Delisting risk
Standard BioTools
Sells retained mass-cytometry and microfluidic genomics systems after the SomaScan sale.
$0.6548
After-hours close+0.02 (+2.47%)
At close$0.6390(−2.14%)
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Breakdown13F · Form 4
Institutions 75.93%297.25M sharesInsiders 22.94%89.82M sharesOther 1.13%4.40M shares
Shares outstanding 391.46M · Float 42.77M · 10.9% free float
Institutions13F, as of Mar 31, 2026
157 holders · 297.25M shares · 26 new positions · 77 increased · 44 reduced · 30 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Casdin Capital, LLC | 88.78M | 22.68% | 0 | May 15, 2026 |
| Viking Global Investors LP | 58.65M | 14.98% | 0 | May 15, 2026 |
| Mak Capital One LLC | 26.17M | 6.69% | +6.88M | May 15, 2026 |
| BlackRock, Inc. | 24.76M | 6.32% | −759.8K | May 13, 2026 |
| Long Focus Capital Management, LLC | 16.02M | 4.09% | +3.34M | May 15, 2026 |
| Vanguard Capital Management LLC | 12.82M | 3.27% | +12.82Mnew | May 15, 2026 |
| Geode Capital Management, LLC | 7.29M | 1.86% | −131.4K | May 15, 2026 |
| State Street Corp | 6.56M | 1.67% | +73.7K | May 15, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Eli Casdinincl. Casdin Partners GP, LLC, Casdin Partners Master Fund, L.P. +3 more | 23.90% | 93.85M | 13D | Jun 9, 2026 ↗ |
| Viking Global Investors LPincl. Viking Global Opportunities Illiquid Investments Sub-Master LP, Viking Global Opportunities Drawdown GP LLC +7 more | 15.00% | 58.65M | 13D | Jun 12, 2026 ↗ |
| MAK Capital Fund LP | 6.70% | 26.17M | 13G | May 15, 2026 ↗ |
| Long Focus Capital Management, LLC | 6.00% | 23.50M | 13G | Aug 14, 2026 ↗ |
| BlackRock, Inc. | 6.00% | 22.45M | Nov 8, 2024 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Casdin Partners Master Fund, L.P. | director, 10 percent owner: | 74.91M | 19.14% | Dec 4, 2025 |
| Michael Egholm | director, officer: President & CEO | 6.14M | 1.57% | Aug 24, 2026 |
| Eli Casdin | director, 10 percent owner: | 3.05M | 0.78% | Jun 23, 2026 |
| Hanjoon Alex Kim | officer: Chief Financial Officer | 2.53M | 0.65% | Aug 24, 2026 |
| Sean Mackay | officer: SVP & Chief Business Officer | 1.48M | 0.38% | Aug 24, 2026 |
| Troy Cox | director | 475.7K | 0.12% | Jun 23, 2026 |
| Thomas D. Carey | director | 344.5K | 0.09% | Jun 23, 2026 |
| Fenel M. Eloi | director | 335.3K | 0.09% | Jun 23, 2026 |
| Frank Witney | director | 310.0K | 0.08% | Jun 23, 2026 |
| Kathy L. Hibbs | director | 236.8K | 0.06% | Jun 23, 2026 |
6 ten-percent owners hold 55.70M shares by Form 4, outside the officers-and-directors figure above · 34 people have not refiled in the last 18 months (17.79M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Dec 2, 2025 | Casdin Partners Master Fund, L.P.director, 10 percent owner: | Purchase | 125,000 | $1.42 | 71,875,000 |
| Dec 3, 2025 | Casdin Partners Master Fund, L.P.director, 10 percent owner: | Purchase | 75,000 | $1.44 | 71,950,000 |
| Dec 4, 2025 | Casdin Partners Master Fund, L.P.director, 10 percent owner: | Purchase | 150,000 | $1.45 | 72,100,000 |
| Nov 24, 2025 | Casdin Partners Master Fund, L.P.director, 10 percent owner: | Purchase | 150,000 | $1.43 | 64,200,000 |
| Nov 25, 2025 | Casdin Partners Master Fund, L.P.director, 10 percent owner: | Purchase | 7,550,000 | $1.30 | 71,750,000 |
| Nov 18, 2025 | Casdin Partners Master Fund, L.P.director, 10 percent owner: | Purchase | 275,000 | $1.23 | 63,250,000 |
| Nov 19, 2025 | Casdin Partners Master Fund, L.P.director, 10 percent owner: | Purchase | 350,000 | $1.28 | 63,600,000 |
| Nov 20, 2025 | Casdin Partners Master Fund, L.P.director, 10 percent owner: | Purchase | 450,000 | $1.30 | 64,050,000 |
| Nov 13, 2025 | Casdin Partners Master Fund, L.P.director, 10 percent owner: | Purchase | 450,000 | $1.20 | 62,500,000 |
| Nov 14, 2025 | Casdin Partners Master Fund, L.P.director, 10 percent owner: | Purchase | 250,000 | $1.24 | 62,750,000 |
CongressHouse and Senate disclosures
Not reported.