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.
Q4 2022 vs. Q3 2022
How the institutions holding Mersana Therapeutics, Inc. changed between Q3 2022 and Q4 2022.
All holders in Q4 2022All holders in Q3 2022
| Measure | Q3 2022 | Q4 2022 | Change |
|---|---|---|---|
| Holders | 152 | 152 | 0 |
| Shares | 92.2M | 101.2M | +8.95M (+9.7%) |
| Value | $623.4M | $592.8M | −$30.6M (−4.9%) |
New holders (20)
Institutions that held Mersana Therapeutics, Inc. at the end of Q4 2022 but not at the end of Q3 2022.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Braidwell LP | 1,862,700 | $10.9M | 0.37% |
| Acuta Capital Partners, LLC | 950,000 | $5.57M | 3.43% |
| CIBC Asset Management Inc | 566,785 | $3.32M | 0.01% |
| Woodline Partners LP | 523,408 | $3.07M | 0.04% |
| Rhenman & Partners Asset Management AB | 400,000 | $2.34M | 0.24% |
| Mackenzie Financial Corp | 73,692 | $431.8K | 0.00% |
| Alps Advisors Inc | 67,736 | $396.9K | 0.00% |
| Skandinaviska Enskilda Banken AB (publ) | 61,322 | $359.0K | 0.00% |
| Thrivent Financial for Lutherans | 60,922 | $357.0K | 0.00% |
| Alpha Paradigm Partners, LLC | 58,578 | $343.0K | 0.14% |
| Oversea-Chinese Banking CORP Ltd | 42,500 | $249.0K | 0.01% |
| Boulder Hill Capital Management LP | 23,000 | $134.8K | 0.11% |
| Raymond James & Associates | 19,431 | $113.9K | 0.00% |
| Man Group plc | 15,963 | $93.5K | 0.00% |
| Two Sigma Securities, LLC | 15,226 | $89.2K | 0.01% |
| Pictet Asset Management SA | 11,490 | $67.0K | 0.00% |
| Point72 Middle East FZE | 9,566 | $56.1K | 0.00% |
| Dorsey Wright & Associates | 2,988 | $17.5K | 0.01% |
| Steward Partners Investment Advisory, LLC | 225 | $1.32K | 0.00% |
| GWM Advisors LLC | 500 | $3 | 0.00% |
Sold out (20)
Institutions that held Mersana Therapeutics, Inc. at the end of Q3 2022 and filed for Q4 2022 without it.
| Institution | Shares, Q3 2022 | Value, Q3 2022 |
|---|---|---|
| UBS Oconnor LLC | 376,496 | $2.54M |
| Resolute Capital Asset Partners LLC | 100,000 | $676.0K |
| Schonfeld Strategic Advisors LLC | 86,151 | $583.0K |
| Arrowstreet Capital, Limited Partnership | 34,771 | $235.0K |
| Jane Street Group, LLC | 33,416 | $226.0K |
| Ergoteles LLC | 32,161 | $217.0K |
| Virtu Financial LLC | 25,521 | $173.0K |
| Atom Investors LP | 25,104 | $170.0K |
| PDT Partners, LLC | 24,975 | $169.0K |
| Ensign Peak Advisors, Inc | 22,330 | $151.0K |
| SEI Investments Co | 20,303 | $137.0K |
| Verition Fund Management LLC | 16,312 | $110.0K |
| Point72 Hong Kong Ltd | 15,156 | $102.0K |
| Cipher Capital LP | 12,058 | $82.0K |
| Campbell & CO Investment Adviser LLC | 11,959 | $81.0K |
| IFP Advisors, Inc | 1,800 | $36.0K |
| Wells Fargo & Company | 1,561 | $10.0K |
| Group One Trading, L.P. | 742 | $5.00K |
| Signaturefd, LLC | 165 | $1.00K |
| US Bancorp | 52 | $0 |