Deep Track's new 8.6% stake signals conviction in Alector's post-Genentech deal outlook. Monitor for any future conversion to a 13D if the fund shifts to an activist posture, though the 13G certification disclaims control intent. The stake size is material enough that any insider selling or dilution could trigger a filing amendment.
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Executive Summary
Deep Track Capital, a healthcare-focused hedge fund, disclosed a new 8.61% passive stake in Alector via a Schedule 13G, holding 12,772,152 shares as of October 23, 2026. The filing comes just weeks after Alector announced a major licensing deal with Genentech that extended its cash runway into 2029, suggesting Deep Track built the position around that catalyst.
Key Financial Metrics
Key Facts
- Deep Track Capital reported beneficial ownership of 12,772,152 shares of Alector common stock, representing 8.61% of shares outstanding.
- The stake is held through Deep Track Biotechnology Master Fund, Ltd., with David Kroin as the control person.
- This is a new position (not an amendment) filed as a passive Schedule 13G, indicating no intent to influence control.
- The filing uses 148,256,805 shares outstanding as of October 16, 2026, per the issuer's prospectus.
- Deep Track Capital is a healthcare-dedicated hedge fund based in Greenwich, CT, known for concentrated biotech bets.
Financial Impact
8.61% passive stake valued at approximately $28.1M based on recent trading levels (no explicit price in filing)
Risk Factors
- Deep Track could later convert to a 13D and push for strategic changes, though the current filing disclaims activist intent.
- The 8.61% stake is based on a share count that may change with future offerings or warrant exercises.
- Biotech hedge funds may reduce positions quickly if pipeline catalysts disappoint.
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G Filing (Primary) | 0001172661-26-004680 |
| Document: 0001172661-26-004680-index.html | 0001172661-26-004680 |
| Document: 0001172661-26-004680.txt | 0001172661-26-004680 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | SC 13G | $1.82 | awaiting T+60 | — | $1.83 (+0.55%) |
Oct 23, 2026 3d ago | SC 13G | $1.84 | awaiting T+60 | — | $1.83 (−0.33%) |
Oct 16, 2026 10d ago | 424B5 | $1.95 | awaiting T+60 | — | $1.83 (+6.15%) |
Oct 16, 2026 10d ago | 8-K | $1.95 | awaiting T+60 | — | $1.83 (+6.15%) |
Oct 14, 2026 12d ago | 8-K | $1.88 | awaiting T+60 | — | $1.83 (−2.66%) |
Oct 5, 2026 21d ago | 8-K | $1.99 | awaiting T+60 | — | $1.83 (−8.04%) |
Oct 5, 2026 21d ago | Press Release | $1.99 | awaiting T+60 | — | $1.83 (−8.04%) |
Sep 18, 2026 5w ago | SC 13G | $1.93 | awaiting T+60 | — | $1.83 (−5.18%) |
Sep 4, 2026 7w ago | Insider Cluster | $2.47 | awaiting T+60 | — | $1.83 (−25.91%) |
Aug 15, 2026 10w ago | Institutional Cluster | $2.05 | awaiting T+60 | — | $1.83 (−10.73%) |
US Market Status
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