MAZE · Insider trading · 13F holders · Congress trades
Maze Therapeutics, Inc. (MAZE)
Who is buying and selling MAZE: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 22
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $5.9M
- Congress trades, 12 months
- 0
MAZE at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 4 MAZE insiders filed 13 sales worth $5.9M on SEC Form 4, and no open-market purchases; 9 of the sales were pre-planned under Rule 10b5-1.
- 22 13F filers hold MAZE among their 50 largest positions, worth $801.1M combined. The biggest bets by portfolio weight are General Catalyst Group Management, LLC (16.4%), ARCH Venture Management, LLC (11.2%) and Squadron Capital Management LLC (3.4%). In their latest 13Fs, 0 managers opened a new position and 8 added to one.
- No member of Congress has disclosed a trade in MAZE.
- MAZE last closed at $31.93 on Oct 29, 2026.
MAZE insider trading
Between Aug 1, 2026 and Oct 29, 2026, 4 MAZE insiders filed 13 sales worth $5.9M on SEC Form 4, and no open-market purchases; 9 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | Coloma Jason V | Chief Executive Officer, Director | Sale10b5-1 | 34,501 | $27.02 | $932K | SEC |
| Oct 2, 2026 | Bernstein Harold | President, R&D & CMO | Sale10b5-1 | 16,141 | $26.93 | $435K | SEC |
| Oct 1, 2026 | Dandekar Atul | CSBO | Sale10b5-1 | 7,500 | $27.06 | $203K | SEC |
| Sep 8, 2026 | Bernstein Harold | President, R&D & CMO | Sale10b5-1 | 9,705 | $26.22 | $255K | SEC |
| Sep 4, 2026 | Coloma Jason V | Chief Executive Officer, Director | Sale | 22,638 | $26.24 | $594K | SEC |
| Sep 4, 2026 | Bernstein Harold | President, R&D & CMO | Sale | 10,295 | $26.24 | $270K | SEC |
| Sep 4, 2026 | Dandekar Atul | CSBO | Sale | 6,434 | $26.24 | $169K | SEC |
| Sep 4, 2026 | Courtney Phillips | GC and Corp. Secretary | Sale | 3,993 | $26.24 | $105K | SEC |
| Sep 3, 2026 | Coloma Jason V | Chief Executive Officer, Director | Sale10b5-1 | 34,501 | $26.29 | $907K | SEC |
| Sep 3, 2026 | Bernstein Harold | President, R&D & CMO | Sale10b5-1 | 16,141 | $26.36 | $426K | SEC |
| Aug 31, 2026 | Dandekar Atul | CSBO | Sale10b5-1 | 7,500 | $27.58 | $207K | SEC |
| Aug 14, 2026 | Bernstein Harold | President, R&D & CMO | Sale10b5-1 | 16,142 | $27.61 | $446K | SEC |
| Aug 5, 2026 | Coloma Jason V | Chief Executive Officer, Director | Sale10b5-1 | 34,501 | $26.73 | $922K | SEC |
Who owns MAZE? Hedge funds and superinvestors
22 13F filers hold MAZE among their 50 largest positions, worth $801.1M combined. The biggest bets by portfolio weight are General Catalyst Group Management, LLC (16.4%), ARCH Venture Management, LLC (11.2%) and Squadron Capital Management LLC (3.4%). In their latest 13Fs, 0 managers opened a new position and 8 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Frazier Life Sciences Management, L.P.Hedge fund | 3.3% | $150.2M | 5,032,915 | +10.2% shares | Q2 2026 |
| ARCH Venture Management, LLCVenture capital | 11.2% | $123.0M | 4,120,053 | +0.0% shares | Q2 2026 |
| Deep Track Capital, LPHedge fund | 1.6% | $111.4M | 3,732,569 | +7.3% shares | Q2 2026 |
| Logos Global Management LPHedge fund | 2.5% | $57.7M | 1,935,000 | +56.7% shares | Q2 2026 |
| a16z Capital Management, L.L.C.Hedge fund | 0.4% | $50.8M | 1,702,225 | +0.0% shares | Q2 2026 |
| Venrock Adviser, LLCHedge fund | 1.4% | $47.8M | 1,602,034 | +0.0% shares | Q2 2026 |
| Alphabet Inc.Corporation | 0.0% | $41.4M | 1,388,583 | +0.0% shares | Q2 2026 |
| Braidwell LPHedge fund | 1.3% | $34.0M | 1,140,040 | — | Q2 2026 |
| Farallon Capital Management, L.l.c.Hedge fund | 0.2% | $33.1M | 1,107,814 | — | Q2 2026 |
| General Catalyst Group Management, LLCHedge fund | 16.4% | $30.9M | 1,035,910 | +0.0% shares | Q2 2026 |
| Casdin Capital, LLCHedge fund | 1.3% | $25.2M | 843,857 | +11.2% shares | Q2 2026 |
| ArrowMark Colorado Holdings LLCHedge fund | 1.0% | $22.9M | 767,383 | — | Q2 2026 |
| Sphera Funds Management Ltd.Hedge fund | 1.8% | $12.5M | 417,564 | +83.7% shares | Q2 2026 |
| Ikarian Capital, LLCHedge fund | 1.9% | $11.3M | 378,999 | +0.0% shares | Q2 2026 |
| Hhlr Advisors, Ltd.Hedge fund | 1.3% | $10.9M | 366,028 | +0.0% shares | Q2 2026 |
| ADAR1 Capital Management, LLCHedge fund | 0.5% | $10.1M | 339,276 | — | Q2 2026 |
| Squadron Capital Management LLCHedge fund | 3.4% | $10.0M | 335,000 | +30.1% shares | Q2 2026 |
| Mass General Brigham, IncInvestment manager | 2.0% | $7.2M | 239,994 | +0.0% shares | Q2 2026 |
| HighVista Strategies LLCHedge fund | 0.9% | $4.1M | 136,572 | +36.8% shares | Q2 2026 |
| Exome Asset Management LLCHedge fund | 2.1% | $3.4M | 114,692 | +29.6% shares | Q2 2026 |
| DAFNA Capital Management LLCHedge fund | 0.4% | $1.9M | 65,000 | — | Q2 2026 |
| Propel Bio Management, LLCHedge fund | 0.7% | $1.3M | 43,798 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 22). Screen MAZE in the grand portfolio →
MAZE stock trades by members of Congress
No member of Congress has disclosed a trade in MAZE.
MAZE questions and answers
Are insiders buying MAZE stock?
Between Aug 1, 2026 and Oct 29, 2026, 4 MAZE insiders filed 13 sales worth $5.9M on SEC Form 4, and no open-market purchases; 9 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own MAZE?
22 13F filers hold MAZE among their 50 largest positions, worth $801.1M combined. The biggest bets by portfolio weight are General Catalyst Group Management, LLC (16.4%), ARCH Venture Management, LLC (11.2%) and Squadron Capital Management LLC (3.4%). In their latest 13Fs, 0 managers opened a new position and 8 added to one.
Has Congress traded MAZE?
No member of Congress has disclosed a trade in MAZE.
Who is the largest holder of MAZE?
Among 13F filers, Frazier Life Sciences Management, L.P. reports the largest MAZE position, $150.2M (5,032,915 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is General Catalyst Group Management, LLC's: 16.4% of its portfolio.
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