Latest Period
Q1 2026
CUSIP: 34385P108
Latest Period
Q1 2026
Institutions Reporting
154
Shares (Excl. Options)
297,240,585
Price
$0.92
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Latest holder context comes from 154 institutions filings for Q1 2026.
Security key
34385P108
Latest holder period
Q1 2026
13F holders
154
13D/G owners
3
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 34385P108:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Casdin Capital, LLC | 24% | +12% | $107,459,205 | +$14,465,243 | 93,442,787 | +16% | Eli Casdin | 25 Nov 2025 |
| VIKING GLOBAL INVESTORS LP | 15% | $52,199,541 | 58,651,170 | VIKING GLOBAL INVESTORS LP | 31 Mar 2026 | |||
| MAK Capital Fund LP | 6.7% | +30% | $23,293,637 | +$5,522,504 | 26,172,626 | +31% | MAK Capital Fund LP | 31 Mar 2026 |
As of 31 Mar 2026, 154 institutional investors reported holding 297,240,585 shares of STANDARD BIOTOOLS INC. - Common Stock, $0.001 par value per share (LAB). This represents 76% of the company’s total 390,636,209 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Casdin Capital, LLC | 23% | 88,783,856 | 0% | 6.2% | $81,618,999 |
| VIKING GLOBAL INVESTORS LP | 15% | 58,651,170 | 0% | 0.15% | $53,918,021 |
| MAK CAPITAL ONE LLC | 6.7% | 26,172,626 | +36% | 4% | $24,060,495 |
| BlackRock, Inc. | 6.3% | 24,756,084 | -3% | 0% | $22,758,269 |
| Long Focus Capital Management, LLC | 4.1% | 16,015,721 | +26% | 0.66% | $14,723,252 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.3% | 12,816,070 | 0% | 0% | $11,777,968 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 7,289,336 | -1.8% | 0% | $6,702,588 |
| STATE STREET CORP | 1.7% | 6,556,509 | +1.1% | 0% | $6,027,399 |
| Hollow Brook Wealth Management LLC | 1.4% | 5,653,381 | +1.8% | 1.3% | $5,197,153 |
| NEUBERGER BERMAN GROUP LLC | 1.2% | 4,657,585 | +0.72% | 0% | $4,281,450 |
| Tikvah Management LLC | 0.91% | 3,551,152 | 0% | 1% | $3,264,574 |
| ROYCE & ASSOCIATES LP | 0.77% | 3,005,529 | +4.2% | 0.03% | $2,762,983 |
| MORGAN STANLEY | 0.74% | 2,887,145 | -62% | 0% | $2,654,152 |
| BARCLAYS PLC | 0.67% | 2,617,969 | -15% | 0% | $2,406,700 |
| NORTHERN TRUST CORP | 0.63% | 2,454,235 | +2.7% | 0% | $2,256,179 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.62% | 2,414,699 | -3.7% | 0% | $2,219,833 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.61% | 2,394,400 | 0% | 0% | $2,200,454 |
| MILLENNIUM MANAGEMENT LLC | 0.54% | 2,102,015 | -38% | 0% | $1,932,382 |
| Peapod Lane Capital LLC | 0.52% | 2,028,527 | 1.5% | $1,861,719 | |
| VANGUARD FIDUCIARY TRUST CO | 0.49% | 1,917,437 | 0% | 0% | $1,762,125 |
| Sone Capital Management, LLC | 0.45% | 1,766,781 | 0.14% | $1,624,202 | |
| Slate Path Capital LP | 0.41% | 1,615,000 | 0% | 0.02% | $1,484,670 |
| CITADEL ADVISORS LLC | 0.31% | 1,225,310 | +14% | 0% | $1,126,428 |
| GOLDMAN SACHS GROUP INC | 0.24% | 943,185 | +79% | 0% | $867,070 |
| AQR CAPITAL MANAGEMENT LLC | 0.24% | 933,098 | +122% | 0% | $857,798 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 297,240,585 | $273,360,495 | -$7,766,863 | $0.92 | 154 |
| 2025 Q4 | 302,676,409 | $387,378,387 | +$21,629,482 | $1.28 | 160 |
| 2025 Q3 | 285,807,620 | $371,539,603 | +$7,178,902 | $1.30 | 154 |
| 2025 Q2 | 280,617,967 | $336,678,756 | -$1,077,649 | $1.20 | 160 |
| 2025 Q1 | 281,593,693 | $304,150,404 | +$2,261,591 | $1.08 | 146 |
| 2024 Q4 | 278,358,696 | $487,066,151 | -$5,656,598 | $1.75 | 142 |
| 2024 Q3 | 281,191,207 | $542,598,457 | +$19,046,404 | $1.93 | 141 |
| 2024 Q2 | 271,250,577 | $480,012,531 | -$2,577,119 | $1.77 | 142 |
| 2024 Q1 | 265,331,245 | $719,039,050 | +$591,982,233 | $2.71 | 144 |
| 2023 Q4 | 48,586,557 | $107,409,627 | +$2,035,800 | $2.21 | 85 |
| 2023 Q3 | 47,429,426 | $137,541,583 | +$3,894,497 | $2.90 | 72 |
| 2023 Q2 | 46,157,930 | $89,085,103 | +$111,792 | $1.93 | 65 |
| 2023 Q1 | 46,097,170 | $89,907,739 | -$81,853 | $1.95 | 68 |
| 2022 Q4 | 46,484,322 | $54,406,276 | -$819,975 | $1.17 | 64 |
| 2022 Q3 | 38,636,548 | $42,509,290 | -$7,842,523 | $1.10 | 59 |
| 2022 Q2 | 43,847,181 | $70,155,656 | -$17,366,200 | $1.60 | 78 |
| 2022 Q1 | 49,928,925 | $179,403,697 | -$25,702,881 | $3.59 | 103 |
| 2021 Q4 | 56,282,734 | $220,394,393 | -$14,652,768 | $3.92 | 116 |
| 2021 Q3 | 58,458,125 | $385,676,880 | +$6,106,049 | $6.59 | 116 |
| 2021 Q2 | 57,580,036 | $354,421,486 | -$3,050,736 | $6.16 | 111 |
| 2021 Q1 | 59,027,044 | $266,772,403 | -$44,846,104 | $4.52 | 131 |
| 2020 Q4 | 65,301,638 | $391,716,950 | -$13,720,267 | $6.00 | 143 |
| 2020 Q3 | 65,965,282 | $490,378,526 | +$31,961,867 | $7.43 | 131 |
| 2020 Q2 | 62,199,691 | $249,441,661 | -$3,129,865 | $4.01 | 109 |
| 2020 Q1 | 64,133,221 | $162,874,520 | -$2,025,145 | $2.54 | 101 |