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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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48.06-1.16 (-2.36%)
As of 01:20PM EST. Market open.

Major holders

Currency in USD
Breakdown
0.05%% of shares held by all insiders
89.58%% of shares held by institutions
89.62%% of float held by institutions
271Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC11,284,28029 Sep 202124.22%803,779,264
Price (T.Rowe) Associates Inc6,062,62929 Sep 202113.01%431,841,063
Blackrock Inc.3,769,70429 Sep 20218.09%268,516,015
FMR, LLC2,649,43129 Sep 20215.69%188,718,970
Palo Alto Investors Lp1,685,28229 Sep 20213.62%120,042,636
Dimensional Fund Advisors LP1,579,64829 Sep 20213.39%112,518,327
First Light Asset Management, LLC1,449,49429 Sep 20213.11%103,247,457
State Street Corporation1,405,24429 Sep 20213.02%100,095,530
Redmile Group, LLC901,49129 Sep 20211.93%64,213,203
Vanguard Group, Inc. (The)868,47829 Sep 20211.86%61,861,687

Top mutual fund holders

HolderSharesDate reported% outValue
Price (T.Rowe) New Horizons Fund1,483,22029 Jun 20213.18%76,252,340
Price (T.Rowe) Health Sciences Fund1,011,37229 Jun 20212.17%51,994,634
Price (T.Rowe) Small Cap Stock Fund909,55329 Jun 20211.95%46,760,119
Fidelity Select Portfolios - Biotechnology868,48929 Sep 20211.86%61,862,471
iShares Russell 2000 ETF799,52929 Sep 20211.72%56,950,450
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF714,94629 Sep 20211.53%50,925,603
Fidelity Growth Company Fund687,11029 Sep 20211.47%48,942,845
Price (T.Rowe) Institutional Small-Cap Stock Fund540,04029 Jun 20211.16%27,763,456
Vanguard Extended Market Index Fund398,82529 Jun 20210.86%20,503,593
DFA U.S. Small Cap Series393,53630 Jul 20210.84%19,716,153