GRAIL INC GRAL
COM · Common Stock · CUSIP 384747101 · ISIN US3847471014
American biotechnology and pharmaceutical company
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($825.9k this quarter). Holder counts are more reliable. Shares outstanding: 44.7m as of 2026-08-03, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $68.23. Options: 13 managers hold calls ($66.0m notional), 13 hold puts ($91.0m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q1 2024 | 2 |
| Q2 2024 | 371 |
| Q3 2024 | 314 |
| Q4 2024 | 334 |
| Q1 2025 | 317 |
| Q2 2025 | 346 |
| Q3 2025 | 349 |
| Q4 2025 | 426 |
| Q1 2026 | 367 |
| Q2 2026 | 374 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 136 | 256 |
| Q4 2024 | 124 | 133 |
| Q1 2025 | 124 | 148 |
| Q2 2025 | 166 | 116 |
| Q3 2025 | 134 | 162 |
| Q4 2025 | 216 | 136 |
| Q1 2026 | 140 | 209 |
| Q2 2026 | 178 | 147 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $97.7m | $22.9m | 0.23 |
| Q4 2025 | $159.6m | $54.2m | 0.34 |
| Q1 2026 | $65.2m | $67.9m | 1.04 |
| Q2 2026 | $66.0m | $91.0m | 1.38 |
Biggest buyers
| Arbiter Partners Capital Management LLC | Added | +1.0m |
| FARALLON CAPITAL MANAGEMENT, L.L.C. | Added | +907.9k |
| BlackRock, Inc. | Added | +608.5k |
| STATE STREET CORP | Added | +493.6k |
| KINGDON CAPITAL MANAGEMENT, L.L.C. | New | +340.0k |
| PRIMECAP MANAGEMENT CO/CA/ | Added | +336.3k |
| Sessa Capital IM, L.P. | Added | +318.2k |
| Granahan Investment Management, LLC | Added | +271.5k |
| DIMENSIONAL FUND ADVISORS LP | Added | +270.9k |
| T. Rowe Price Investment Management, Inc. | New | +250.4k |
Biggest sellers
| Alyeska Investment Group, L.P. | Reduced | -540.5k |
| RA CAPITAL MANAGEMENT, L.P. | Sold out | -428.3k |
| Carnegie Investment Counsel | Sold out | -217.1k |
| BANK OF AMERICA CORP /DE/ | Reduced | -190.7k |
| MORGAN STANLEY | Reduced | -170.0k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -149.5k |
| BRAIDWELL LP | Sold out | -142.8k |
| CAPITAL FUND MANAGEMENT S.A. | Sold out | -132.9k |
| NATIXIS | Reduced | -129.1k |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | -117.5k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $25.4m372.0k shares |
| CITADEL ADVISORS LLC | Added | $14.6m214.1k shares |
| GROUP ONE TRADING LLC | Reduced | $7.8m113.7k shares |
| IMC-Chicago, LLC | Reduced | $4.6m68.0k shares |
| JANE STREET GROUP, LLC | Reduced | $3.8m55.3k shares |
| Centiva Capital, LP | Unchanged | $3.4m50.0k shares |
| BNP PARIBAS FINANCIAL MARKETS | Unchanged | $3.1m450 shares |
| SIMPLEX TRADING, LLC | Added | $1.9m27.9k shares |
| UBS Group AG | Unchanged | $771.5k11.3k shares |
| D. E. Shaw & Co., Inc. | Reduced | $232.1k3.4k shares |
Biggest puts
| Jefferies Financial Group Inc. | Unchanged | $44.4m650.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $24.6m359.8k shares |
| IMC-Chicago, LLC | Added | $5.0m72.9k shares |
| CITADEL ADVISORS LLC | Added | $4.6m67.4k shares |
| Parkman Healthcare Partners LLC | New | $3.1m46.0k shares |
| D. E. Shaw & Co., Inc. | Unchanged | $3.1m45.0k shares |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | $2.3m330 shares |
| GROUP ONE TRADING LLC | Added | $1.8m26.5k shares |
| JANE STREET GROUP, LLC | Reduced | $955.8k14.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $525.7k7.7k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BAKER BROS. ADVISORS LP 13G · institution +4.5 pts · filed 2026-05-15 | 9.8% |
| FARALLON CAPITAL MANAGEMENT, L.L.C. 13G · institution filed 2026-08-13 | 9.6% |
| BlackRock, Inc. 13G · institution +1.4 pts · filed 2026-07-28 | 7.9% |
| Farallon Capital Partners, L.P. 13G · passive investor +1.9 pts · filed 2026-05-11 | 7.8% |
| STATE STREET CORP 13G · institution new · filed 2026-08-07 | 5.6% |
| PRIMECAP MANAGEMENT CO/CA/ 13G · institution +0.4 pts · filed 2026-08-06 | 5.1% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27), ILLUMINA, INC. (3.2%, 2026-02-17)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 2 | $2.2m | — |
| Q1 2025 | 0 | — | 3 | $445.1k | — |
| Q2 2025 | 0 | — | 3 | $7.1m | $914.0k |
| Q3 2025 | 0 | — | 2 | $474.1k | $311.4k |
| Q4 2025 | 0 | — | 3 | $15.1m | $1.8m |
| Q1 2026 | 0 | — | 3 | $4.0m | — |
| Q2 2026 | 0 | — | 4 | $11.6m | — |
| Q3 2026 | 0 | — | 2 | $7.5m | $7.5m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-09-21 | Ofman Joshua J. Chief Executive Officer, director | Sold plan | $6.0m61.5k shares |
| 2026-09-21 | Freidin Aaron Chief Financial Officer | Sold plan | $382.7k4.1k shares |
| 2026-08-27 | Freidin Aaron Chief Financial Officer | Sold plan | $671.6k7.9k shares |
| 2026-08-27 | Ofman Joshua J. Chief Executive Officer, director | Sold plan | $425.1k5.0k shares |
| 2026-06-04 | Partridge Andrew John Chief Growth Officer | Sold | $91.1k1.5k shares |
| 2026-04-08 | RAGUSA ROBERT P Chief Executive Officer, director | Sold | $6.2m123.5k shares |
| 2026-04-08 | Ofman Joshua J. President, director | Sold | $3.1m61.7k shares |
| 2026-04-08 | Freidin Aaron Chief Financial Officer | Sold | $2.3m45.8k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| FARALLON CAPITAL MANAGEMENT, L.L.C. 1.66% of their portfolio | 4.2m $284.1m | Added +907.9k |
| BAKER BROS. ADVISORS LP 1.38% of their portfolio | 4.0m $275.0m | Unchanged |
| BlackRock, Inc. 0.00% of their portfolio | 3.6m $244.2m | Added +608.5k |
| STATE STREET CORP 0.00% of their portfolio | 2.4m $162.9m | Added +493.6k |
| PRIMECAP MANAGEMENT CO/CA/ 0.09% of their portfolio | 2.2m $148.8m | Added +336.3k |
| Arbiter Partners Capital Management LLC 39.13% of their portfolio | 2.1m $141.2m | Added +1.0m |
| Sessa Capital IM, L.P. 2.41% of their portfolio | 2.0m $139.1m | Added +318.2k |
| Deep Track Capital, LP 1.85% of their portfolio | 1.8m $125.3m | Added +112.1k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 1.6m $112.0m | Added +114.0k |
| MORGAN STANLEY 0.01% of their portfolio | 1.5m $99.8m | Reduced -170.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 991.4k $67.7m | Added +163.4k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 748.0k $51.1m | Added +166.1k |
| Jefferies Financial Group Inc. 0.45% of their portfolio | 724.0k $49.4m | Added +66.5k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 723.4k $49.4m | Reduced -190.7k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 679.6k $46.4m | Added +270.9k |
| Casdin Capital, LLC 1.64% of their portfolio | 480.0k $32.8m | Added +250.0k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 478.0k $32.6m | Added +143.1k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 372.6k $25.4m | Added +23.5k |
| CITIGROUP INC 0.01% of their portfolio | 371.3k $25.3m | Added +69.1k |
| KINGDON CAPITAL MANAGEMENT, L.L.C. 3.13% of their portfolio | 340.0k $23.2m | New |
| Granahan Investment Management, LLC 0.78% of their portfolio | 321.2k $21.9m | Added +271.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 300.6k $20.5m | Added +30.7k |
| RAYMOND JAMES FINANCIAL INC 0.01% of their portfolio | 292.8k $20.0m | Added +691 |
| T. Rowe Price Investment Management, Inc. 0.01% of their portfolio | 250.4k $17.1m | New |
| UBS Group AG 0.00% of their portfolio | 249.8k $17.1m | Added +64.4k |
| Aberdeen Group plc 0.02% of their portfolio | 229.5k $15.7m | Added +12.1k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 224.9k $15.4m | Added +23.7k |
| Slow Capital, Inc. 1.73% of their portfolio | 217.3k $14.8m | Reduced -11.0k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 211.3k $14.2m | Reduced -80.7k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 194.2k $13.3m | Added +155.6k |
| TCW GROUP INC 0.09% of their portfolio | 191.9k $13.1m | Added +600 |
| Douglas Lane & Associates, LLC 0.15% of their portfolio | 162.3k $11.1m | Added +816 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio | 155.3k $10.6m | Reduced -149.5k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 154.1k $10.5m | Added +20.2k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 151.9k $10.4m | Added +3.9k |
| Newtyn Management, LLC 1.28% of their portfolio | 150.0k $10.2m | Unchanged |
| 180 WEALTH ADVISORS, LLC 0.87% of their portfolio | 127.8k $8.7m | Added +427 |
| FMR LLC 0.00% of their portfolio | 126.7k $8.7m | Added +70.4k |
| Voleon Capital Management LP 0.15% of their portfolio | 121.1k $8.3m | Reduced -23.9k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 116.1k $7.9m | Added +34.5k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 114.8k $8.0m | Reduced -2.0k |
| Invesco Ltd. 0.00% of their portfolio | 113.4k $7.7m | Reduced -15.6k |
| WIM INVESTMENT MANAGEMENT Ltd 2.38% of their portfolio | 106.4k $7.3m | Unchanged |
| Alyeska Investment Group, L.P. 0.02% of their portfolio | 105.0k $7.2m | Reduced -540.5k |
| Allianz Asset Management GmbH 0.01% of their portfolio | 103.1k $6.3m | Reduced -80.0k |
| Legal & General Group Plc 0.00% of their portfolio | 100.6k $6.9m | Added +14.5k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 99.2k $6.8m | Added +8.7k |
| Nuveen, LLC 0.00% of their portfolio | 91.8k $6.3m | Reduced -16.2k |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.01% of their portfolio | 85.1k $5.8m | New |
| Swiss National Bank 0.00% of their portfolio | 76.2k $5.2m | Added +6.8k |
| Susquehanna Portfolio Strategies, LLC 0.08% of their portfolio | 71.1k $4.9m | Added +58.7k |
| NATIXIS 0.02% of their portfolio | 70.2k $4.8m | Reduced -129.1k |
| BARCLAYS PLC 0.00% of their portfolio | 70.0k $4.8m | Added +8.7k |
| GAMCO INVESTORS, INC. ET AL 0.04% of their portfolio | 66.7k $4.6m | Reduced -45 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 66.1k $4.5m | Added +9.1k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 59.8k $4.1m | Added +16.0k |
| Rockefeller Capital Management L.P. 0.01% of their portfolio | 57.8k $3.9m | Reduced -1.3k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 57.5k $3.9m | Added +13.3k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.01% of their portfolio | 55.8k $3.8m | Added +21.0k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 55.3k $3.8m | Added +8.8k |
| Public Sector Pension Investment Board 0.01% of their portfolio | 53.2k $3.6m | Added +47.4k |
| Pictet Asset Management Holding SA 0.00% of their portfolio | 50.0k $3.4m | Reduced -3.2k |
| Verition Fund Management LLC 0.02% of their portfolio | 48.8k $3.3m | New |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 48.2k $2.5m | Added +9.9k |
| Creative Planning 0.00% of their portfolio | 47.7k $3.3m | Added +38.2k |
| Legal Advantage Investments, Inc. 1.07% of their portfolio | 44.6k $3.0m | Added +125 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 43.4k $3.0m | Reduced -1.0k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 42.5k $2.9m | Added +2.7k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 41.6k $2.8m | Added +11.4k |
| HighTower Advisors, LLC 0.00% of their portfolio | 40.6k $2.8m | Added +1.4k |
| Rafferty Asset Management, LLC 0.01% of their portfolio | 39.5k $2.7m | Reduced -15.9k |
| Timelo Investment Management Inc. 3.33% of their portfolio | 39.0k $2.7m | Added +24.0k |
| NORDEA INVESTMENT MANAGEMENT AB 0.00% of their portfolio | 35.1k $2.3m | New |
| Lido Advisors, LLC 0.01% of their portfolio | 33.3k $2.3m | New |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 31.5k $2.2m | Reduced -2.3k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 31.3k $2.1m | Reduced -117.5k |
| Summit Financial, LLC 0.02% of their portfolio | 30.8k $2.1m | Added +550 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio | 30.7k $2.2m | Reduced -1.1k |
| GABELLI FUNDS LLC 0.01% of their portfolio | 30.3k $2.1m | Unchanged |
| Concurrent Investment Advisors, LLC 0.02% of their portfolio | 30.3k $2.1m | Added +12.0k |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 30.2k $2.0m | Added +9.1k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 28.4k $1.9m | Added +20.4k |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 28.1k $1.9m | Added +151 |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 27.4k $1.9m | Reduced -37.3k |
| COMMERCE BANK 0.01% of their portfolio | 27.0k $1.8m | Reduced -71 |
| Gem Investment Advisors, LLC 1.12% of their portfolio | 26.8k $1.8m | Unchanged |
| VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio | 26.7k $1.8m | Added +2.7k |
| Legato Capital Management LLC 0.15% of their portfolio | 26.4k $1.8m | Reduced -13.0k |
| PVG ASSET MANAGEMENT CORP 1.02% of their portfolio | 25.9k $1.8m | Reduced -20 |
| CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio | 25.8k $1.8m | Reduced -1.5k |
| IMC-Chicago, LLC 0.02% of their portfolio | 25.1k $1.7m | Added +3.0k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 24.6k $1.7m | Added +14.2k |
| MetLife Investment Management, LLC 0.01% of their portfolio | 24.2k $1.6m | Added +4.5k |
| Gotham Asset Management, LLC 0.00% of their portfolio | 23.9k $1.6m | Added +4.0k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 23.6k $1.6m | Added +3.2k |
| Quantinno Capital Management LP 0.00% of their portfolio | 23.3k $1.6m | Added +4.6k |
| CLOUGH CAPITAL PARTNERS L P 0.13% of their portfolio | 22.9k $1.6m | New |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 22.3k $1.5m | Reduced -222 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 21.6k $1.5m | Added +4.5k |
| LPL Financial LLC 0.00% of their portfolio | 20.4k $1.4m | Reduced -16.0k |