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PHATHOM PHARMA (PHAT)
NASDAQ
$10.94+$0.25 (+2.29%)
Price as of Jun 23, 2026 4:28 PM EDT- $852.6MMarket Cap
- 12.88%1-Year Change
- BiotechnologyIndustry
PHATHOM PHARMA (PHAT)
$10.94+$0.25 (+2.29%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | 15.63% | 12.5M | 0 (0.00%) | Mar 31, 2026 |
MEDICXI VENTURES MANAGEMENT (JERSEY) LTD | 9.36% | 7.5M | 0 (0.00%) | Mar 31, 2026 |
FRAZIER MANAGEMENT LLC | 7.31% | 5.8M | 0 (0.00%) | Dec 31, 2021 |
INVESCO LTD. | 5.42% | 4.3M | +401,614 (+9.29%) | Mar 31, 2026 |
BLACKROCK, INC. | 5.09% | 4.1M | +506,448 (+12.47%) | Mar 31, 2026 |
MILLENNIUM MANAGEMENT LLC | 5.04% | 4.0M | +1.9M (+48.24%) | Mar 31, 2026 |
BLACKROCK FUNDING, INC. /DE | 4.39% | 3.5M | +379,805 (+10.84%) | Dec 31, 2024 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 3.16% | 2.5M | +207,174 (+8.22%) | Mar 31, 2026 |
AIM INTERNATIONAL MUTUAL FUNDS (INVESCO INTERNATIONAL MUTUAL FUNDS) | 2.94% | 2.3M | +367,073 (+15.67%) | Jan 31, 2026 |
iSHARES TRUST | 2.77% | 2.2M | +266,008 (+12.04%) | Mar 31, 2026 |
PRUDENTIAL SECTOR FUNDS, INC. | 2.23% | 1.8M | 0 (0.00%) | Nov 28, 2025 |
Federated Hermes Equity Funds | 2.10% | 1.7M | 0 (0.00%) | Jan 31, 2026 |
PRUDENTIAL JENNISON SMALL CO FUND, INC. | 1.98% | 1.6M | 0 (0.00%) | Mar 31, 2026 |
WASATCH FUNDS TRUST | 1.66% | 1.3M | -11,300 (-0.86%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions882.4M (84.52%)
- Mutual Funds142.3M (13.63%)
- Insiders19.3M (1.85%)
- Other0 (0.00%)
Insider Transactions
- 1.85% (19.3M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $1.6MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Parikh Asit | Gift | Mar 10, 2026 | $0.00 | 40,000 | $0.00 | 10,500 |
Parikh Asit | Gift | Mar 10, 2026 | $0.00 | 40,000 | $0.00 | 120,500 |
Breedlove Robert Charles Principal Accounting Officer | Award | Feb 27, 2026 | $0.00 | 13,000 | $0.00 | 60,068 |
Breedlove Robert Charles Principal Accounting Officer | Award | Feb 27, 2026 | $0.00 | 2,790 | $0.00 | 62,858 |
Breedlove Robert Charles Principal Accounting Officer | In Kind | Feb 27, 2026 | $12,107.84 | 964 | $12.56 | 61,894 |
Breedlove Robert Charles Principal Accounting Officer | In Kind | Feb 27, 2026 | $5,199.84 | 414 | $12.56 | 61,480 |
Basta Steven L President and CEO | Award | Feb 10, 2026 | $0.00 | 12,362 | $0.00 | 379,592 |
Cook Anne Marie Chief Legal Off. & Corp. Sec. | Award | Feb 10, 2026 | $0.00 | 3,461 | $0.00 | 90,195 |
Basta Steven L President and CEO | In Kind | Feb 10, 2026 | $80,471.14 | 6,277 | $12.82 | 373,315 |
Cook Anne Marie Chief Legal Off. & Corp. Sec. | In Kind | Feb 10, 2026 | $19,678.70 | 1,535 | $12.82 | 88,660 |
Parikh Asit | Gift | Jan 23, 2026 | $0.00 | 80,500 | $0.00 | 50,500 |
Parikh Asit | Gift | Jan 23, 2026 | $0.00 | 80,500 | $0.00 | 80,500 |
Breedlove Robert Charles Principal Accounting Officer | In Kind | Jan 21, 2026 | $10,561.36 | 776 | $13.61 | 47,068 |
Parikh Asit | Exempt | Jan 13, 2026 | $0.00 | 8,750 | $0.00 | 0 |
Parikh Asit | Exempt | Jan 13, 2026 | $90,125.00 | 8,750 | $10.30 | 131,000 |
Basta Steven L President and CEO | Award | Jan 02, 2026 | $0.00 | 226,156 | $0.00 | 221,156 |
Cook Anne Marie Chief Legal Off. & Corp. Sec. | Award | Jan 02, 2026 | $0.00 | 67,878 | $0.00 | 67,878 |
Basta Steven L President and CEO | Award | Jan 02, 2026 | $0.00 | 251,034 | $0.00 | 364,820 |
Cook Anne Marie Chief Legal Off. & Corp. Sec. | Award | Jan 02, 2026 | $0.00 | 75,345 | $0.00 | 85,012 |
Parikh Asit | Exempt | Dec 19, 2025 | $0.00 | 8,750 | $0.00 | 8,750 |
Parikh Asit | Exempt | Dec 19, 2025 | $90,125.00 | 8,750 | $10.30 | 122,250 |
Breedlove Robert Charles Principal Accounting Officer | In Kind | Dec 18, 2025 | $3,744.40 | 230 | $16.28 | 47,844 |
Cook Anne Marie Chief Legal Off. & Corp. Sec. | Award | Dec 17, 2025 | $0.00 | 17,370 | $0.00 | 17,370 |
Basta Steven L President and CEO | Award | Dec 17, 2025 | $0.00 | 62,038 | $0.00 | 145,288 |
Cook Anne Marie Chief Legal Off. & Corp. Sec. | In Kind | Dec 17, 2025 | $118,318.08 | 7,703 | $15.36 | 9,667 |
Basta Steven L President and CEO | In Kind | Dec 17, 2025 | $483,870.72 | 31,502 | $15.36 | 113,786 |
Breedlove Robert Charles Principal Accounting Officer | Sell | Nov 03, 2025 | $7,079.24 | 524 | $13.51 | 47,407 |
Narula Sanjeev Chief Financial & Bus. Officer | Award | Oct 06, 2025 | $0.00 | 200,000 | $0.00 | 200,000 |
Breedlove Robert Charles Principal Accounting Officer | Sell | Sep 05, 2025 | $5,573.49 | 461 | $12.09 | 47,931 |
Breedlove Robert Charles Principal Accounting Officer | Sell | Jul 16, 2025 | $14,151.72 | 1,692 | $8.36 | 48,392 |