Institutional Ownership Prothena Corp Public LTD CO (PRTA)
This table provides information about the institutional ownership of Prothena Corp Public LTD CO (PRTA). We have compiled data on the 187 institutions that hold shares in the stock, with a total of 43.7 Million shares, which have been reported (via 13F filing form) to have a value of $318 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Eco R1 Capital, LLC
San Francisco, CA |
May 15, 2025 Q1 2025 |
11,584,280
shares
|
$84.4 Million
11.27% of portfolio
|
Q1 2022
Added 2.66%
|
|
|
Wellington Management Group LLP
Boston, MA |
May 13, 2025 Q1 2025 |
5,199,528
shares
|
$37.9 Million
0.01% of portfolio
|
Q1 2025
New holding
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
3,857,079
shares
|
$28.1 Million
0.0% of portfolio
|
Q2 2024
Added 3.72%
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
May 14, 2025 Q1 2025 |
3,455,856
shares
|
$25.2 Million
0.01% of portfolio
|
Q1 2025
Reduced 6.24%
|
|
|
Armistice Capital, LLC
New York, NY |
May 15, 2025 Q1 2025 |
2,196,000
shares
|
$16 Million
0.41% of portfolio
|
Q1 2025
Reduced 1.79%
|
|
|
Palo Alto Investors LP
Palo Alto, CA |
May 15, 2025 Q1 2025 |
1,659,734
shares
|
$12.1 Million
4.1% of portfolio
|
Q1 2025
Reduced 4.5%
|
|
|
State Street Corp
Boston, MA |
May 15, 2025 Q1 2025 |
1,521,364
shares
|
$11.1 Million
0.0% of portfolio
|
Q1 2025
Reduced 18.28%
|
|
|
Siren, L.L.C.
New York, NY |
May 14, 2025 Q1 2025 |
1,283,555
shares
|
$9.36 Million
0.9% of portfolio
|
Q1 2025
Added 16.7%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
May 09, 2025 Q1 2025 |
1,269,271
shares
|
$9.25 Million
0.0% of portfolio
|
Q1 2025
Reduced 9.59%
|
|
|
Geode Capital Management, LLC
Boston, MA |
May 13, 2025 Q1 2025 |
1,014,792
shares
|
$7.4 Million
0.0% of portfolio
|
Q1 2025
Added 5.24%
|
|
|
Dimensional Fund Advisors LP
Austin, TX |
May 13, 2025 Q1 2025 |
863,148
shares
|
$6.29 Million
0.0% of portfolio
|
Q1 2025
Reduced 0.19%
|
|
|
Morgan Stanley
New York, NY |
May 15, 2025 Q1 2025 |
719,988
shares
|
$5.25 Million
0.0% of portfolio
|
Q1 2025
Added 0.07%
|
|
|
Finepoint Capital LP
Boston, MA |
May 14, 2025 Q1 2025 |
640,071
shares
|
$4.67 Million
0.84% of portfolio
|
Q1 2025
Reduced 2.59%
|
|
|
Federated Hermes, Inc.
Pittsburgh, PA |
May 08, 2025 Q1 2025 |
546,255
shares
|
$3.98 Million
0.02% of portfolio
|
Q1 2025
Reduced 26.79%
|
|
|
Goldman Sachs Group Inc
New York, NY |
May 16, 2025 Q1 2025 |
510,462
shares
|
$3.72 Million
0.0% of portfolio
|
Q1 2025
Reduced 8.28%
|
|
|
Rock Springs Capital Management LP
Baltimore, MD |
May 15, 2025 Q1 2025 |
492,601
shares
|
$3.59 Million
0.36% of portfolio
|
Q1 2025
Reduced 23.58%
|
|
|
Prosight Management, LP
Dallas, TX |
May 15, 2025 Q1 2025 |
408,122
shares
|
$2.98 Million
1.8% of portfolio
|
Q1 2025
Reduced 2.39%
|
|
|
Ubs Asset Management Americas Inc
Chicago, IL |
May 19, 2025 Q1 2025 |
381,652
shares
|
$2.78 Million
0.0% of portfolio
|
Q1 2025
Added 0.04%
|
|
|
Northern Trust Corp
Chicago, IL |
May 13, 2025 Q1 2025 |
373,703
shares
|
$2.72 Million
0.0% of portfolio
|
Q1 2025
Reduced 7.61%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
371,965
shares
|
$2.71 Million
0.0% of portfolio
|
Q1 2025
Reduced 3.97%
|
|
|
Mariner, LLC
Overland Park, KS |
May 15, 2025 Q1 2025 |
354,650
shares
|
$2.59 Million
0.01% of portfolio
|
Q1 2025
Added 3.12%
|
|
|
Birchview Capital, LP
Burlington, VT |
May 15, 2025 Q1 2025 |
332,974
shares
|
$2.43 Million
3.71% of portfolio
|
Q1 2025
Added 9.32%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
May 09, 2025 Q1 2025 |
319,607
shares
|
$2.33 Million
0.0% of portfolio
|
Q1 2025
Reduced 2.31%
|
|
|
Nordea Investment Management Ab
Stockholm, V7 |
May 14, 2025 Q1 2025 |
307,987
shares
|
$2.25 Million
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Ubs Group Ag
|
May 13, 2025 Q1 2025 |
244,479
shares
|
$1.78 Million
0.0% of portfolio
|
Q1 2025
Reduced 34.15%
|