RTW Investments IMCR Position
Active7-Fund ConvergenceRTW Investments held their position in Immunocore Holdings plc (IMCR) in Q4 2025, holding $169.0M worth of shares across 4,869,798 shares.
The position was first reported in Q1 2023 and has been tracked across 12 quarterly 13F filings.
IMCR is a convergence signal: 7 specialist biotech funds hold this stock, suggesting high institutional conviction.
There is an upcoming Phase 2 readout for Brenetafusp in 198 days (Oct 31, 2026), making the timing of RTW Investments's position particularly relevant.
Short interest stands at 27.5% of float with 26.4 days to cover, indicating significant bearish positioning against RTW Investments's long thesis.
About Immunocore Holdings plc
Immunocore Holdings plc, a commercial-stage biotechnology company, engages in the development of immunotherapies for the treatment of cancer, infectious, and autoimmune diseases. The company offers KIMMTRAK for the treatment of patients with unresectable or metastatic uveal melanoma. Its other programs for oncology comprise IMC-C103C that is in Phase I/II dose escalation trial in patients with solid tumor cancers, including non-small-cell lung (NSCLC), gastric, head and neck, ovarian, and synovial sarcoma cancers; IMC-F106C, which is in a Phase I/II dose escalation trial in patients with multiple solid tumor cancers comprising NSCLC, small-cell lung, endometrial, ovarian, cutaneous melanoma, and breast cancers. In addition, the company's programs for infectious diseases include IMC-I109V, which is in a Phase I/II clinical trial in patients with chronic hepatitis B virus; and IMC-M113V that is in pre-clinical development stage for patients with human immunosuppression virus. Further, it develops product candidates to provide precision targeted immunosuppression for the treatment of autoimmune diseases. Immunocore Holdings plc was founded in 1999 and is headquartered in Abingdon, the United Kingdom.
Full company profile →Short Interest
27.5%
26.4 days to cover
RTW Investments IMCR Position History
| Quarter | Action | Shares | Change | Value |
|---|---|---|---|---|
| Q4 2025 | Held | 4,869,798 | — | $169.0M |
| Q3 2025 | Held | 4,869,798 | — | $176.9M |
| Q2 2025 | Held | 4,869,798 | — | $152.8M |
| Q1 2025 | Held | 4,869,798 | — | $144.5M |
| Q4 2024 | Held | 4,869,798 | — | $143.7M |
| Q3 2024 | Held | 4,869,798 | — | $151.6M |
| Q2 2024 | Decreased | 4,869,798 | -1,149,843 | $165.0M |
| Q1 2024 | Decreased | 6,019,641 | -76,746 | $391.3M |
| Q4 2023 | Held | 6,096,387 | — | $416.5M |
| Q3 2023 | Increased | 6,096,387 | +66,754 | $316.4M |
| Q2 2023 | Increased | 6,029,633 | +379,690 | $361.5M |
| Q1 2023 | New | 5,649,943 | +5,649,943 | $279.3M |
Frequently Asked Questions
Does RTW Investments own IMCR?
Yes. As of Q4 2025, RTW Investments holds 4,869,798 shares of Immunocore Holdings plc (IMCR) valued at $169.0M. This data comes from their SEC 13F filing.
How many hedge funds own IMCR?
7 specialist biotech hedge funds currently hold IMCR, including Rock Springs Capital, Baker Bros. Advisors, Tang Capital Management and 3 more. When 3 or more specialist funds hold the same stock, BiotechEdge flags it as a convergence signal.
When did RTW Investments first buy IMCR?
RTW Investments's position in IMCR was first reported in Q1 2023. 13F filings are reported with a 45-day delay, so the actual purchase may have occurred earlier in the quarter.
Is RTW Investments's IMCR position increasing or decreasing?
RTW Investments held their IMCR position unchanged in the most recent quarter.
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