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 |
|---|---|---|---|---|---|
|
Flagship Wealth Advisors, LLC
Wakefield, MA |
Oct 30, 2025 Q3 2025 |
1,500
shares
|
$15,375
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Amalgamated Bank
New York, NY |
Oct 29, 2025 Q3 2025 |
1,440
shares
|
$14,760
0.0% of portfolio
|
Q1 2024
Reduced 76.2%
|
|
|
Tower Research Capital LLC (Trc)
New York, NY |
Nov 14, 2025 Q3 2025 |
1,285
shares
|
$13,171
0.0% of portfolio
|
Q3 2025
Reduced 89.89%
|
|
|
Quadrant Capital Group LLC
Cincinnati, OH |
Nov 13, 2025 Q3 2025 |
1,260
shares
|
$12,915
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Gf Fund Management Co. Ltd.
Guangzhou, F4 |
Nov 06, 2025 Q3 2025 |
1,155
shares
|
$11,838
0.0% of portfolio
|
Q3 2025
Reduced 16.12%
|
|
|
Lindbrook Capital, LLC
|
May 05, 2025 Q1 2025 |
874
shares
|
$8,958
0.0% of portfolio
|
Q1 2025
Added 29.1%
|
|
|
Allworth Financial LP
|
Dec 02, 2025 Q3 2025 |
865
shares
|
$8,866
0.0% of portfolio
|
Q3 2025
Added 132.53%
|
|
|
Hm Payson & CO
Portland, ME |
Oct 17, 2025 Q3 2025 |
600
shares
|
$6,150
0.0% of portfolio
|
Q1 2025
Reduced 25.0%
|
|
|
Nisa Investment Advisors, LLC
|
Oct 23, 2025 Q3 2025 |
592
shares
|
$6,068
0.0% of portfolio
|
Q3 2025
Added 12.55%
|
|
|
Point72 Europe (London) LLP
London, X0 |
Nov 14, 2025 Q3 2025 |
531
shares
|
$5,442
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Gamma Investing LLC
Foster City, CA |
Oct 02, 2025 Q3 2025 |
386
shares
|
$3,956
0.0% of portfolio
|
Q3 2025
Added 95.94%
|
|
|
Optiver Holding B.V.
Amsterdam, P7 |
Nov 10, 2025 Q3 2025 |
352
shares
|
$3,608
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Us Bancorp \De\
|
Nov 10, 2025 Q3 2025 |
314
shares
|
$3,218
0.0% of portfolio
|
Q3 2025
Reduced 96.52%
|
|
|
Manchester Capital Management LLC
Manchester, VT |
Nov 14, 2025 Q3 2025 |
250
shares
|
$2,562
0.0% of portfolio
|
Q2 2024
New holding
|
|
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
Nov 14, 2025 Q3 2025 |
243
shares
|
$2,490
0.0% of portfolio
|
Q3 2025
Reduced 1.62%
|
|
|
Cva Family Office, LLC
|
Oct 30, 2025 Q3 2025 |
225
shares
|
$2,306
0.0% of portfolio
|
Q3 2025
Added 212.5%
|
|
|
Evelyn Partners Investment Management LLP
London, |
Nov 14, 2025 Q3 2025 |
199
shares
|
$2,039
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Daiwa Securities Group Inc.
Tokyo, M0 |
Nov 14, 2025 Q3 2025 |
195
shares
|
$1,998
0.0% of portfolio
|
Q4 2022
Added 26.62%
|
|
|
Asset Dedication, LLC
|
Nov 20, 2025 Q3 2025 |
184
shares
|
$1,886
0.0% of portfolio
|
Q1 2019
New holding
|
|
|
Parallel Advisors, LLC
|
Nov 12, 2025 Q3 2025 |
179
shares
|
$1,834
0.0% of portfolio
|
Q3 2025
Reduced 69.81%
|
|
|
Jefferies Group LLC
New York, NY |
Sep 21, 2023 Q3 2022 |
174
shares
|
$1,783
0.0% of portfolio
|
Q3 2022
New holding
|
|
|
North Capital, Inc.
Salt Lake City, UT |
Oct 09, 2025 Q3 2025 |
159
shares
|
$1,629
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Sittner & Nelson, LLC
Eugene, OR |
Nov 14, 2025 Q3 2025 |
155
shares
|
$1,588
0.0% of portfolio
|
Q4 2020
New holding
|
|
|
Johnson Financial Group, Inc.
Racine, WI |
Nov 13, 2025 Q3 2025 |
151
shares
|
$1,547
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Albion Financial Group
|
Oct 20, 2025 Q3 2025 |
125
shares
|
$1,281
0.0% of portfolio
|
Q4 2020
New holding
|
|