Who owns STANDARD BIOTOOLS INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of LAB from SEC Form 13F filings across 143 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 143 institutions disclosed 296.1M shares of STANDARD BIOTOOLS INC. worth $243.6M — about 75.8% of shares outstanding; the largest disclosed holder is Casdin Capital, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
143
13F holders
$243.6M
value, 2026 filers
75.8%
of shares outstanding (296.1M sh)
42
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of LAB's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Casdin Capital, LLC | 88.8M | $73.0M | 3.7% | 22.7% | 0.0% |
| 2 | VIKING GLOBAL INVESTORS LP | 58.7M | $48.3M | 0.1% | 15% | 0.0% |
| 3 | MAK CAPITAL ONE LLC | 28.8M | $23.7M | 3.3% | 7.4% | +10.1% |
| 4 | Long Focus Capital Management, LLC | 23.5M | $19.3M | 0.5% | 6% | +46.7% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 12.3M | $10.1M | 0.0% | 3.1% | -4.4% |
| 6 | BlackRock, Inc. | 8.3M | $6.8M | 0.0% | 2.1% | -66.7% |
| 7 | Hollow Brook Wealth Management LLC | 5.5M | $4.5M | 0.9% | 1.4% | -2.7% |
| 8 | NEUBERGER BERMAN GROUP LLC | 5.0M | $4.0M | 0.0% | 1.3% | +6.5% |
| 9 | Qube Research & Technologies Ltd | 4.8M | $4.0M | 0.0% | 1.2% | +584.3% |
| 10 | ROYCE & ASSOCIATES LP | 4.5M | $3.7M | 0.0% | 1.2% | +50.6% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 3.9M | $3.2M | 0.0% | 1% | -46.5% |
| 12 | Tikvah Management LLC | 3.6M | $2.9M | 0.9% | 0.9% | 0.0% |
| 13 | MILLENNIUM MANAGEMENT LLC | 3.5M | $2.9M | 0.0% | 0.9% | +67.1% |
| 14 | MORGAN STANLEY | 2.8M | $2.3M | 0.0% | 0.7% | -1.9% |
| 15 | D. E. Shaw & Co., Inc. | 2.8M | $2.3M | 0.0% | 0.7% | +1315.5% |
| 16 | JANE STREET GROUP, LLCNEW | 2.5M | $2.1M | 0.0% | 0.6% | new |
| 17 | Peapod Lane Capital LLC | 2.4M | $2.0M | 1.3% | 0.6% | +18.9% |
| 18 | CITADEL ADVISORS LLC | 2.3M | $1.9M | 0.0% | 0.6% | +91.7% |
| 19 | Mink Brook Asset Management LLCNEW | 2.2M | $1.8M | 0.8% | 0.6% | new |
| 20 | Sone Capital Management, LLC | 2.1M | $1.8M | 0.1% | 0.5% | +20.8% |
| 21 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIPNEW | 2.0M | $1.6M | 0.0% | 0.5% | new |
| 22 | VANGUARD FIDUCIARY TRUST CO | 1.9M | $1.6M | 0.0% | 0.5% | -1.4% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.8M | $1.4M | 0.0% | 0.5% | -27.2% |
| 24 | JACOBS LEVY EQUITY MANAGEMENT, INCNEW | 1.6M | $1.3M | 0.0% | 0.4% | new |
| 25 | STATE STREET CORP | 1.5M | $1.3M | 0.0% | 0.4% | -76.5% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.