Latest Period
Q1 2026
Security Snapshot
GRAIL, Inc. - Common Stock, par value $0.001 per share (GRAL) Institutional Ownership
CUSIP: 384747101
13F Institutional Holders and Ownership History from Q1 2024 to Q1 2026
Institutions Reporting
360
Shares (Excl. Options)
35,114,505
Price
$51.68
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- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- GRAL on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 35,114,505
- Total 13F value
- $1,813,555,991
- Portfolio coverage rank
- 0.01%
- Share change
- +4,901,238
- Value change
- +$172,013,793
- Number of holders
- 360
- Shares outstanding
- 41,108,306
- SEC-reported price per share
- $67.19
- Insider filing price
- $67.19
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- GRAL - GRAIL, Inc. - Common Stock, par value $0.001 per share is tracked under CUSIP 384747101.
- 360 institutions reported positions in Q1 2026.
- 7 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 420 to 360 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $2,568,680,314 to $1,813,555,991.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 360 institutions filings for Q1 2026.
Security key
384747101
Latest holder period
Q1 2026
13F holders
360
13D/G owners
7
CIK / CUSIP context first
Open Q1 2026 holders
GRAL full holder history
GRAIL, Inc. SEC filings
GRAIL, Inc. company facts
GRAIL, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 384747101:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
7
Security
GRAL
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BAKER BROS. ADVISORS LP | 9.8% | +90% | $183,825,657 | +$88,671,912 | 4,028,614 | +93% | Baker Bros. Advisors LP | 31 Mar 2026 |
| Farallon Capital Partners, L.P. | 7.8% | +32% | $148,465,601 | +$41,568,930 | 3,253,684 | +39% | Dapice Joshua J. | 31 Mar 2026 |
| BlackRock, Inc. | 6.5% | $119,741,086 | 2,328,687 | BlackRock, Inc. | 30 Jun 2025 | |||
| PRIMECAP MANAGEMENT CO/CA/ | 4.7% | -17% | $184,052,268 | -$21,862,340 | 1,838,684 | -11% | PRIMECAP MANAGEMENT CO/CA/ | 31 Dec 2025 |
| CRCM LP | 5% | -2.2% | $106,472,314 | -$2,483,456 | 1,800,651 | -2.3% | CRCM LP | 06 Oct 2025 |
| Sessa Capital (Master), L.P. | 4.3% | $56,839,422 | 1,508,077 | Sessa Capital (Master), L.P. | 30 Apr 2025 | |||
| ILLUMINA, INC. | 3.2% | $130,342,813 | 1,302,126 | Illumina, Inc. | 31 Dec 2025 |
As of 31 Mar 2026, 360 institutional investors reported holding 35,114,505 shares of GRAIL, Inc. - Common Stock, par value $0.001 per share (GRAL). This represents 85% of the company’s total 41,108,306 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
69%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BAKER BROS. ADVISORS LP | 9.8% | 4,028,614 | +93% | 1.2% | $208,198,772 |
| FARALLON CAPITAL MANAGEMENT LLC | 7.9% | 3,253,684 | +39% | 1.1% | $168,150,389 |
| BlackRock, Inc. | 7.2% | 2,968,536 | +0.35% | 0% | $153,413,957 |
| STATE STREET CORP | 4.6% | 1,891,893 | +3.5% | 0% | $97,773,030 |
| PRIMECAP MANAGEMENT CO/CA/ | 4.5% | 1,843,772 | +0.28% | 0.08% | $95,286,189 |
| Deep Track Capital, LP | 4.2% | 1,722,797 | +68% | 1.8% | $89,034,149 |
| Sessa Capital IM, L.P. | 4.2% | 1,719,314 | +371% | 1.7% | $88,854,148 |
| MORGAN STANLEY | 4% | 1,632,195 | +8% | 0.01% | $84,351,938 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.7% | 1,527,105 | 0% | 0% | $78,920,786 |
| Arbiter Partners Capital Management LLC | 2.5% | 1,034,597 | -0.1% | 36% | $53,467,973 |
| BANK OF AMERICA CORP /DE/ | 2.2% | 914,114 | +29% | 0% | $47,241,412 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 827,942 | +3.3% | 0% | $42,794,349 |
| Jefferies Financial Group Inc. | 1.6% | 657,500 | 0.41% | $33,979,600 | |
| Alyeska Investment Group, L.P. | 1.6% | 645,456 | +46% | 0.09% | $33,357,166 |
| GOLDMAN SACHS GROUP INC | 1.4% | 581,924 | +8.4% | 0% | $30,073,833 |
| RA CAPITAL MANAGEMENT, L.P. | 1% | 428,266 | 0% | 0.23% | $22,132,787 |
| DIMENSIONAL FUND ADVISORS LP | 0.99% | 408,650 | +88% | 0% | $21,104,239 |
| NORTHERN TRUST CORP | 0.85% | 349,137 | +2.3% | 0% | $18,043,400 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.81% | 334,906 | 0% | 0% | $17,307,942 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.74% | 304,808 | +1565% | 0.02% | $15,752,477 |
| CITIGROUP INC | 0.73% | 302,136 | +347% | 0.01% | $15,614,409 |
| RAYMOND JAMES FINANCIAL INC | 0.71% | 292,138 | +13% | 0% | $15,097,674 |
| AQR CAPITAL MANAGEMENT LLC | 0.71% | 292,004 | -11% | 0.01% | $14,600,204 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.66% | 269,953 | -0.32% | 0% | $13,951,171 |
| Casdin Capital, LLC | 0.56% | 230,000 | 0.9% | $11,886,400 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
9
Latest
Q1 2026
Rows shown
1-9 of 9
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 35,114,505 | $1,813,555,991 | +$172,013,793 | $51.68 | 360 |
| 2025 Q4 | 30,004,538 | $2,568,680,314 | +$451,971,183 | $85.59 | 420 |
| 2025 Q3 | 24,786,958 | $1,465,048,906 | -$76,513,708 | $59.13 | 338 |
| 2025 Q2 | 26,230,654 | $1,345,645,853 | +$123,340,285 | $51.42 | 337 |
| 2025 Q1 | 24,017,434 | $613,074,968 | -$57,042,695 | $25.54 | 299 |
| 2024 Q4 | 26,645,532 | $476,127,386 | +$114,936,938 | $17.85 | 316 |
| 2024 Q3 | 20,334,203 | $279,804,642 | -$22,508,504 | $13.76 | 294 |
| 2024 Q2 | 21,563,159 | $331,427,001 | +$330,401,120 | $15.37 | 356 |
| 2024 Q1 | 135 | $2,015 | +$2,015 | $14.96 | 2 |