Protagonist Therapeutics, Inc. PTGX
135.26 USD -8.11 (-5.66%)
At closeNov 5, 2026, 4:00 PM EST
135.26 0.00 0.00%
After hours · Nov 5, 4:00 PM ET
134.39 Day range 143.30
76.70 52-week range 160.81
- YTD
- +54.87%
- 1 year
- +73.68%
Ownership
Held by insiders 0.71%
Held by institutions 119.48%
Float held by institutions 120.33%
Institutions 513
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 15.93% | 10,307,837 | 1.48B | Jun 29, 2026 |
| Farallon Capital Management LLC | 9.81% | 6,348,906 | 910.24M | Jun 29, 2026 |
| RTW Investments LP | 7.82% | 5,061,175 | 725.62M | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 5.61% | 3,629,298 | 520.33M | Jun 29, 2026 |
| Wellington Management Group, LLP | 5.28% | 3,416,781 | 489.86M | Jun 29, 2026 |
| UBS Group AG | 5.25% | 3,399,221 | 487.35M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| iShares Trust-iShares Core S&P Small-Cap ETF | 5.96% | 3,854,840 | 552.67M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.16% | 2,044,938 | 293.18M | Jun 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 2.46% | 1,594,175 | 228.56M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 2.28% | 1,475,422 | 211.53M | Jun 29, 2026 |
| VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund | 1.92% | 1,243,618 | 178.30M | Jul 30, 2026 |
| SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF | 1.57% | 1,013,552 | 145.31M | Sep 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| ALI ASIF | Chief Financial Officer | Sale | Apr 19, 2026 | 59,003 |
| GIRAUDO BRYAN M. | Director | Sale | May 7, 2026 | 0 |
| GUPTA SUNEEL | Officer | Sale | Nov 25, 2024 | 267,433 |
| MOLINA ARTURO MD | Officer | Sale | Mar 25, 2026 | 84,115 |
| O DOWD SARAH A | Director | Stock Award(Grant) | Jan 1, 2026 | 7,825 |
| PATEL DINESH V | Chief Executive Officer | Sale | Sep 9, 2026 | 522,968 |