Security key
34385P108
STANDARD BIOTOOLS INC. - Common Stock, par value $0.001 per share (LAB)
CUSIP: 34385P108
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 325,615
- Total 13F value
- $267,884
- Share change
- +325,588
- SEC-reported price per share
- $0.82
- Number of holders
- 2
- Value change
- +$267,859
- Number of buys
- 2
- Number of sells
- 1
- Shares outstanding
- 391,007,800
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
2
Top holders
2
LAB full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q1 2026
STANDARD BIOTOOLS INC. SEC filings
STANDARD BIOTOOLS INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 34385P108
Recent filing periods:
Ownership snapshot
Top reported holders of LAB - STANDARD BIOTOOLS INC. - Common Stock, par value $0.001 per share (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
06 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 Fund LP
6.7%
Casdin Partners Master Fund, L.P.
19%
MAK CAPITAL ONE LLC
6.7%
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 Fund LP |
13D/G
|
6.7%
|
$23,293,637
26,172,626 shares
|
+$5,522,504 | 31 Mar 2026 |
| Casdin Partners Master Fund, L.P. |
3/4/5
Director, 10%+ Owner
|
19%
|
$107,795,554
75,001,062 shares
|
+$16,303,018 | 02 Dec 2025 |
| MAK CAPITAL ONE LLC |
13F
Company
|
6.7%
|
$24,060,495
26,172,626 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
6.3%
|
$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
2
Shares
325,615
Rows available
2
| 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
154
Q2 2026 holders
2
Holder diff
-152
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend