Ownership history in Mariner, LLC · 7 quarters on record
This page tracks every 13F SEC filing in which Mariner, LLC reported a position in DYNE THERAPEUTICS INC (DYN). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | ADDED | 19,541 | +7,588 | +63.5% | 0.00% | $247K | $12.65 |
| 2025 Q2 | REDUCED | 11,953 | -13,699 | -53.4% | 0.00% | $114K | $9.52 |
| 2025 Q1 | ADDED | 25,652 | +14,495 | +129.9% | 0.00% | $268K | $10.46 |
| 2024 Q4 | REDUCED | 11,157 | -1,667 | -13.0% | 0.00% | $263K | $23.56 |
| 2024 Q3 | ADDED | 12,824 | +1,855 | +16.9% | 0.00% | $461K | $35.92 |
| 2024 Q2 | ADDED | 10,969 | +1,224 | +12.6% | 0.00% | $387K | $35.29 |
| 2024 Q1 | INITIATED | 9,745 | — | — | 0.00% | $277K | — |
As of 2025 Q4 — sorted by position size