GRAL GRAIL, Inc.
Executive Summary
A strong institutional accumulation cluster emerged in GRAL during Q4 2025, with 8 buyers adding $232.6M in net new positions versus only 2 sellers trimming a negligible $172K. The buying was dominated by mega-passive managers (Fidelity, State Street, Morgan Stanley, BofA) and several asset managers (Dimensional, Ameriprise, Franklin Resources) who doubled or more-than-doubled their stakes. This broad-based, same-direction buying suggests a shared positive catalyst or re-rating thesis for GRAIL's multi-cancer early detection platform, though the 45-day reporting lag means positions may have been adjusted since quarter-end.
Key Financial Metrics
Institutional Positions
Net institutional flow: $232.4M
▲ Buyers (8)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| State Street | ADD | +38.8% | $156.4M | $78.5M |
| Morgan Stanley | ADD | +63.8% | $129.4M | $74.8M |
| BofA | DOUBLED | +111.3% | $60.6M | $40.8M |
| Fidelity | ADD | +50.1% | $14.0M | $7.5M |
| Franklin Resources | DOUBLED | +3072.7% | $12.5M | $12.2M |
| Dimensional Fund Advisors | DOUBLED | +364.7% | $18.6M | $15.8M |
| Ameriprise Financial | DOUBLED | +290.9% | $3.5M | $2.9M |
| T. Rowe Price | DOUBLED | +564.9% | $18.0K | $16.0K |
▼ Sellers (2)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Two Sigma | TRIM | -31% | $8.7M | -$11.0K |
| Envestnet Asset Management | TRIM | -50% | $584.0K | -$161.4K |
Actionable Insight
The Q4 2025 cluster shows broad institutional conviction in GRAL's multi-cancer detection story, but the 45-day 13F reporting lag means these positions are already stale. Watch for Q1 2026 13F filings (due mid-May) to see if the accumulation continued or reversed. The stock has rallied significantly since Q4-end (implied by the +48.76% T+20 return on the April 2026 neutral report), so some of this thesis may already be priced in. Monitor upcoming earnings and any Galleri test volume updates for confirmation.
Key Facts
- 8 institutional buyers added a net $232.6M in GRAL during Q4 2025, while only 2 sellers trimmed a combined $172K
- State Street added $78.5M (+38.8% shares), Morgan Stanley added $74.8M (+63.8%), BofA added $40.8M (+111.3%)
- Franklin Resources increased its stake by 3,072.7% (from $272K to $12.5M), Dimensional Fund Advisors doubled to $18.6M
- Two Sigma trimmed 31% of its position (value essentially flat at $8.7M), Envestnet trimmed 50% ($161K reduction)
- Total buyer holdings reached $395.0M at quarter-end, up from $162.4M at start of Q4
- 64% of sell-side analysts rate GRAL as Buy or Strong Buy; market cap is $2.5B
Financial Impact
8 institutions accumulated $232.6M in net new GRAL positions during Q4 2025, while 2 sellers reduced holdings by $172K — a net inflow of approximately $232.4M
Risk Factors
- 13F data is 45+ days stale — positions may have been partially or fully unwound since quarter-end
- The cluster is dominated by mega-passive managers (State Street, Morgan Stanley, BofA, Fidelity) whose moves may reflect index rebalancing rather than active conviction
- GRAL remains a pre-profit clinical-stage company with uncertain commercial adoption of its Galleri test
- Historical calibration shows score-6/7/8 filings in this segment have only ~32-36% probability of positive T+20 alpha, with average net alpha of -1.13% after costs
Market Snapshot
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-GRAL-2025-Q4 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 11, 2026
1d ago
|
Institutional Cluster
| $60.82 awaiting T+20 | awaiting T+20 | — | — |
|
Apr 28, 2026
6w ago
|
DEFA14A
| $49.69 $73.92 | ▲ +48.76% | ▲ +42.71% | — |
|
Apr 8, 2026
9w ago
|
Insider Cluster
| $50.78 $54.40 | ▼ −7.13% | ▲ +1.42% | — |
|
Mar 2, 2026
14w ago
|
Insider Cluster
| $52.63 $46.90 | ▲ +10.89% | ▲ +2.95% | — |
|
Mar 2, 2026
14w ago
|
Insider Cluster
| $52.63 $46.90 | ▲ +10.89% | ▲ +2.95% | — |
US Market Status
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