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Protagonist Ther (PTGX)
NASDAQ
$118.81+$3.78 (+3.29%)
Price as of Jun 23, 2026 7:03 PM EDT- $7.4BMarket Cap
- 115.57%1-Year Change
- BiotechnologyIndustry
Protagonist Ther (PTGX)
$118.81+$3.78 (+3.29%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK FUNDING, INC. /DE | 15.37% | 9.9M | -339,678 (-3.44%) | Dec 31, 2024 |
BLACKROCK, INC. | 15.21% | 9.8M | +63,370 (+0.65%) | Mar 31, 2026 |
FARALLON CAPITAL MANAGEMENT LLC | 9.87% | 6.3M | +204,900 (+3.23%) | Mar 31, 2026 |
BLACKROCK INC. | 8.95% | 5.8M | +188,627 (+3.28%) | Jun 30, 2024 |
VANGUARD GROUP INC | 8.42% | 5.4M | +1.2M (+21.36%) | Dec 31, 2025 |
UBS GROUP AG | 8.05% | 5.2M | +2.4M (+46.50%) | Mar 31, 2026 |
RTW INVESTMENTS, LP | 7.87% | 5.1M | 0 (0.00%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
iSHARES TRUST | 10.09% | 6.5M | -14,469 (-0.22%) | Mar 31, 2026 |
VANGUARD INDEX FUNDS | 7.76% | 5.0M | +1.3M (+25.74%) | Mar 31, 2026 |
SPDR SERIES TRUST | 2.69% | 1.7M | -136,527 (-7.88%) | Mar 31, 2026 |
T. Rowe Price Health Sciences Fund, Inc. | 1.78% | 1.1M | +186,865 (+16.36%) | Mar 31, 2026 |
VANGUARD SPECIALIZED FUNDS | 1.65% | 1.1M | 0 (0.00%) | Jan 31, 2026 |
JANUS INVESTMENT FUND | 1.55% | 994,349 | +86,553 (+8.70%) | Mar 31, 2026 |
FIDELITY SECURITIES FUND | 1.48% | 953,828 | 0 (0.00%) | Jan 31, 2026 |
Current Ownership Distribution
- Institutions1.1B (76.58%)
- Mutual Funds332.5M (23.07%)
- Insiders5.0M (0.35%)
- Other0 (0.00%)
Insider Transactions
- 0.35% (5.0M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 6Number of InsiderSelling (last 12 months)
- $441.1MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Waddill William D. | Exempt | Jun 10, 2026 | $0.00 | 3,000 | $0.00 | 0 |
Waddill William D. | Exempt | Jun 10, 2026 | $0.00 | 6,000 | $0.00 | 9,000 |
Waddill William D. | Exempt | Jun 10, 2026 | $35,400.00 | 3,000 | $11.80 | 10,825 |
Waddill William D. | Exempt | Jun 10, 2026 | $99,240.00 | 6,000 | $16.54 | 16,825 |
Waddill William D. | Sell | Jun 10, 2026 | $969,120.00 | 9,000 | $107.68 | 7,825 |
MOLINA ARTURO MD Chief Medical Officer | Exempt | Mar 26, 2026 | $0.00 | 15,000 | $0.00 | 50,971 |
Ali Asif Chief Financial Officer | Exempt | Mar 26, 2026 | $0.00 | 19,500 | $0.00 | 31,300 |
SELICK HAROLD E | Exempt | Mar 26, 2026 | $0.00 | 24,000 | $0.00 | 0 |
Ali Asif Chief Financial Officer | Exempt | Mar 26, 2026 | $0.00 | 5,265 | $0.00 | 13,282 |
MOLINA ARTURO MD Chief Medical Officer | Exempt | Mar 26, 2026 | $120,600.00 | 15,000 | $8.04 | 99,115 |
Ali Asif Chief Financial Officer | Exempt | Mar 26, 2026 | $374,205.00 | 19,500 | $19.19 | 80,253 |
SELICK HAROLD E | Exempt | Mar 26, 2026 | $309,120.00 | 24,000 | $12.88 | 84,845 |
Ali Asif Chief Financial Officer | Exempt | Mar 26, 2026 | $64,075.05 | 5,265 | $12.17 | 85,518 |
MOLINA ARTURO MD Chief Medical Officer | Sell | Mar 26, 2026 | $1.6M | 15,000 | $104.79 | 84,115 |
Ali Asif Chief Financial Officer | Sell | Mar 26, 2026 | $2.6M | 24,765 | $104.24 | 60,753 |
SELICK HAROLD E | Sell | Mar 26, 2026 | $2.5M | 24,000 | $105.00 | 60,845 |
PATEL DINESH V PH D President and CEO | Exempt | Mar 25, 2026 | $0.00 | 54,641 | $0.00 | 0 |
PATEL DINESH V PH D President and CEO | Exempt | Mar 25, 2026 | $468,819.78 | 54,641 | $8.58 | 579,579 |
PATEL DINESH V PH D President and CEO | Sell | Mar 25, 2026 | $5.5M | 54,641 | $101.00 | 524,938 |
PATEL DINESH V PH D President and CEO | Exempt | Mar 24, 2026 | $506.22 | 59 | $8.58 | 524,997 |
PATEL DINESH V PH D President and CEO | Sell | Mar 24, 2026 | $5,959.00 | 59 | $101.00 | 524,938 |
PATEL DINESH V PH D President and CEO | Exempt | Mar 24, 2026 | $0.00 | 59 | $0.00 | 54,641 |
PATEL DINESH V PH D President and CEO | Gift | Mar 23, 2026 | $0.00 | 50,000 | $0.00 | 524,938 |
Williams Lewis T | Exempt | Feb 17, 2026 | $0.00 | 18,000 | $0.00 | 6,000 |
Williams Lewis T | Exempt | Feb 17, 2026 | $195,120.00 | 18,000 | $10.84 | 25,825 |
Williams Lewis T | Sell | Feb 17, 2026 | $1.5M | 18,000 | $82.42 | 7,825 |
Waddill William D. | Exempt | Feb 06, 2026 | $0.00 | 20,000 | $0.00 | 0 |
Waddill William D. | Exempt | Feb 06, 2026 | $166,200.00 | 20,000 | $8.31 | 27,825 |
Waddill William D. | Sell | Feb 06, 2026 | $1.7M | 20,000 | $83.68 | 7,825 |
MOLINA ARTURO MD Chief Medical Officer | Exempt | Jan 27, 2026 | $0.00 | 5,000 | $0.00 | 65,971 |