GRAIL Ownership | Who Owns GRAIL?
GRAIL Ownership Summary
GRAIL is owned by 94.29% institutional investors, 5.02% insiders, and 0.69% retail investors. Farallon capital management is the largest institutional shareholder, holding 10.24% of GRAL shares. PRIMECAP Odyssey Aggressive Growth is the top mutual fund, with 3.68% of its assets in GRAIL shares.
GRAL Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | GRAIL | 94.29% | 5.02% | 0.69% |
| Sector | Healthcare Stocks | 246.48% | 12.12% | -158.60% |
| Industry | Diagnostics & Research Stocks | 87.40% | 9.69% | 2.92% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Farallon capital management | 4.16M | 10.24% | $284.11M |
| Baker bros. advisors lp | 4.03M | 9.91% | $275.03M |
| Blackrock funding, inc. /de | 3.58M | 8.80% | $244.21M |
| State street | 2.39M | 5.87% | $162.86M |
| Vanguard group | 1.98M | 5.48% | $169.54M |
| Primecap management co/ca/ | 2.18M | 5.36% | $148.84M |
| Sessa capital im | 2.04M | 5.01% | $139.10M |
| Deep track capital, lp | 1.83M | 4.51% | $125.27M |
| Vanguard capital management | 1.64M | 4.04% | $112.04M |
| Morgan stanley | 1.46M | 3.60% | $99.82M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Arbiter partners capital management | 1.03M | 37.18% | $70.61M |
| One fin capital management lp | 380.00K | 7.39% | $22.47M |
| Slow capital | 218.36K | 3.44% | $30.60M |
| Pvg asset management | 25.66K | 2.45% | $3.60M |
| Wim investment management | 106.40K | 2.38% | $7.26M |
| Kingdon capital management | 340.00K | 2.38% | $23.21M |
| Sessa capital im | 2.04M | 2.33% | $139.10M |
| Deep track capital, lp | 1.83M | 1.82% | $125.27M |
| Casdin capital | 480.00K | 1.64% | $32.77M |
| Legal advantage investments | 48.63K | 1.46% | $6.81M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Farallon capital management | 4.16M | 1.31% | 907.90K |
| Jefferies financial group | 657.50K | 0.23% | 657.50K |
| Blackrock funding, inc. /de | 3.58M | 0.00% | 608.54K |
| State street | 2.39M | 0.00% | 493.62K |
| Kingdon capital management | 340.00K | 2.38% | 340.00K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Crcm lp | - | - | -1.07M |
| Wealthquest | - | - | -714.46K |
| Alyeska investment group | 105.00K | 0.02% | -540.46K |
| Ra capital management | - | - | -428.27K |
| Capstone investment advisors | - | - | -369.80K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Jefferies financial group | 657.50K | 0.23% | 657.50K | $33.98M |
| Kingdon capital management | 340.00K | 2.38% | 340.00K | $23.21M |
| Sixth street partners management company | 300.63K | 0.00% | 300.63K | $20.52M |
| Fideuram - intesa sanpaolo private banking s.p.a. | 155.76K | 0.62% | 155.76K | $21.83M |
| Macquarie management | 85.09K | 0.01% | 85.09K | $5.81M |
Sold Out
| Holder | Change |
|---|---|
| Private trust co na | -1.00 |
| Global trust asset management | -1.00 |
| Hollencrest capital management | -1.00 |
| Hhm wealth advisors | -1.00 |
| Eagle bay advisors | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 388 | 0.78% | 38,319,269 | 8.93% | 94 | 1.03% | 179 | 24.31% | 100 | -15.97% |
| Mar 31, 2026 | 375 | -14.58% | 34,189,862 | 13.96% | 83 | 1.22% | 139 | -42.08% | 116 | 16.00% |
| Dec 31, 2025 | 154 | -57.69% | 4,153,352 | -83.27% | 11 | 0.23% | 77 | -44.20% | 35 | -69.03% |
| Sep 30, 2025 | 157 | -56.75% | 4,532,304 | -82.73% | 12 | 0.23% | 49 | -72.93% | 46 | -40.26% |
| Jun 30, 2025 | 357 | 12.26% | 26,085,825 | 5.46% | 74 | 1.43% | 177 | 27.34% | 78 | -4.88% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| PRIMECAP Odyssey Aggressive Growth | 1.58M | 3.68% | 269.60K |
| Vanguard MStar Total Stk Mkt Idx Invest | 1.30M | 2.92% | 70.38K |
| Vanguard Total Stock Mkt Idx Inv | 1.23M | 2.86% | 65.73K |
| Vanguard Morn Total Stk Mkt Idx Investor | 1.23M | 2.86% | 65.73K |
| iShares Russell 2000 ETF | 1.07M | 2.39% | -12.29K |
| State Street® SPDR® S&P® Biotech ETF | 985.76K | 2.21% | -18.85K |
| Fidelity Small Cap Index | 451.83K | 1.01% | 3.95K |
| iShares Russell 2000 Value ETF | 387.26K | 0.87% | 588.00 |
| Vanguard Institutional Extnd Mkt Idx Tr | 374.94K | 0.84% | 646.00 |
| iShares Biotechnology ETF | 328.88K | 0.74% | -2.49K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 15, 2026 | Ofman Joshua J. | Chief Executive Officer | Sell | $964.95K |
| Oct 15, 2026 | Ofman Joshua J. | Chief Executive Officer | Sell | $134.38K |
| Oct 15, 2026 | Ofman Joshua J. | Chief Executive Officer | Sell | $460.51K |
| Oct 15, 2026 | Ofman Joshua J. | Chief Executive Officer | Sell | $53.25K |
| Oct 15, 2026 | Ofman Joshua J. | Chief Executive Officer | Sell | $830.47K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | 8 |
| 2026 Q3 | - | 13 |
| 2026 Q2 | - | 4 |
| 2026 Q1 | - | 15 |
| 2025 Q4 | - | 13 |
GRAL Ownership FAQ
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