LAB · Standard Biotools Inc. · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Superinvestors Holding LAB
All superinvestors →Holder Concentration
Across 143 13F filersWho Holds LAB
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 143 filers, like-for-like change -0.4%; actively managed books +13.0%; index-like books -49.0%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 85.8% | 75 | +6.5% |
| Exempt adviser | 1.8% | 3 | +656.1% |
| Adviser | 0.1% | 2 | +26.5% |
| Bank | 1.2% | 15 | -73.9% |
| Insurer | 0.4% | 3 | +1746.1% |
| Broker-dealer | 0.0% | 2 | +13.9% |
| Benefit plan | 0.0% | 1 | -86.4% |
| Non-US | 0.0% | 2 | -98.9% |
| Holding company | 5.5% | 7 | -51.0% |
| Unknown | 5.1% | 33 | +54.6% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 11.0% | 15 | -49.0% |
| Systematic-like | 6.1% | 20 | +253.0% |
| Concentrated | 44.3% | 20 | +4.9% |
| Diversified active | 38.7% | 88 | +10.9% |
| Not measured | 0.0% | 0 | — |
| Unknown | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 44.6% | 78 | -17.7% |
| Medium turnover | 22.7% | 26 | +29.8% |
| High turnover | 27.7% | 33 | +21.4% |
| Unknown | 5.0% | 6 | -15.1% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 6.9% | 17 | +0.6% |
| Medium horizon | 12.8% | 20 | -17.2% |
| Long horizon | 48.8% | 92 | -0.7% |
| Unknown | 31.5% | 14 | +8.9% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 15.0% | 23 | +14.9% |
| $1B to $10B | 40.3% | 38 | +7.8% |
| $10B to $100B | 25.6% | 39 | +17.0% |
| $100B or more | 19.1% | 43 | -31.9% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 2.8% | 32 | +6.4% |
| Pooled investment vehicles | 72.4% | 23 | +8.5% |
| Registered funds and BDCs | 7.9% | 9 | -17.8% |
| Pension and profit sharing plans | 0.0% | 2 | +55.7% |
| Governments and sovereign funds | 0.8% | 2 | +4.9% |
| Corporations | 0.0% | 1 | 0.0% |
| Other investment advisers | 0.0% | 2 | -90.6% |
| Diversified | 1.0% | 3 | +63.6% |
| Insurance companies | 0.0% | 0 | -100.0% |
| Unknown | 15.0% | 69 | -24.6% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 35.7% | 28 | +27.7% |
| Private equity funds | 0.8% | 7 | +19.0% |
| Venture capital funds | 0.0% | 1 | +64.8% |
| Real estate funds | 0.0% | 3 | +40.7% |
| Liquidity funds | 0.0% | 1 | -52.6% |
| Other private funds | 2.2% | 10 | +23.1% |
| Mixed private funds | 39.7% | 2 | +2.0% |
| No private funds | 9.2% | 26 | -18.4% |
| Securitized asset funds | 0.0% | 0 | -100.0% |
| Private funds, type not stated | 0.0% | 0 | — |
| Unknown | 12.4% | 65 | -36.6% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 96.7% | 123 | -1.5% |
| Outside the US | 3.3% | 20 | +47.8% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 1 holder with no observed 2026-03-31 13F and 2 holders with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
143 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 85.8% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies LAB's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | AXR Amrep Corp. | 3 |
| 2 | ALOT AstroNova, Inc. | 3 |
| 3 | BCYC Bicycle Therapeutics PLC | 3 |
| 4 | ICE Intercontinental Exchange, Inc. | 3 |
| 5 | AMZN Amazon Com Inc | 8 |
| 6 | SPCX Space Exploration Technologies Corp | 3 |
| 7 | COF Capital One Financial Corp | 3 |
| 8 | ASML Asml Holding NV | 4 |
| 9 | NOW ServiceNow, Inc. | 3 |
| 10 | MSFT Microsoft Corp | 7 |
Shareholder Targets
13F filers that own its peers but not LAB, quarter ended Jun 30, 2026Found through its holder-overlap peers: AXR, ALOT, BCYC, ICE, AMZN, SPCX, COF, ASML, NOW, MSFT, META, JPM, GOOGL, KO, DIS, NVDA, TSLA, PM, WMT, AMGN. 7,146 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | NORGES BANK Non-US, Index-like | $259,335,885,294 16 held | NVDA, GOOGL, MSFT |
| 2 | PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser, Diversified active | $248,009,746,304 18 held | NVDA, GOOGL, MSFT |
| 3 | Capital Research Global Investors Adviser, Diversified active | $200,546,619,108 13 held | NVDA, GOOGL, MSFT |
| 4 | Capital World Investors Adviser, Diversified active | $197,411,886,600 16 held | GOOGL, PM, META |
| 5 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Registered adviser, Index-like | $142,152,955,741 17 held | NVDA, GOOGL, MSFT |
| 6 | Legal & General Group Plc Unknown, Index-like | $119,853,224,830 17 held | NVDA, GOOGL, MSFT |
| 7 | Capital International Investors Adviser, Diversified active | $109,259,653,923 15 held | GOOGL, MSFT, NVDA |
| 8 | Amundi Holding company, Index-like | $103,565,154,053 17 held | NVDA, GOOGL, MSFT |
| 9 | WELLINGTON MANAGEMENT GROUP LLP Holding company, Diversified active | $103,274,468,423 17 held | NVDA, GOOGL, MSFT |
| 10 | Nuveen, LLC Unknown, Index-like | $102,211,968,137 17 held | NVDA, GOOGL, MSFT |
Fund Ownership of LAB by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 6.94% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 1.97% | 7,734,565 |
| Index ETFs | 4.97% | 19,502,643 |
| Active ETFs | 0.04% | 141,511 |
| Active funds | 1.87% | 7,338,266 |
| Unclassified | 0.09% | 357,380 |
| All registered funds | 8.93% | 35,074,365 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid Casdin Capital, LLC Registered adviser | $72,802,761 | 30.04% | 88,783,856 | Shares | 2026-08-14 | |
| Large VIKING GLOBAL INVESTORS LP Registered adviser | $48,093,959 | 19.84% | 58,651,170 | Shares | 2026-08-14 | |
| Small MAK CAPITAL ONE LLC Registered adviser | $23,627,401 | 9.75% | 28,813,904 | Shares | 2026-08-14 | |
| Mid Long Focus Capital Management, LLC Registered adviser | $19,270,000 | 7.95% | 23,500,000 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $10,047,458 | 4.15% | 12,252,998 | Shares | 2026-08-13 | |
| Mega BlackRock, Inc. Holding company | $6,768,641 | 2.79% | 8,254,443 | Shares | 2026-08-07 | |
| Small Hollow Brook Wealth Management LLC Registered adviser | $4,512,772 | 1.86% | 5,503,381 | Shares | 2026-08-14 | |
| Mega NEUBERGER BERMAN GROUP LLC Holding company | $4,066,068 | 1.68% | 4,958,620 | Shares | 2026-08-13 | |
| Mega Qube Research & Technologies Ltd Exempt adviser | $3,952,779 | 1.63% | 4,820,463 | Shares | 2026-08-14 | |
| Large ROYCE & ASSOCIATES LP Registered adviser | $3,710,773 | 1.53% | 4,525,333 | Shares | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $3,195,189 | 1.32% | 3,896,574 | Shares | 2026-08-12 | |
| Small Tikvah Management LLC | $2,911,867 | 1.20% | 3,551,058 | Shares | 2026-08-13 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $2,880,385 | 1.19% | 3,512,665 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY Holding company | $2,321,964 | 0.96% | 2,831,668 | Shares | 2026-08-13 | |
| Mega D. E. Shaw & Co., Inc. | $2,310,781 | 0.95% | 2,818,026 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $2,061,724 | 0.85% | 2,514,299 | Shares | 2026-08-14 | |
| Small Peapod Lane Capital LLC Registered adviser | $1,977,408 | 0.82% | 2,411,474 | Shares | 2026-07-27 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $1,925,827 | 0.79% | 2,348,570 | Shares | 2026-09-02 | |
| Small Mink Brook Asset Management LLC Registered adviser | $1,796,597 | 0.74% | 2,190,973 | Shares | 2026-08-14 | |
| Mid Sone Capital Management, LLC Registered adviser | $1,749,577 | 0.72% | 2,133,631 | Shares | 2026-08-14 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Registered adviser | $1,632,969 | 0.67% | 1,991,426 | Shares | 2026-08-13 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $1,549,673 | 0.64% | 1,889,846 | Shares | 2026-08-13 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $1,442,411 | 0.60% | 1,759,038 | Shares | 2026-08-14 | |
| Large JACOBS LEVY EQUITY MANAGEMENT, INC Registered adviser | $1,339,151 | 0.55% | 1,633,112 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP Bank | $1,264,831 | 0.52% | 1,542,478 | Shares | 2026-09-22 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $1,114,391 | 0.46% | 1,359,018 | Shares | 2026-08-14 | |
| Large Loews Corp Insurer | $1,025,000 | 0.42% | 1,250,000 | Shares | 2026-08-14 | |
| Mid GSA CAPITAL PARTNERS LLP Registered adviser | $973,899 | 0.40% | 1,187,682 | Shares | 2026-08-06 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $813,487 | 0.34% | 992,058 | Shares | 2026-08-13 | |
| Mid STALEY CAPITAL ADVISERS INC Registered adviser | $656,000 | 0.27% | 800,000 | Shares | 2026-08-11 | |
| Mega NORTHERN TRUST CORP Bank | $649,049 | 0.27% | 791,526 | Shares | 2026-08-13 | |
| Large Man Group plc | $609,090 | 0.25% | 742,793 | Shares | 2026-08-14 | |
| Large Point72 Asset Management, L.P. Registered adviser | $580,552 | 0.24% | 707,991 | Shares | 2026-08-14 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $553,281 | 0.23% | 674,733 | Shares | 2026-08-13 | |
| Small Aster Capital Management (DIFC) Ltd | $443,726 | 0.18% | 541,130 | Shares | 2026-08-14 | |
| Large Jain Global LLC Registered adviser | $383,199 | 0.16% | 467,317 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $356,122 | 0.15% | 434,296 | Shares | 2026-08-14 | |
| Large Rockefeller Capital Management L.P. Registered adviser | $351,377 | 0.14% | 428,510 | Shares | 2026-08-13 | |
| Mega UBS Group AG Bank | $349,300 | 0.14% | 425,977 | Shares | 2026-08-13 | |
| Mega Sumitomo Mitsui Trust Group, Inc. Bank | $338,076 | 0.14% | 412,288 | Shares | 2026-07-30 | |
| Mid Amova Asset Management Americas, Inc. Registered adviser | $338,076 | 0.14% | 412,288 | Shares | 2026-08-13 | |
| Small Intellectus Partners, LLC Registered adviser | $331,855 | 0.14% | 404,702 | Shares | 2026-08-12 | |
| Large HighTower Advisors, LLC Registered adviser | $291,576 | 0.12% | 355,581 | Shares | 2026-08-05 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $269,413 | 0.11% | 328,553 | Shares | 2026-08-14 | |
| Mid OPPENHEIMER & CO INC | $267,812 | 0.11% | 326,600 | Shares | 2026-08-03 | |
| Small JOHNSON & JOHNSON | $255,812 | 0.11% | 311,967 | Shares | 2026-08-06 | |
| Mid Susquehanna Portfolio Strategies, LLC | $239,040 | 0.10% | 291,513 | Shares | 2026-08-14 | |
| Mid XTX Topco Ltd | $227,817 | 0.09% | 277,826 | Shares | 2026-08-14 | |
| Large Squarepoint Ops LLC Registered adviser | $227,447 | 0.09% | 277,375 | Shares | 2026-08-14 | |
| Mega HSBC HOLDINGS PLC | $222,648 | 0.09% | 271,523 | Shares | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $200,148 | 0.08% | 244,084 | Shares | 2026-08-14 | |
| Large Brevan Howard Capital Management LP Exempt adviser | $198,702 | 0.08% | 242,320 | Shares | 2026-08-14 | |
| Micro QVIDTVM Management LLC Registered adviser | $182,040 | 0.08% | 222,000 | Shares | 2026-08-13 | |
| Mega Invesco Ltd. Adviser | $181,962 | 0.08% | 221,906 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $177,465 | 0.07% | 216,422 | Shares | 2026-08-14 | |
| Large IEQ CAPITAL, LLC Registered adviser | $163,888 | 0.07% | 199,864 | Shares | 2026-08-11 | |
| Mega PRIMECAP MANAGEMENT CO/CA/ Registered adviser | $125,766 | 0.05% | 153,374 | Shares | 2026-08-14 | |
| Mega Vanguard Global Advisers, LLC Registered adviser | $106,044 | 0.04% | 129,323 | Shares | 2026-08-13 | |
| Mid Evercore Wealth Management, LLC Registered adviser | $102,500 | 0.04% | 125,000 | Shares | 2026-08-14 | |
| Large Schonfeld Strategic Advisors LLC Registered adviser | $97,283 | 0.04% | 118,639 | Shares | 2026-08-14 | |
| Mid Catalyst Funds Management Pty Ltd | $90,851 | 0.04% | 110,795 | Shares | 2026-08-10 | |
| Mega AMERIPRISE FINANCIAL INC Adviser | $85,939 | 0.04% | 104,805 | Shares | 2026-08-14 | |
| Large MERCER GLOBAL ADVISORS INC /ADV Registered adviser | $83,132 | 0.03% | 101,381 | Shares | 2026-08-19 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $80,669 | 0.03% | 98,378 | Shares | 2026-08-12 | |
| Mid Virtu Financial LLC | $79,705 | 0.03% | 97,202 | Shares | 2026-08-13 | |
| Large Mariner, LLC Registered adviser | $75,060 | 0.03% | 91,537 | Shares | 2026-08-13 | |
| Mega Bank of New York Mellon Corp Bank | $74,030 | 0.03% | 90,282 | Shares | 2026-08-06 | |
| Mega Creative Planning Registered adviser | $65,871 | 0.03% | 80,331 | Shares | 2026-08-13 | |
| Small State of Wyoming | $61,720 | 0.03% | 75,269 | Shares | 2026-08-06 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC Registered adviser | $58,023 | 0.02% | 70,760 | Shares | 2026-08-14 | |
| Mid Engineers Gate Manager LP | $56,305 | 0.02% | 68,665 | Shares | 2026-08-14 | |
| Large Hudson Bay Capital Management LP Registered adviser | $52,512 | 0.02% | 64,040 | Shares | 2026-08-14 | |
| Large PRUDENTIAL FINANCIAL INC Insurer | $49,463 | 0.02% | 60,321 | Shares | 2026-08-12 | |
| Mega SG Americas Securities, LLC | $46,399 | 0.02% | 56,585 | Shares | 2026-08-07 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $45,920 | 0.02% | 56,000 | Put | 2026-08-14 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $43,799 | 0.02% | 53,414 | Shares | 2026-08-13 | |
| Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Benefit plan | $42,558 | 0.02% | 51,900 | Shares | 2026-08-17 | |
| Large Cerity Partners LLC Registered adviser | $40,981 | 0.02% | 49,980 | Shares | 2026-08-14 | |
| Large Focus Partners Wealth Registered adviser | $38,183 | 0.02% | 46,565 | Shares | 2026-08-12 | |
| Mega BARCLAYS PLC Bank | $36,012 | 0.01% | 43,919 | Shares | 2026-08-14 | |
| Mega VICTORY CAPITAL MANAGEMENT INC Registered adviser | $35,592 | 0.01% | 43,405 | Shares | 2026-08-07 | |
| Large PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO | $34,924 | 0.01% | 42,591 | Shares | 2026-08-11 | |
| Large Balyasny Asset Management L.P. Registered adviser | $31,598 | 0.01% | 38,535 | Shares | 2026-08-14 | |
| Mid NEEDHAM INVESTMENT MANAGEMENT LLC Registered adviser | $28,236 | 0.01% | 34,435 | Shares | 2026-08-14 | |
| Mid Atom Investors LP Registered adviser | $24,252 | 0.01% | 29,576 | Shares | 2026-08-14 | |
| Large CAPTRUST FINANCIAL ADVISORS Registered adviser | $23,568 | 0.01% | 28,742 | Shares | 2026-08-13 | |
| Mid EverSource Wealth Advisors, LLC Registered adviser | $22,802 | 0.01% | 27,810 | Shares | 2026-07-24 | |
| Large ExodusPoint Capital Management, LP Registered adviser | $22,030 | 0.01% | 26,867 | Shares | 2026-08-14 | |
| Small Platform Technology Partners Registered adviser | $20,500 | 0.01% | 25,000 | Shares | 2026-07-24 | |
| Large Corient Private Wealth LLC Registered adviser | $20,286 | 0.01% | 24,740 | Shares | 2026-08-27 | |
| Mega SEI INVESTMENTS CO | $19,711 | 0.01% | 24,039 | Shares | 2026-08-14 | |
| Mega CITIGROUP INC Bank | $19,189 | 0.01% | 23,402 | Shares | 2026-08-03 | |
| Mid BRIGHTON JONES LLC Registered adviser | $17,994 | 0.01% | 21,944 | Shares | 2026-08-11 | |
| Mid Laurion Capital Management LP Registered adviser | $17,893 | 0.01% | 21,821 | Shares | 2026-08-13 | |
| Large Connor, Clark & Lunn Investment Management Ltd. Registered adviser | $17,063 | 0.01% | 20,809 | Shares | 2026-08-13 | |
| Mega ROYAL BANK OF CANADA Bank | $15,456 | 0.01% | 18,851 | Shares | 2026-08-14 | |
| Large Jefferies Financial Group Inc. Holding company | $14,493 | 0.01% | 17,675 | Shares | 2026-08-17 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $12,054 | 0.00% | 14,700 | Put | 2026-09-02 | |
| Large Merit Financial Group, LLC Registered adviser | $11,925 | 0.00% | 14,544 | Shares | 2026-07-20 | |
| Mid ALLSTATE CORP Insurer | $11,671 | 0.00% | 14,234 | Shares | 2026-08-13 |
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