Mariadb PLC-27MRDB.WSPreferred / convertible
13F holders, Q2 2024 (June 30)21holders −1
1new positions
2sold out
2famous investors
$0.14avg. 13F price*
At the end of Q2 2024, 21 institutions reported holding Mariadb PLC-27 (MRDB.WS) in their 13F filings, down 1 from Q1 2024. 1 opened new positions and 2 sold out. The largest holders were Linden Advisors LP ($422K), Cowen and Company, LLC ($230K) and LMR Partners LLP ($85K). 2 famous investors held it, including Ken Griffin ( of Citadel Advisors's portfolio) and David E. Shaw ( of D. E. Shaw & Co.'s portfolio).
- Company
- Mariadb PLC-27
- CUSIP
- G5920M118
- Latest filing quarter
- Q4 2025
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $3K |
| Exits | 2 | $27K |
All 13F filers, Q1 2024 → Q2 2024: 369,912 shares bought and 345,784 shares sold, net +24,128 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 21 holders
| Linden Advisors LP | — | No change | 3,332,679 | $422K |
| Cowen and Company, LLC | — | Add +12.1% | 1,534,738 | $230K |
| LMR Partners LLP | — | No change | 568,376 | $85K |
| Hudson Bay Capital Management LP | — | Add +24.1% | 455,472 | $68K |
| First Pacific Advisors, LP | — | No change | 379,386 | $39K |
| Alpha Wave Global, LP | — | No change | 200,000 | $30K |
| Kim, LLC | — | No change | 166,666 | $25K |
| Citadel Advisors | — | Add +197.5% | 148,971 | $22K |
| D. E. Shaw & Co. | — | No change | 143,827 | $22K |
| Calamos Advisors LLC | — | No change | 166,666 | $21K |
| Susquehanna International Group, LLP | — | Reduce -15.5% | 103,364 | $15K |
| Jane Street Group, LLC | — | No change | 144,518 | $15K |
| Sculptor Capital LP | — | No change | 102,994 | $14K |
| Bank of America Corp. | — | No change | 100,000 | $13K |
| Healthcare of Ontario Pension Plan Trust Fund | — | No change | 83,333 | $12K |
| Meteora Capital, LLC | — | Add +0.3% | 39,312 | $5K |
| Flow State Investments, L.P. | — | New | 16,902 | $3K |
| HRT Financial LP | — | Add +2.0% | 16,926 | $2K |
| UBS Group AG | — | Reduce -9.0% | 3,050 | $397 |
| Clear Street LLC | — | No change | 2,170 | $325 |
| Wolverine Asset Management LLC | — | Reduce -95.1% | 1,348 | $201 |
"% of holder's portfolio" is MRDB.WS's weight in each manager's 13F, not the share of Mariadb PLC-27 the manager owns.