Maze Therapeutics
MAZE · NASDAQ
$32.45+$2.75 (+9.26%)TodayMarket closed ·
Prev close $29.70
Who owns MAZE
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 58.6% of MAZE’s shares.
- Third Rock Ventures, LLC9.8%
- Frazier Life Sciences Management, L.P.9.1%
- ARCH Venture Partners7.4%
- Deep Track Capital LP6.7%
- Next 6 largest institutions25.5%
- All other shareholders41.4%
| Holder | Shares | % of shares |
|---|---|---|
| Third Rock Ventures, LLC | 5.42M | 9.80% |
| Frazier Life Sciences Management, L.P. | 5.03M | 9.09% |
| ARCH Venture Partners | 4.12M | 7.44% |
| Deep Track Capital LP | 3.73M | 6.74% |
| Janus Henderson Investors | 3.41M | 6.16% |
| BlackRock Institutional Trust Company, N.A. | 2.71M | 4.90% |
| T. Rowe Price Investment Management, Inc. | 2.60M | 4.70% |
| Logos Global Management LP | 1.94M | 3.50% |
| Vanguard Capital Management, LLC | 1.78M | 3.21% |
| Andreessen Horowitz | 1.70M | 3.08% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 1.41M | 2.55% |
| iShares Russell 2000 ETF | 916.28K | 1.66% |
| Fidelity Select Biotechnology Portfolio | 782.46K | 1.41% |
| Janus Henderson Horizon Biotechnology | 692.97K | 1.25% |
| JPMorgan Small Cap Growth Fund | 551.52K | 1.00% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $10.71M (53 trades) of MAZE on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Bernstein Harold | Option exercise | 16.14K | — |
| Bernstein Harold | Sale | 16.14K | $434.74K |
| Bernstein Harold | Option exercise | 16.14K | $168.19K |
| Coloma Jason V | Sale | 31.91K | $862.19K |
| Coloma Jason V | Sale | 2.59K | $70.07K |
| Dandekar Atul | Option exercise | 7.50K | — |
| Dandekar Atul | Sale | 7.50K | $202.92K |
| Dandekar Atul | Option exercise | 7.50K | $78.15K |
| Bernstein Harold | Sale | 9.71K | $254.50K |
| Bernstein Harold | Sale | 59 | $1.52K |
Short interest
Settled Sep 30, 2026
- Shares short
- 6.57M
- Days to cover
- 6.07
- % of shares outstanding
- 11.86%
- Average daily volume
- 1.08M
- Change since last report
- +15.6%
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