Standard BioTools
LAB · NASDAQ
$0.6373−$0.006 (−0.93%)TodayMarket closed ·
Prev close $0.6433
Who owns LAB
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 61.2% of LAB’s shares.
- Casdin Capital, LLC22.7%
- Viking Global Investors LP15.0%
- MAK Capital One, LLC7.4%
- Long Focus Capital Management LLC6.0%
- Next 6 largest institutions10.1%
- All other shareholders38.8%
| Holder | Shares | % of shares |
|---|---|---|
| Casdin Capital, LLC | 88.78M | 22.68% |
| Viking Global Investors LP | 58.65M | 14.98% |
| MAK Capital One, LLC | 28.81M | 7.36% |
| Long Focus Capital Management LLC | 23.50M | 6.00% |
| Vanguard Capital Management, LLC | 12.25M | 3.13% |
| BlackRock Institutional Trust Company, N.A. | 7.63M | 1.95% |
| Hollow Brook Wealth Management, LLC | 5.50M | 1.41% |
| Neuberger Berman, LLC | 4.96M | 1.27% |
| Qube Research & Technologies Ltd | 4.82M | 1.23% |
| Royce Investment Partners | 4.53M | 1.16% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 8.68M | 2.22% |
| Vanguard Extended Market Index Fund | 3.52M | 0.90% |
| Royce Micro-Cap Trust | 2.87M | 0.73% |
| iShares Biotechnology ETF | 2.78M | 0.71% |
| Aon Hewitt Demo Small Cap Value Fund | 1.58M | 0.40% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of LAB in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Mackay Sean | Tax withholding | 25.73K | $17.29K |
| Kim Hanjoon Alex | Tax withholding | 28.20K | $18.95K |
| Egholm Michael | Tax withholding | 97.63K | $65.61K |
| Egholm Michael | Tax withholding | 362.63K | $314.76K |
| Kim Hanjoon Alex | Tax withholding | 202.48K | $181.22K |
| Mackay Sean | Award | 500.00K | — |
| Carey Thomas D. | Award | 263.88K | — |
| Carey Thomas D. | Award | 99.12K | — |
| Witney Frank | Award | 175.92K | — |
| Witney Frank | Award | 99.12K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 2.52M
- Days to cover
- 2.72
- % of shares outstanding
- 0.64%
- Average daily volume
- 925.49K
- Change since last report
- −2.8%
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