Latest Institutional Transactions on Prothena Corp Public LTD CO (PRTA)
This table provides information on the latest institutional transactions involving Prothena Corp Public LTD CO (PRTA) stock. The table includes the name of the institution, the type of operation (buy or sell), whether options were involved, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the transaction has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Oct 14, 2025
Q3 2025
|
Farther Finance Advisors, LLC
San Francisco, CA |
SELL
|
- |
-23- 0.94% |
$143 - $224
|
2.43K
$24.9K
|
|
|
Oct 10, 2025
Q3 2025
|
Focused Wealth Management, Inc
|
BUY
|
- |
25K+ 77.81% |
$156K - $244K
|
57.1K
$586K
|
|
|
Oct 07, 2025
Q3 2025
|
Assenagon Asset Management S.A.
|
BUY
|
- |
89.7KNew |
$558K - $876K
|
89.7K
$919K
|
|
|
Oct 02, 2025
Q3 2025
|
Gamma Investing LLC
Foster City, CA |
BUY
|
- |
189+ 95.94% |
$1.18K - $1.84K
|
386
$3.96K
|
|
| Q2 2025 | |||||||
|
Nov 21, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
102K+ 2353.43% |
$465K - $1.23M
|
106K
$1.09M
|
|
|
Oct 08, 2025
Q2 2025
|
New York State Common Retirement Fund
|
SELL
|
- |
-5.3K- 37.12% |
$24.3K - $64.3K
|
8.98K
$92K
|
|
|
Aug 15, 2025
Q2 2025
|
Koesten, Hirschmann & Crabtree, Inc.
Overland Park, KS |
BUY
|
- |
1New |
$4.58 - $12.1
|
1
$10.3
|
|
|
Aug 14, 2025
Q2 2025
|
Voya Investment Management LLC
Atlanta, GA |
BUY
|
- |
212+ 1.81% |
$971 - $2.57K
|
11.9K
$122K
|
|
|
Aug 14, 2025
Q2 2025
|
Two Sigma Securities, LLC
New York, NY |
BUY
|
- |
11.7KNew |
$53.5K - $142K
|
11.7K
$120K
|
|
|
Aug 14, 2025
Q2 2025
|
Diadema Partners LP
Morristown, NJ |
BUY
|
CALL |
100KNew |
$458K - $1.21M
|
100K
$1.03M
|
|
|
Aug 14, 2025
Q2 2025
|
Wellington Management Group LLP
Boston, MA |
SELL
|
- |
-5.09M- 97.93% |
$23.3M - $61.8M
|
108K
$1.11M
|
|
|
Aug 14, 2025
Q2 2025
|
State Of Wisconsin Investment Board
Madison, WI |
BUY
|
- |
104KNew |
$476K - $1.26M
|
104K
$1.07M
|
|
|
Aug 14, 2025
Q2 2025
|
Nebula Research & Development LLC
New York, NY |
BUY
|
- |
22.9KNew |
$105K - $277K
|
22.9K
$234K
|
|
|
Aug 14, 2025
Q2 2025
|
Granahan Investment Management, LLC
Waltham, MA |
BUY
|
- |
461KNew |
$2.11M - $5.6M
|
461K
$4.73M
|
|
|
Aug 14, 2025
Q2 2025
|
Susquehanna Fundamental Investments, LLC
Bala Cynwyd, PA |
SELL
|
- |
-37.2K- 49.73% |
$170K - $451K
|
37.6K
$385K
|
|
|
Aug 14, 2025
Q2 2025
|
Coastal Bridge Advisors, LLC
|
BUY
|
- |
11.4KNew |
$52.4K - $139K
|
11.4K
$117K
|
|
|
Aug 14, 2025
Q2 2025
|
Sherbrooke Park Advisers LLC
White Plains, NY |
BUY
|
- |
27.2KNew |
$125K - $330K
|
27.2K
$279K
|
|
|
Aug 14, 2025
Q2 2025
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
307KNew |
$1.41M - $3.73M
|
307K
$3.15M
|
|
|
Aug 14, 2025
Q2 2025
|
Pdt Partners, LLC
New York, NY |
SELL
|
- |
-109K- 72.54% |
$499K - $1.32M
|
41.3K
$423K
|
|
|
Aug 14, 2025
Q2 2025
|
Voleon Capital Management LP
Berkeley, CA |
BUY
|
- |
18.5KNew |
$84.9K - $225K
|
18.5K
$190K
|
|
|
Aug 14, 2025
Q2 2025
|
Dark Forest Capital Management LP
Weston, CT |
BUY
|
- |
11.8K+ 56.07% |
$54.1K - $143K
|
32.9K
$337K
|
|
|
Aug 14, 2025
Q2 2025
|
Caption Management, LLC
Oklahoma City, OK |
BUY
|
PUT |
100KNew |
$458K - $1.21M
|
100K
$1.03M
|
|
|
Aug 14, 2025
Q2 2025
|
Ubs Asset Management Americas Inc
Chicago, IL |
SELL
|
- |
-242K- 63.5% |
$1.11M - $2.94M
|
139K
$1.43M
|
|
|
Aug 14, 2025
Q2 2025
|
Point72 Asia (Singapore) Pte. Ltd.
Singapore, U0 |
BUY
|
- |
459New |
$2.1K - $5.57K
|
459
$4.7K
|
|
|
Aug 13, 2025
Q2 2025
|
Norges Bank
Oslo, Q8 |
BUY
|
- |
57.5KNew |
$263K - $697K
|
57.5K
$589K
|
|
|
Aug 13, 2025
Q2 2025
|
Jones Financial Companies Lllp
|
BUY
|
- |
14KNew |
$64.1K - $170K
|
14K
$144K
|
|
|
Aug 13, 2025
Q2 2025
|
Shelton Capital Management
Denver, CO |
BUY
|
- |
46+ 0.3% |
$211 - $558
|
15.3K
$157K
|
|
|
Aug 13, 2025
Q2 2025
|
Cresset Asset Management, LLC
Chicago, IL |
SELL
|
- |
-2.81K- 21.42% |
$12.9K - $34.1K
|
10.3K
$106K
|
|
|
Aug 12, 2025
Q2 2025
|
Concourse Financial Group Securities, Inc.
Birmingham, AL |
BUY
|
- |
0New |
$0 - $0
|
0
$0
|
|
|
Aug 12, 2025
Q2 2025
|
Steward Partners Investment Advisory, LLC
|
BUY
|
- |
6New |
$27.5 - $72.8
|
6
$61.5
|
|
|
Aug 11, 2025
Q2 2025
|
Brown Brothers Harriman & CO
New York, NY |
BUY
|
- |
5KNew |
$22.9K - $60.7K
|
5K
$51.3K
|
|
|
Aug 08, 2025
Q2 2025
|
Quinn Opportunity Partners LLC
Charlottesville, VA |
BUY
|
- |
50KNew |
$229K - $607K
|
50K
$513K
|
|
|
Aug 07, 2025
Q2 2025
|
Flagship Wealth Advisors, LLC
Wakefield, MA |
BUY
|
- |
1.5KNew |
$6.87K - $18.2K
|
1.5K
$15.4K
|
|
|
Aug 07, 2025
Q2 2025
|
Monaco Asset Management Sam
|
BUY
|
- |
70KNew |
$321K - $850K
|
70K
$718K
|
|
|
Aug 07, 2025
Q2 2025
|
Connor, Clark & Lunn Investment Management Ltd.
|
SELL
|
- |
-72.6K- 79.34% |
$332K - $881K
|
18.9K
$194K
|
|
|
Aug 06, 2025
Q2 2025
|
Prospera Financial Services Inc
|
BUY
|
- |
10KNew |
$45.8K - $121K
|
10K
$103K
|
|
|
Aug 06, 2025
Q2 2025
|
Commonwealth Equity Services, LLC
|
SELL
|
- |
-1.5K- 11.26% |
$6.87K - $18.2K
|
11.8K
$121K
|
|
|
Aug 05, 2025
Q2 2025
|
Huntington National Bank
Columbus, OH |
BUY
|
- |
324New |
$1.48K - $3.93K
|
324
$3.32K
|
|
|
Aug 05, 2025
Q2 2025
|
Bnp Paribas Asset Management Holding S.A.
|
BUY
|
- |
683New |
$3.13K - $8.29K
|
683
$7K
|
|
|
Jul 29, 2025
Q2 2025
|
Nordea Investment Management Ab
Stockholm, V7 |
BUY
|
- |
3.62K+ 1.17% |
$16.6K - $43.9K
|
312K
$3.19M
|
|
|
Jul 28, 2025
Q2 2025
|
Harbour Investments, Inc.
Madison, WI |
SELL
|
- |
-2- 66.67% |
$9.16 - $24.3
|
1
$10.3
|
|
|
Jul 24, 2025
Q2 2025
|
Ronald Blue Trust, Inc.
Brentwood, TN |
SELL
|
- |
-678- 95.36% |
$3.11K - $8.23K
|
33
$338
|
|
|
Jul 22, 2025
Q2 2025
|
Gsa Capital Partners LLP
London, X0 |
BUY
|
- |
211KNew |
$964K - $2.56M
|
211K
$2.16M
|
|
|
Jul 15, 2025
Q2 2025
|
Public Employees Retirement System Of Ohio
Columbus, OH |
BUY
|
- |
42.2KNew |
$193K - $512K
|
42.2K
$432K
|
|
|
Jul 10, 2025
Q2 2025
|
Mogy Joel R Investment Counsel Inc
Beverly Hills, CA |
BUY
|
- |
20.8KNew |
$95K - $252K
|
20.8K
$213K
|
|
|
Jul 07, 2025
Q2 2025
|
Versant Capital Management, Inc
|
BUY
|
- |
1.51K+ 284.93% |
$6.93K - $18.4K
|
2.04K
$21K
|
|
| Q1 2025 | |||||||
|
May 15, 2025
Q1 2025
|
Aster Capital Management (Difc) LTD
Dubai, C0 |
SELL
|
- |
-61- 21.18% |
$755 - $978
|
227
$2.33K
|
|
|
May 15, 2025
Q1 2025
|
Boothbay Fund Management, LLC
New York, NY |
BUY
|
CALL |
29.6KNew |
$366K - $475K
|
29.6K
$303K
|
|
|
May 15, 2025
Q1 2025
|
Amundi
Paris, I0 |
BUY
|
- |
60+ 3.07% |
$743 - $962
|
2.01K
$20.6K
|
|
|
May 15, 2025
Q1 2025
|
Ikarian Capital, LLC
Dallas, TX |
BUY
|
CALL |
100KNew |
$1.24M - $1.6M
|
100K
$1.03M
|
|