
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 Mar 31, 2025
Ownership Breakdown
149
Institutional Holders
▲ 3 vs Q4
$304.15M
Total Inst. Value
▼ $182.93M vs Q4
390.37M
Shares Outstanding
freeFloat 10.93%
281.60M
13F Shares Held
▲ 3.23M vs Q4
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
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
CASDIN CAPITAL, LLC laboratory analytical instruments | 76.08M | 20.11% | 20.11% | $82.16B | May 15, 2025 | ▲ 4.82M |
VIKING GLOBAL INVESTORS LP laboratory analytical instruments | 58.65M | 15.51% | 15.51% | $63.34B | May 15, 2025 | — held |
BLACKROCK, INC. laboratory analytical instruments | 24.62M | 6.51% | 6.51% | $26.59B | May 2, 2025 | ▼ 237.6K |
VANGUARD GROUP INC laboratory analytical instruments | 17.23M | 4.55% | 4.55% | $18.60B | May 9, 2025 | ▲ 69.1K |
MORGAN STANLEY laboratory analytical instruments | 10.71M | 2.83% | 2.83% | $11.57B | May 15, 2025 | ▼ 6.14M |
GEODE CAPITAL MANAGEMENT, LLC laboratory analytical instruments | 7.21M | 1.91% | 1.91% | $7.78B | May 13, 2025 | ▲ 230.2K |
LONG FOCUS CAPITAL MANAGEMENT, LLC laboratory analytical instruments | 6.70M | 1.77% | 1.77% | $7.24B | May 15, 2025 | NEW |
TIKVAH MANAGEMENT LLC laboratory analytical instruments | 6.55M | 1.73% | 1.73% | $7.08B | May 13, 2025 | — held |
STATE STREET CORP laboratory analytical instruments | 6.36M | 1.68% | 1.68% | $6.87B | May 15, 2025 | ▲ 69.1K |
SUMITOMO MITSUI TRUST HOLDINGS, INC. laboratory analytical instruments | 6.23M | 1.65% | 1.65% | $6.73B | Apr 25, 2025 | ▼ 384.7K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
18
Increased
+8.23M shares3
New Positions
first time holders15
Decreased
−10.27M shares0
Sold Out
fully exitedNet shares change (top 50)
2.04M
+8.23M / −10.27M
Net new holders
+6
3 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 72.1% 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 76.08 million shares — equal to 20.11% of outstanding shares — as of March 31, 2025.
A total of 149 institutional investors currently hold LAB stock, with a combined institutional value of approximately $304,152,982 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 72.1% of shares. The largest shareholder is CASDIN CAPITAL, LLC with a 20.11% stake. Company insiders hold 89.07%. Data sourced from SEC Form 13F as of March 31, 2025.