Protagonist Therapeutics Ownership | Who Owns Protagonist Therapeutics?
Protagonist Therapeutics Ownership Summary
Protagonist Therapeutics is owned by 33.97% institutional investors, 1.01% insiders, and 65.02% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 14.81% of PTGX shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.93% of its assets in Protagonist Therapeutics shares.
PTGX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Protagonist Therapeutics | 33.97% | 1.01% | 65.02% |
| Sector | Healthcare Stocks | 42.54% | 10.83% | 46.63% |
| Industry | Biotech Stocks | 45.22% | 10.75% | 44.04% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 9.40M | 14.81% | $624.72M |
| Farallon capital management | 6.20M | 9.76% | $411.60M |
| Blackrock | 5.76M | 9.39% | $199.52M |
| Rtw investments, lp | 5.76M | 9.06% | $382.39M |
| Vanguard group | 4.26M | 6.70% | $282.81M |
| State street | 3.17M | 4.98% | $210.30M |
| Bvf inc/il | 2.56M | 4.03% | $170.12M |
| Johnson & johnson | 2.45M | 3.86% | $162.70M |
| Wellington management group llp | 1.91M | 3.00% | $126.78M |
| Ubs group | 1.90M | 2.99% | $125.95M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Johnson & johnson | 2.45M | 32.30% | $162.70M |
| 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 | 989.18K | 6.17% | $65.71M |
| Rtw investments, lp | 5.76M | 4.71% | $382.39M |
| Commodore capital lp | 1.02M | 3.32% | $68.09M |
| Deep track capital, lp | 1.72M | 3.18% | $113.97M |
| Birchview capital, lp | 48.00K | 2.41% | $3.19M |
| Mangrove partners | 478.41K | 2.35% | $31.78M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Marshall wace, llp | 1.09M | 0.07% | 1.09M |
| Wellington management group llp | 1.91M | 0.02% | 870.71K |
| Woodline partners lp | 1.44M | 0.45% | 491.36K |
| Pictet asset management sa | 751.98K | 0.04% | 456.38K |
| Colony group | 448.99K | 0.05% | 448.99K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Pacer advisors | - | - | -1.88M |
| Deep track capital, lp | 1.72M | 3.18% | -1.53M |
| Fairmount funds management | - | - | -931.89K |
| Bvf inc/il | 2.56M | 6.90% | -650.13K |
| Ubs group | 1.90M | 0.02% | -605.24K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Marshall wace, llp | 1.09M | 0.07% | 1.09M | $72.11M |
| Eagle asset management | 357.63K | 0.07% | 357.63K | $12.59M |
| Logos global management lp | 300.00K | 1.79% | 300.00K | $19.93M |
| Duquesne family office | 159.70K | 0.26% | 159.70K | $10.61M |
| Millennium management | 134.27K | 0.00% | 134.27K | $6.49M |
Sold Out
| Holder | Change |
|---|---|
| Tfc financial management | -1.00 |
| Ifp advisors | -5.00 |
| Mendota financial group | -6.00 |
| Federated hermes | -7.00 |
| Nelson, van denburg & campbell wealth management group | -11.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Mar 31, 2025 | 19 | -92.31% | 15,761,655 | -75.08% | 25 | 0.24% | 12 | -91.18% | 5 | -93.33% |
| Dec 31, 2024 | 147 | -40.49% | 31,832,545 | -48.43% | 51 | 0.52% | 84 | -45.81% | 42 | -35.38% |
| Sep 30, 2024 | 246 | 27.46% | 61,406,077 | 4.02% | 99 | 1.07% | 154 | 69.23% | 65 | -7.14% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.69M | 5.93% | - |
| Vanguard Total Stock Mkt Idx Inv | 1.94M | 3.12% | -41.38K |
| 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 | 1.40M | 2.25% | - |
| SPDR® S&P Biotech ETF | 983.05K | 1.58% | 2.19K |
| T. Rowe Price Health Sciences | 882.85K | 1.42% | 197.40K |
| UBS: US Equity Small Cap Growth | 744.87K | 1.25% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 665.61K | 1.07% | -291.62K |
| Fidelity Small Cap Index | 584.22K | 0.94% | -18.06K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 17, 2025 | MOLINA ARTURO MD | Chief Medical Officer | Sell | $229.90K |
| Oct 10, 2025 | Waddill William D. | - | Sell | $277.00K |
| Oct 10, 2025 | Waddill William D. | - | Sell | $702.48K |
| Sep 22, 2025 | Waddill William D. | - | Sell | $257.00K |
| Aug 27, 2025 | Waddill William D. | - | Sell | $237.00K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 3 |
| 2025 Q3 | - | 6 |
| 2025 Q2 | - | 3 |
| 2025 Q1 | - | 8 |
| 2024 Q4 | - | 8 |
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