D/G
6.7%
$23,293,637
26,172,626 shares
+$5,522,504 31 Mar 2026
Long Focus Capital Management, LLC
13D/G 13F
Company
6%
$19,333,450
23,500,000 shares
$0 30 Jun 2026
BlackRock, Inc.
13F 13D/G
Company
2%
from 13D/G
$22,758,269
24,756,084 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
143
Shares
296,123,866
Rows available
143
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2026 vs Q1 2026 Across Filers

Q1 2026 holders
155
Q2 2026 holders
143
Holder diff
-12
Investor Q1 2026 Shares Q2 2026 Shares Share Diff Share Chg % Q1 2026 value Q2 2026 value Value change Value Chg %
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