Standard BioTools Inc.
Standard BioTools Inc. (LAB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · LAB · as of Sep 30, 2025
Ownership Breakdown
159
Institutional Holders
▼ 3 vs Q2
$371.62M
Total Inst. Value
▲ $34.93M vs Q2
390.37M
Shares Outstanding
freeFloat 10.93%
285.87M
13F Shares Held
▲ 5.25M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
LAB largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
CASDIN CAPITAL, LLC laboratory analytical instruments | 77.56M | 20.44% | 20.44% | $100.83B | Nov 14, 2025 | ▲ 1.48M |
VIKING GLOBAL INVESTORS LP laboratory analytical instruments | 58.65M | 15.46% | 15.46% | $76.25B | Nov 14, 2025 | — held |
BLACKROCK, INC. laboratory analytical instruments | 24.92M | 6.57% | 6.57% | $32.40B | Nov 12, 2025 | ▲ 96.2K |
VANGUARD GROUP INC laboratory analytical instruments | 17.25M | 4.55% | 4.55% | $22.42B | Nov 7, 2025 | ▲ 263.8K |
MAK CAPITAL ONE LLC laboratory analytical instruments | 15.93M | 4.20% | 4.20% | $20.71B | Nov 14, 2025 | ▲ 10.33M |
LONG FOCUS CAPITAL MANAGEMENT, LLC laboratory analytical instruments | 11.36M | 3.00% | 3.00% | $14.77B | Nov 14, 2025 | ▲ 1.29M |
GEODE CAPITAL MANAGEMENT, LLC laboratory analytical instruments | 7.47M | 1.97% | 1.97% | $9.71B | Nov 12, 2025 | ▲ 27.8K |
STATE STREET CORP laboratory analytical instruments | 6.40M | 1.69% | 1.69% | $8.32B | Nov 14, 2025 | ▲ 101.4K |
MORGAN STANLEY laboratory analytical instruments | 6.36M | 1.68% | 1.68% | $8.26B | May 27, 2026 | ▲ 129.1K |
HOLLOW BROOK WEALTH MANAGEMENT LLC laboratory analytical instruments | 5.78M | 1.52% | 1.52% | $7.51B | Nov 14, 2025 | ▲ 165.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
21
Increased
+15.09M shares1
New Positions
first time holders18
Decreased
−5.15M shares0
Sold Out
fully exitedNet shares change (top 50)
+9.95M
+15.09M / −5.15M
Net new holders
+4
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
LAB insider trading · insider activity
Source: SEC Form 4
2
Buy transactions
7
Sell transactions
0.29
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Kim Hanjoon Alex Chief Financial Officer | May 20, 2026 | Tax Withhold | 18,871 | $1.00 | $18.9K | 2.76M | Form 4 ↗ |
Mackay Sean SVP & Chief Business Officer | May 20, 2026 | Tax Withhold | 25,729 | $1.00 | $25.7K | 1.01M | Form 4 ↗ |
Egholm Michael President & CEO | May 20, 2026 | Tax Withhold | 97,626 | $1.00 | $97.6K | 6.60M | Form 4 ↗ |
Egholm Michael President & CEO | Apr 6, 2026 | Tax Withhold | 95,014 | $0.91 | $86.3K | 6.70M | Form 4 ↗ |
Egholm Michael President & CEO | Mar 20, 2026 | Award | 1,042,373 | — | — | 6.59M | Form 4 ↗ |
Egholm Michael President & CEO | Mar 20, 2026 | Award | 2,345,340 | $0.98 | $2.31M | 2.35M | Form 4 ↗ |
Mackay Sean SVP & Chief Business Officer | Mar 20, 2026 | Award | 272,107 | — | — | 1.03M | Form 4 ↗ |
Mackay Sean SVP & Chief Business Officer | Mar 20, 2026 | Award | 612,240 | $0.98 | $602.8K | 612.2K | Form 4 ↗ |
Kim Hanjoon Alex Chief Financial Officer | Apr 6, 2026 | Tax Withhold | 21,301 | $0.91 | $19.3K | 2.78M | Form 4 ↗ |
Kim Hanjoon Alex Chief Financial Officer | Mar 20, 2026 | Award | 323,173 | — | — | 2.73M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Standard BioTools Inc. (LAB) is primarily owned by institutional investors, who hold approximately 73.2% of total shares outstanding. Company insiders own approximately 89.07%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Standard BioTools Inc. is CASDIN CAPITAL, LLC, holding approximately 77.56 million shares — equal to 20.44% of outstanding shares — as of September 30, 2025.
A total of 159 institutional investors currently hold LAB stock, with a combined institutional value of approximately $371,616,087 as of the most recent 13F filing period.
Frequently asked questions
LAB ownershipStandard BioTools Inc. (LAB) is primarily owned by institutional investors, who hold approximately 73.2% of shares. The largest shareholder is CASDIN CAPITAL, LLC with a 20.44% stake. Company insiders hold 89.07%. Data sourced from SEC Form 13F as of September 30, 2025.