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 217 institutions that hold shares in the stock, with a total of 34.9 Million shares, which have been reported (via 13F filing form) to have a value of $358 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Assenagon Asset Management S.A.
|
Oct 07, 2025 Q3 2025 |
89,704
shares
|
$919,466
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Duncan Williams Asset Management, LLC
Memphis, TN |
Nov 12, 2025 Q3 2025 |
88,339
shares
|
$905,474
0.24% of portfolio
|
Q3 2025
New holding
|
|
|
Hennion & Walsh Asset Management, Inc.
|
Oct 22, 2025 Q3 2025 |
84,598
shares
|
$867,129
0.03% of portfolio
|
Q3 2025
Reduced 1.81%
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
Nov 14, 2025 Q3 2025 |
78,547
shares
|
$805,106
0.0% of portfolio
|
Q3 2025
Added 10.56%
|
|
|
American Century Companies Inc
Kansas City, MO |
Nov 12, 2025 Q3 2025 |
72,239
shares
|
$740,449
0.0% of portfolio
|
Q3 2025
Added 20.47%
|
|
|
Pinnacle Associates LTD
|
Nov 12, 2025 Q3 2025 |
71,261
shares
|
$730,425
0.01% of portfolio
|
Q3 2025
Reduced 3.8%
|
|
|
Monaco Asset Management Sam
|
Nov 10, 2025 Q3 2025 |
70,000
shares
|
$717,500
0.04% of portfolio
|
Q2 2025
New holding
|
|
|
Alliancebernstein L.P.
New York, NY |
Nov 14, 2025 Q3 2025 |
69,607
shares
|
$713,471
0.0% of portfolio
|
Q3 2025
Reduced 20.53%
|
|
|
Putnam Investments LLC
Boston, MA |
Feb 14, 2024 Q4 2023 |
66,516
shares
|
$681,789
0.0% of portfolio
|
Q4 2023
Added 17.49%
|
|
|
Creative Planning
Overland Park, KS |
Nov 14, 2025 Q3 2025 |
64,140
shares
|
$657,435
0.0% of portfolio
|
Q3 2025
Added 26.84%
|
|
|
Rhumbline Advisers
Boston, MA |
Nov 06, 2025 Q3 2025 |
62,042
shares
|
$635,930
0.0% of portfolio
|
Q3 2025
Reduced 1.53%
|
|
|
Franklin Resources Inc
San Mateo, CA |
Nov 13, 2025 Q3 2025 |
61,172
shares
|
$627,013
0.0% of portfolio
|
Q3 2025
Added 9.08%
|
|
|
Caption Management, LLC
Oklahoma City, OK |
Nov 14, 2025 Q3 2025 |
61,009
shares
|
$625,342
0.01% of portfolio
|
Q3 2025
Reduced 6.28%
|
|
|
Credit Suisse Ag
Zurich, V8 |
May 10, 2024 Q1 2024 |
60,202
shares
|
$617,070
0.0% of portfolio
|
Q1 2024
Added 1.51%
|
|
|
Focused Wealth Management, Inc
|
Oct 10, 2025 Q3 2025 |
57,129
shares
|
$585,572
0.06% of portfolio
|
Q3 2025
Added 77.81%
|
|
|
Sg Americas Securities, LLC
|
Oct 23, 2025 Q3 2025 |
56,719
shares
|
$581,369
0.0% of portfolio
|
Q3 2025
Added 9.2%
|
|
|
Engineers Gate Manager LP
New York, NY |
Nov 14, 2025 Q3 2025 |
56,080
shares
|
$574,820
0.01% of portfolio
|
Q3 2025
Added 36.89%
|
|
|
Balyasny Asset Management LLC
Chicago, IL |
Nov 14, 2025 Q3 2025 |
55,764
shares
|
$571,581
0.0% of portfolio
|
Q3 2025
Reduced 90.32%
|
|
|
Graham Capital Management, L.P.
Rowayton, CT |
Nov 14, 2025 Q3 2025 |
53,393
shares
|
$547,278
0.01% of portfolio
|
Q3 2025
Added 56.84%
|
|
|
Quinn Opportunity Partners LLC
Charlottesville, VA |
Nov 13, 2025 Q3 2025 |
50,000
shares
|
$512,500
0.04% of portfolio
|
Q2 2025
New holding
|
|
|
Massachusetts Financial Services CO
Boston, MA |
Oct 29, 2025 Q3 2025 |
47,489
shares
|
$486,762
0.0% of portfolio
|
Q3 2025
Added 7.04%
|
|
|
Fox Run Management, L.L.C.
Greenwich, CT |
Nov 10, 2025 Q3 2025 |
44,332
shares
|
$454,403
0.07% of portfolio
|
Q3 2025
New holding
|
|
|
Ea Series Trust
Havertown, PA |
Jul 27, 2023 Q2 2023 |
43,937
shares
|
$450,354
0.11% of portfolio
|
Q2 2023
New holding
|
|
|
Public Employees Retirement System Of Ohio
Columbus, OH |
Nov 14, 2025 Q3 2025 |
42,158
shares
|
$432,119
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Simplex Trading, LLC
|
Nov 12, 2025 Q3 2025 |
42,044
shares
|
$430,951
0.0% of portfolio
|
Q3 2025
Reduced 2.82%
|
|