Protagonist Therapeutics Ownership | Who Owns Protagonist Therapeutics?
Protagonist Therapeutics Ownership Summary
Protagonist Therapeutics is owned by 117.24% institutional investors, 0.71% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 15.84% of PTGX shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.69% of its assets in Protagonist Therapeutics shares.
PTGX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Protagonist Therapeutics | 117.24% | 0.71% | -17.95% |
| Sector | Healthcare Stocks | 244.59% | 12.11% | -156.70% |
| Industry | Biotech Stocks | 379.61% | 11.70% | -291.31% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 10.31M | 15.84% | $1.26B |
| Farallon capital management | 6.35M | 9.75% | $778.25M |
| Blackrock | 5.76M | 9.39% | $199.52M |
| Vanguard group | 5.41M | 8.49% | $472.83M |
| Rtw investments, lp | 5.06M | 7.78% | $620.40M |
| Wellington management group llp | 3.42M | 5.25% | $418.83M |
| Ubs group | 3.40M | 5.22% | $416.68M |
| State street | 3.32M | 5.10% | $407.16M |
| Janus henderson group | 2.89M | 4.55% | $304.87M |
| Vanguard capital management | 2.85M | 4.38% | $349.77M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Johnson & johnson | 2.45M | 37.59% | $300.22M |
| Lynx1 capital management lp | 700.01K | 9.47% | $46.50M |
| Aquilo capital management | 81.69K | 7.08% | $3.95M |
| Bvf inc/il | 2.56M | 6.90% | $170.12M |
| Adar1 capital management | 960.86K | 5.39% | $117.78M |
| Rtw investments, lp | 5.06M | 5.30% | $620.40M |
| Eagle health investments lp | 248.32K | 5.05% | $30.44M |
| Knott david m jr | 63.00K | 4.08% | $7.72M |
| Farallon capital management | 6.35M | 3.59% | $778.25M |
| Catalio capital management, lp | 106.80K | 2.46% | $13.09M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vanguard group | 5.41M | 0.01% | 1.16M |
| Sixth street partners management company | 583.77K | 0.01% | 583.77K |
| Blackrock funding, inc. /de | 10.31M | 0.02% | 528.47K |
| Price t rowe associates inc /md/ | 2.15M | 0.03% | 484.17K |
| Franklin resources | 520.03K | 0.01% | 382.16K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ubs group | 3.40M | 0.05% | -1.78M |
| Deep track capital, lp | - | - | -1.72M |
| Citadel advisors | - | - | -1.55M |
| Fairmount funds management | - | - | -931.89K |
| Bvf inc/il | 2.56M | 6.90% | -650.13K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Sixth street partners management company | 583.77K | 0.01% | 583.77K | $71.56M |
| Eagle asset management | 357.63K | 0.07% | 357.63K | $12.59M |
| Logos global management lp | 300.00K | 1.79% | 300.00K | $19.93M |
| Stephens investment management group | 281.83K | 0.37% | 281.83K | $34.55M |
| Macquarie management | 141.08K | 0.03% | 141.08K | $17.29M |
Sold Out
| Holder | Change |
|---|---|
| Tfc financial management | -1.00 |
| Root financial partners | -3.00 |
| Td capital management | -4.00 |
| Ifp advisors | -5.00 |
| Mendota financial group | -6.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 353 | 6.33% | 76,307,719 | -3.10% | 117 | 0.76% | 205 | 22.75% | 87 | -19.44% |
| Mar 31, 2026 | 324 | -1.82% | 76,383,746 | 8.00% | 120 | 0.98% | 163 | -11.41% | 105 | 2.94% |
| Dec 31, 2025 | 156 | -44.68% | 26,213,291 | -62.92% | 41 | 0.33% | 90 | -30.23% | 45 | -58.33% |
| Sep 30, 2025 | 140 | -48.91% | 21,573,409 | -68.80% | 33 | 0.29% | 55 | -67.26% | 60 | -20.00% |
| Jun 30, 2025 | 279 | -3.79% | 70,876,648 | 8.54% | 111 | 1.04% | 167 | 3.73% | 78 | -13.33% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.68M | 5.69% | -1.43K |
| Vanguard Total Stock Mkt Idx Inv | 2.05M | 3.18% | 5.59K |
| Vanguard Morn Total Stk Mkt Idx Investor | 2.05M | 3.18% | 5.59K |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.05M | 3.17% | 6.79K |
| Vanguard US Total Market Shares ETF | 1.87M | 3.05% | 129.62K |
| Pacer US Small Cap Cash Cows 100 ETF | 1.61M | 2.63% | -11.71K |
| iShares Russell 2000 ETF | 1.56M | 2.41% | -27.65K |
| Vanguard Small Cap Index | 1.48M | 2.29% | 3.81K |
| Vanguard Health Care Inv | 1.38M | 2.13% | -177.65K |
| SPDR® S&P Biotech ETF | 983.05K | 1.58% | 2.19K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Sep 09, 2026 | PATEL DINESH V PH D | President and CEO | Sell | $9.29M |
| Sep 08, 2026 | PATEL DINESH V PH D | President and CEO | Sell | $7.90M |
| Sep 10, 2026 | PATEL DINESH V PH D | President and CEO | Sell | $1.05M |
| Aug 10, 2026 | PATEL DINESH V PH D | President and CEO | Sell | $9.81M |
| Aug 11, 2026 | PATEL DINESH V PH D | President and CEO | Sell | $5.09M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 5 |
| 2026 Q2 | - | 9 |
| 2026 Q1 | - | 18 |
| 2025 Q4 | - | 3 |
| 2025 Q3 | - | 6 |
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