Mersana Therapeutics, Inc.
MRSNDelisted Jan 6, 2026- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001442836
Mersana Therapeutics, Inc. was delisted on Jan 6, 2026; its insiders filed their last Form 4 on Jan 6, 2026; 51 institutions reported holding it in 13F filings for Q4 2025, worth $64.8M in total; no superinvestor held it.
Q1 2022 vs. Q4 2021
How the institutions holding Mersana Therapeutics, Inc. changed between Q4 2021 and Q1 2022.
All holders in Q1 2022All holders in Q4 2021
| Measure | Q4 2021 | Q1 2022 | Change |
|---|---|---|---|
| Holders | 122 | 128 | +6 |
| Shares | 70.2M | 80.9M | +10.7M (+15.2%) |
| Value | $436.6M | $322.7M | −$113.9M (−26.1%) |
New holders (21)
Institutions that held Mersana Therapeutics, Inc. at the end of Q1 2022 but not at the end of Q4 2021.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Bank of Montreal | 1,157,635 | $4.67M | 0.00% |
| Decheng Capital Management III (Cayman), LLC | 904,268 | $3.61M | 1.11% |
| Opaleye Management Inc. | 710,000 | $2.83M | 0.88% |
| Pinz Capital Management, LP | 400,000 | $1.60M | 1.00% |
| Healthcare of Ontario Pension Plan Trust Fund | 379,000 | $1.51M | 0.01% |
| EcoR1 Capital, LLC | 326,578 | $1.30M | 0.04% |
| Occudo Quantitative Strategies LP | 138,216 | $551.0K | 0.05% |
| Tudor Investment Corp Et Al | 67,991 | $271.0K | 0.01% |
| Man Group plc | 57,000 | $227.0K | 0.00% |
| Russell Investments Group, Ltd. | 56,458 | $224.0K | 0.00% |
| Schonfeld Strategic Advisors LLC | 52,900 | $211.0K | 0.00% |
| Marshall Wace, LLP | 32,667 | $130.0K | 0.00% |
| Simplex Trading, LLC | 17,180 | $68.0K | 0.00% |
| Grimes & Company, Inc. | 14,369 | $57.0K | 0.00% |
| Virtu Financial LLC | 13,274 | $53.0K | 0.00% |
| AQR Capital Management LLC | 12,712 | $51.0K | 0.00% |
| Amalgamated Financial Corp. | 10,790 | $43.0K | 0.00% |
| Quantbot Technologies LP | 9,354 | $37.0K | 0.00% |
| Victory Capital Management Inc | 10,262 | $36.0K | 0.00% |
| Signaturefd, LLC | 784 | $3.00K | 0.00% |
| Lindbrook Capital, LLC | 659 | $3.00K | 0.00% |
Sold out (15)
Institutions that held Mersana Therapeutics, Inc. at the end of Q4 2021 and filed for Q1 2022 without it.
| Institution | Shares, Q4 2021 | Value, Q4 2021 |
|---|---|---|
| Assenagon Asset Management S.A. | 1,073,748 | $6.68M |
| Point72 Asset Management, L.P. | 818,100 | $5.09M |
| Rafferty Asset Management, LLC | 278,798 | $1.73M |
| Nomura Holdings Inc | 97,865 | $609.0K |
| Voloridge Investment Management, LLC | 84,616 | $526.0K |
| Teachers Retirement System of the State of Kentucky | 47,980 | $298.0K |
| Trexquant Investment LP | 41,317 | $257.0K |
| Algert Global LLC | 25,102 | $156.0K |
| Truist Financial Corp | 16,700 | $104.0K |
| SG Americas Securities, LLC | 16,263 | $101.0K |
| Bridgefront Capital, LLC | 15,622 | $97.0K |
| Dark Forest Capital Management LP | 7,421 | $46.0K |
| Parallel Advisors, LLC | 1,276 | $8.00K |
| The PNC Financial Services Group, Inc. | 478 | $3.00K |
| CWM, LLC | 109 | $1.00K |