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Prothena Corporation plc (PRTA)
NMS – Real Time Price. Currency in USD
9.20
-0.02 (-0.22%)
Market open: Aug 12, 2026, 10:49 AM EDT
9.22
0.00 (0.00%)
Previous after-hours: Aug 11, 2026, 7:34 PM EDT
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NMS – Real Time Price. Currency in USD
9.20
-0.02 (-0.22%)
Market open: Aug 12, 2026, 10:49 AM EDT
9.22
0.00 (0.00%)
Previous after-hours: Aug 11, 2026, 7:34 PM EDT
| Breakdown | |
|---|---|
| 20.55% | % of Shares Held by All Insider |
| 93.34% | % of Shares Held by Institutions |
| 117.48% | % of Float Held by Institutions |
| 257 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Blackrock Inc. | 4.87M | 2026-06-30 | 9.30% | $44.15M |
| State Street Corporation | 2.39M | 2026-06-30 | 4.57% | $21.71M |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| Fidelity Mt. Vernon Street Trust-Fidelity Growth Company Fund | 2.23M | 2026-06-30 | 4.26% | $20.21M |
| SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF | 1.45M | 2026-06-30 | 2.77% | $13.13M |
| iShares Trust-iShares Russell 2000 ETF | 1.17M | 2026-06-30 | 2.24% | $10.62M |
| Fidelity Mt. Vernon Street Trust-Fidelity Series Growth Company Fund | 738,005 | 2026-06-30 | 1.41% | $6.69M |
| TIAA-CREF Funds-Nuveen Quant Small Cap Equity Fund | 652,130 | 2026-04-30 | 1.25% | $5.91M |
| Vanguard Explorer Fund | 617,222 | 2026-04-30 | 1.18% | $5.60M |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 483,658 | 2026-03-31 | 0.92% | $4.39M |
| Fidelity Select Portfolios-Select Biotechnology Portfolio | 481,917 | 2026-06-30 | 0.92% | $4.37M |
| Fidelity Salem Street Trust-Fidelity Small Cap Index Fund | 440,138 | 2026-05-31 | 0.84% | $3.99M |
| Fidelity Mt. Vernon Street Trust-Fidelity Growth Company K6 Fund | 415,044 | 2026-06-30 | 0.79% | $3.76M |