Want to see PRTA full AI Analyst Report?
Prothena (PRTA) Ownership Overview
4.24% Insiders
20.50% Mutual Funds
0.89% Other Institutional Investors
10.85% ETFs
63.52% Public Companies and
Individual Investors
The ownership structure of Prothena (PRTA) stock is a mix of institutional, retail, and individual investors. Approximately 32.24% of the company’s stock is owned by Institutional Investors, 4.24% is owned by Insiders, and 63.52% is owned by Public Companies and Individual Investors.
Recent Insider Trading Activity
Date | Name | Activity | Value |
|---|---|---|---|
Oct 15, 2026 | xxxxxxxxxxxxx | $919500 | |
Oct 09, 2026 | xxxxxxxxxxxxx | $1820400 | |
Oct 06, 2026 | xxxxxxxxxxxxx | $857000 | |
Sep 30, 2026 | xxxxxxxxxxxxx | $1404540 |
Recent Hedge Fund Trading Activity
Date | Firm | Activity | Value |
|---|---|---|---|
Jun 30, 2026 | xxxxxxxxxxxxx | $181076 |
Top Shareholders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 3,482,656 | Institution | 6.78% | 27,965,728 | |
| 2,084,396 | Institution | 4.06% | 16,737,700 | |
| 1,753,000 | Insider | 3.41% | 14,076,590 | |
| 1,137,335 | Institution | 2.22% | 9,132,800 | |
| 887,965 | Institution | 1.73% | 7,130,359 | |
| 887,535 | Institution | 1.73% | 7,126,906 | |
| 643,917 | Institution | 1.25% | 5,170,654 | |
| 617,222 | Institution | 1.20% | 4,956,293 | |
| 551,089 | Institution | 1.07% | 4,425,245 | |
| 492,669 | Institution | 0.96% | 3,956,132 |
Top Mutual Fund Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 3,482,656 | Institution | 6.78% | 27,965,728 | |
| 887,535 | Institution | 1.73% | 7,126,906 | |
| 643,917 | Institution | 1.25% | 5,170,654 | |
| 617,222 | Institution | 1.20% | 4,956,293 | |
| 551,089 | Institution | 1.07% | 4,425,245 | |
| 492,669 | Institution | 0.96% | 3,956,132 | |
| 483,658 | Institution | 0.94% | 3,883,774 | |
| 469,864 | Institution | 0.92% | 3,773,008 | |
| 436,076 | Institution | 0.85% | 3,501,690 | |
| 333,148 | Institution | 0.65% | 2,675,178 |
Top ETF Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 1,082,528 | Institution | 2.11% | 8,930,856 | |
| 967,155 | Institution | 1.88% | 7,766,255 | |
| 462,553 | Institution | 0.90% | 3,876,194 | |
| 368,143 | Institution | 0.72% | 3,077,675 | |
| 344,974 | Institution | 0.67% | 2,846,036 | |
| 251,553 | Institution | 0.49% | 2,108,014 | |
| 234,883 | Institution | 0.46% | 1,937,785 | |
| 216,984 | Institution | 0.42% | 1,790,118 | |
| 213,615 | Institution | 0.42% | 1,715,328 | |
| 169,340 | Institution | 0.33% | 1,375,041 |
FAQ
Who Owns Prothena (PRTA)?
According to the latest TipRanks data, approximately 0.89% of the company's stock is held by institutional investors, 4.24% is held by insiders, and 63.52% is held by retail investors.
What percentage of Prothena (PRTA) stock is held by institutional investors?
According to the latest TipRanks data, approximately 0.89% of Prothena (PRTA) stock is held by institutional investors.
What percentage of Prothena (PRTA) stock is held by retail investors?
According to the latest TipRanks data, approximately 63.52% of Prothena (PRTA) stock is held by retail investors.
Who owns the most shares of Prothena (PRTA)?
Fidelity Mt. Vernon Street Trust owns the most shares of Prothena (PRTA).
What is the significance of the ownership structure for a publicly traded company?
The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.