SC 13G ·Filed Sep 25, 2026
Passive investor 5%+ stake
Actionable Insight • Neutral
Monitor for any subsequent conversion to Schedule 13D, which would signal activist intent. For now, this is a passive position with no immediate catalyst.
Latest settled — T+5d
TCRX ▼ -13.15% at T+5d
NEUTRAL call -13.15% · α vs SPY -14.35% · entry $0.3400 → $0.2953
Latest observation: T+19 +0.19% FF3 residual α
T+1d
-6.62%
call -6.62% · α -6.43%
$0.3175
settled 28d ago
T+5d
-13.15%
call -13.15% · α -14.35%
$0.2953
settled 24d ago
T+20d
Pending
due 3d ago
T+60d
Pending
in 8w
Price Chart
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Executive Summary
Readout Capital, LP disclosed a new 5.4% passive stake in TScan Therapeutics via a Schedule 13G filed September 25, 2026, reporting beneficial ownership of 3,453,388 shares. The filing certifies no intent to influence control, making this a routine passive investment disclosure.
Key Financial Metrics
Stake
5.4%
Investor
Readout Capital, LP
Investor Type
hedge fund
Key Facts
- Readout Capital, LP filed a new Schedule 13G on September 25, 2026
- Reports beneficial ownership of 3,453,388 shares of TScan Therapeutics common stock
- Represents 5.4% of shares outstanding based on 63,502,667 shares outstanding as of August 7, 2026
- Filing certifies under Rule 13d-1(c) that securities were not acquired to influence control
- Joint filers include Readout Capital GP, LLC and Matthew Smith
Financial Impact
Passive 5.4% stake with no control intent; no financial impact from the filing itself
Risk Factors
- Readout Capital could later convert to an activist 13D filing, introducing governance pressure
- A 5.4% stake is below typical activist threshold but could be built upon
Investment Themes
Biotech & Drug Discovery
Documents Analyzed
This report is based on 4 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G Filing (Primary) | 0002063423-26-000002 |
| Document: 0002063423-26-000002-index-headers.html | 0002063423-26-000002 |
| Document: 0002063423-26-000002-index.html | 0002063423-26-000002 |
| Document: 0002063423-26-000002.txt | 0002063423-26-000002 |
14 reports for TCRX
86% Hit rate @ T+20 Went positive at some point 7 of 7 best @ T+20▲ +58.87%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | DEF 14A | — | awaiting T+20 | — | — |
Oct 16, 2026 9d ago | 8-K | $0.2102 | awaiting T+20 | — | $0.1881 (−10.51%) |
Sep 30, 2026 25d ago | 8-K | $0.3175 | awaiting T+20 | — | $0.1881 (−40.76%) |
Sep 25, 2026 4w ago | SC 13G | $0.3400 | awaiting T+20 | — | $0.1881 (−44.68%) |
Sep 11, 2026 6w ago | 8-K | $0.3204 $0.2380 | ▼ −25.72% | ▼ −27.59% | $0.1881 (−41.29%) |
Sep 2, 2026 7w ago | 8-K | $0.3810 $0.3150 | ▲ +17.32% | ▲ +17.24% | $0.1881 (+50.63%) |
Aug 18, 2026 9w ago | 8-K | $0.7500 $0.3335 | ▲ +55.53% | ▲ +53.58% | $0.1881 (+74.92%) |
Aug 12, 2026 10w ago | 8-K | $0.7730 $0.3179 | ▲ +58.87% | ▲ +56.98% | $0.1881 (+75.67%) |
Aug 12, 2026 10w ago | Press Release | $0.7730 $0.3179 | ▲ +58.87% | ▲ +56.98% | $0.1881 (+75.67%) |
Jun 22, 2026 18w ago | 8-K | $0.8651 $0.9148 | ▲ +5.75% | ▲ +5.89% | $0.1881 (−78.26%) |
Showing 10 of 14
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