This heavy accumulation by multiple active managers at quarter-end is a rare signal of shared thesis. Monitor for upcoming clinical data readouts or pipeline updates that may have driven the buying, as the 45-day 13F lag means the positions could already be unwound. If the accumulation thesis (e.g., positive Phase 2 data) has since materialized, follow-through buying could continue; if not, the cluster may represent a contrarian warning of crowded positioning.
Executive Summary
Ten institutional investors accumulated $17.7M in ANRO during Q3 2024, with zero sellers, signaling strong conviction in Alto Neuroscience's CNS pipeline. Active managers Franklin Resources, Jennison Associates, and Schwab all nearly doubled their positions, adding $10.3M, $4.6M, and $1.4M respectively. This broad accumulation by well-known asset managers at quarter-end suggests anticipation of upcoming clinical catalysts.
Key Financial Metrics
Institutional Positions
Net institutional flow: $17.7M
▲ Buyers (10)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Franklin Resources | ADD | +95.3% | $17.0M | $10.3M |
| Jennison Associates | ADD | +80.3% | $9.5M | $4.6M |
| Schwab | DOUBLED | +182.5% | $2.1M | $1.4M |
| Fred Alger Management | ADD | +56.1% | $2.1M | $833.0K |
Key Facts
- 10 buyers (0 sellers) with aggregate holdings rising from $14.2M to $31.9M
- Franklin Resources added 595.7K shares (+95.3%, $10.3M increase)
- Jennison Associates added 370.6K shares (+80.3%, $4.6M increase)
- Schwab doubled its position (+182.5%, $1.4M increase)
- Exoduspoint Capital Management added 326.3K shares (+39.0%, $4K increase)
- Cluster dominated by active asset managers (not passive index rebalancing)
Financial Impact
10 institutions accumulated a net $17.7M in ANRO, increasing their combined position from $14.2M to $31.9M in Q3 2024. No institutional selling was reported.
Risk Factors
- 13F reporting lag: positions are as of 9/30/2024 and may have been sold since
- Clinical-stage biotech: single trial failure could reverse sentiment
- Small absolute dollar amounts for some funds (e.g., Exoduspoint $13K) reduce conviction signal strength
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-ANRO-2024-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 12, 2026 10w ago | Institutional Cluster | $32.30 $34.25 | ▲ +6.04% | ▲ +8.00% | — |
Jul 14, 2026 14w ago | 8-K | $27.80 $25.90 | ▲ +6.83% | ▲ +5.54% | — |
Jul 14, 2026 14w ago | 424B5 | $27.80 $25.90 | ▲ +6.83% | ▲ +5.54% | — |
Jul 13, 2026 15w ago | 8-K | $28.03 $27.54 | ▼ −1.75% | ▼ −0.96% | — |
Jun 11, 2026 19w ago | Institutional Cluster | $21.47 $22.74 | ▲ +5.92% | ▲ +5.24% | — |
May 29, 2026 21w ago | 3 | $19.80 $18.26 | ▼ −7.78% | ▼ −5.03% | — |
May 28, 2026 21w ago | 8-K | $20.22 $18.85 | ▼ −6.78% | ▼ −6.73% | — |
May 13, 2026 23w ago | 8-K | $22.85 $20.45 | ▼ −10.50% | ▼ −9.35% | — |
Apr 21, 2026 27w ago | EFFECT | $25.59 $24.47 | ▼ −4.38% | ▼ −5.46% | — |
Apr 10, 2026 28w ago | S-3 | $25.75 $27.33 | ▲ +6.14% | ▲ +2.84% | — |
US Market Status
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