Merrimack Pharmaceuticals Inc
MACKDelisted May 10, 2024- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001274792
Merrimack Pharmaceuticals Inc was delisted on May 10, 2024; its insiders filed their last Form 4 on Dec 28, 2023; 70 institutions reported holding it in 13F filings for Q1 2024, worth $137.1M in total; no superinvestor held it.
Q1 2023 vs. Q4 2022
How the institutions holding Merrimack Pharmaceuticals Inc changed between Q4 2022 and Q1 2023.
All holders in Q1 2023All holders in Q4 2022
| Measure | Q4 2022 | Q1 2023 | Change |
|---|---|---|---|
| Holders | 47 | 50 | +3 |
| Shares | 7.55M | 7.40M | −152.9K (−2.0%) |
| Value | $86.6M | $91.0M | +$4.41M (+5.1%) |
New holders (10)
Institutions that held Merrimack Pharmaceuticals Inc at the end of Q1 2023 but not at the end of Q4 2022.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Madison Avenue Partners, LP | 553,085 | $6.80M | 1.46% |
| Invesco Ltd. | 210,507 | $2.59M | 0.00% |
| Marshall Wace, LLP | 98,255 | $1.21M | 0.00% |
| Jane Street Group, LLC | 37,307 | $458.5K | 0.00% |
| Kennedy Capital Management, Inc. | 13,758 | $169.1K | 0.00% |
| Citadel Advisors LLC | 8,491 | $104.4K | 0.00% |
| Lazard Asset Management LLC | 4,951 | $60.0K | 0.00% |
| Dorsey Wright & Associates | 1,799 | $22.1K | 0.01% |
| Dark Forest Capital Management LP | 1,060 | $13.0K | 0.00% |
| FMR LLC | 170 | $2.09K | 0.00% |
Sold out (7)
Institutions that held Merrimack Pharmaceuticals Inc at the end of Q4 2022 and filed for Q1 2023 without it.
| Institution | Shares, Q4 2022 | Value, Q4 2022 |
|---|---|---|
| 22NW, LP | 1,015,048 | $11.6M |
| OrbiMed Advisors LLC | 73,600 | $843.5K |
| Pura Vida Investments, LLC | 64,100 | $734.6K |
| Two Sigma Investments, LP | 42,490 | $486.9K |
| Two Sigma Advisers, LP | 11,181 | $128.1K |
| Freedom Wealth Alliance, LLC | 1,820 | $20.9K |
| JPMorgan Chase & Co | 354 | $4.00K |