Latest Institutional Purchases of Prothena Corp Public LTD CO (PRTA)
This list provides information on the latest institutional transactions involving Prothena Corp Public LTD CO (PRTA) stock that were buys. The list includes the name of the institution, the number of shares exchanged, the range of values for the transaction, and the number of shares held by the institution after the purchase has occurred.
| Report Date | Institution (Fund) | Operation | Option | Shares change | Value Range | Shares Held | Trade History |
|---|---|---|---|---|---|---|---|
|
Nov 03, 2025
Q3 2025
|
Great Lakes Advisors, LLC
Chicago, IL |
BUY
|
- |
13.3KNew |
$82.6K - $130K
|
13.3K
$136K
|
|
|
Oct 30, 2025
Q3 2025
|
Strs Ohio
|
BUY
|
- |
12.4K+ 75.61% |
$77.1K - $121K
|
28.8K
$295K
|
|
|
Nov 12, 2025
Q3 2025
|
American Century Companies Inc
Kansas City, MO |
BUY
|
- |
12.3K+ 20.47% |
$76.3K - $120K
|
72.2K
$740K
|
|
|
Oct 31, 2025
Q3 2025
|
Y Intercept (Hong Kong) LTD
|
BUY
|
- |
12.2KNew |
$75.7K - $119K
|
12.2K
$125K
|
|
|
Nov 14, 2025
Q3 2025
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
BUY
|
PUT |
10.5K+ 16.54% |
$65.3K - $102K
|
74K
$759K
|
|
|
Oct 29, 2025
Q3 2025
|
Inscription Capital, LLC
Houston, TX |
BUY
|
- |
10.5KNew |
$65.2K - $102K
|
10.5K
$107K
|
|
|
Nov 14, 2025
Q3 2025
|
Wolverine Trading, LLC
Chicago, IL |
BUY
|
PUT |
10.4KNew |
$64.7K - $102K
|
10.4K
$107K
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Trading LLC
Plymouth, MN |
BUY
|
PUT |
9.2K+ 541.18% |
$57.2K - $89.8K
|
10.9K
$112K
|
|
|
Oct 15, 2025
Q3 2025
|
Cwm, LLC
|
BUY
|
- |
8.88K+ 650.07% |
$55.2K - $86.7K
|
10.2K
$105K
|
|
|
Nov 14, 2025
Q3 2025
|
Raymond James Financial Inc
St. Petersburg, FL |
BUY
|
- |
8.54K+ 63.25% |
$53.1K - $83.3K
|
22K
$226K
|
|
|
Nov 14, 2025
Q3 2025
|
Price T Rowe Associates Inc
Baltimore, MD |
BUY
|
- |
7.5K+ 10.56% |
$46.7K - $73.2K
|
78.5K
$805K
|
|
|
Nov 14, 2025
Q3 2025
|
Srs Capital Advisors, Inc.
Denver, CO |
BUY
|
- |
5.38KNew |
$33.5K - $52.5K
|
5.38K
$55.2K
|
|
|
Nov 13, 2025
Q3 2025
|
Franklin Resources Inc
San Mateo, CA |
BUY
|
- |
5.09K+ 9.08% |
$31.7K - $49.7K
|
61.2K
$627K
|
|
|
Nov 14, 2025
Q3 2025
|
Rockefeller Capital Management L.P.
New York, NY |
BUY
|
- |
4.41KNew |
$27.4K - $43K
|
4.41K
$45.2K
|
|
|
Nov 13, 2025
Q3 2025
|
Virtus Investment Advisers, Inc.
Hartford, CT |
BUY
|
- |
3.9K+ 21.01% |
$24.2K - $38K
|
22.4K
$230K
|
|
|
Nov 13, 2025
Q3 2025
|
Quadrature Capital LTD
London, X0 |
BUY
|
- |
3.46K+ 14.58% |
$21.5K - $33.8K
|
27.2K
$279K
|
|
|
Oct 29, 2025
Q3 2025
|
Massachusetts Financial Services CO
Boston, MA |
BUY
|
- |
3.13K+ 7.04% |
$19.4K - $30.5K
|
47.5K
$487K
|
|
|
Nov 14, 2025
Q3 2025
|
Walleye Capital LLC
Plymouth, MN |
BUY
|
PUT |
2.7KNew |
$16.8K - $26.4K
|
2.7K
$27.7K
|
|
|
Nov 12, 2025
Q3 2025
|
Police & Firemen'S Retirement System Of New Jersey
Trenton, NJ |
BUY
|
- |
2.35K+ 23.25% |
$14.6K - $22.9K
|
12.5K
$128K
|
|
|
Nov 12, 2025
Q3 2025
|
Sterling Capital Management LLC
Charlotte, NC |
BUY
|
- |
1.59K+ 165.59% |
$9.88K - $15.5K
|
2.55K
$26.1K
|
|
|
Nov 13, 2025
Q3 2025
|
Quadrant Capital Group LLC
Cincinnati, OH |
BUY
|
- |
1.26KNew |
$7.84K - $12.3K
|
1.26K
$12.9K
|
|
|
Nov 10, 2025
Q3 2025
|
Intech Investment Management LLC
West Palm Beach, FL |
BUY
|
- |
1.01K+ 5.52% |
$6.31K - $9.9K
|
19.4K
$199K
|
|
|
Nov 14, 2025
Q3 2025
|
Point72 Europe (London) LLP
London, X0 |
BUY
|
- |
531New |
$3.3K - $5.18K
|
531
$5.44K
|
|
|
Dec 02, 2025
Q3 2025
|
Allworth Financial LP
|
BUY
|
- |
493+ 132.53% |
$3.07K - $4.81K
|
865
$8.87K
|
|
|
Oct 31, 2025
Q3 2025
|
Purkiss Capital Advisors LLC
Ridgefield, CT |
BUY
|
- |
482+ 1.94% |
$3K - $4.7K
|
25.4K
$260K
|
|
|
Nov 10, 2025
Q3 2025
|
Optiver Holding B.V.
Amsterdam, P7 |
BUY
|
- |
352New |
$2.19K - $3.44K
|
352
$3.61K
|
|
|
Oct 21, 2025
Q3 2025
|
Signaturefd, LLC
Atlanta, GA |
BUY
|
- |
313+ 9.32% |
$1.95K - $3.05K
|
3.67K
$37.6K
|
|
|
Nov 14, 2025
Q3 2025
|
Corton Capital Inc.
Carrying Place, A6 |
BUY
|
- |
244+ 1.75% |
$1.52K - $2.38K
|
14.2K
$146K
|
|
|
Nov 12, 2025
Q3 2025
|
Cambridge Investment Research Advisors, Inc.
|
BUY
|
- |
202+ 0.74% |
$1.26K - $1.97K
|
27.5K
$282K
|
|
|
Nov 14, 2025
Q3 2025
|
Evelyn Partners Investment Management LLP
London, |
BUY
|
- |
199New |
$1.24K - $1.94K
|
199
$2.04K
|
|
|
Oct 30, 2025
Q3 2025
|
Cva Family Office, LLC
|
BUY
|
- |
153+ 212.5% |
$952 - $1.49K
|
225
$2.31K
|
|
|
Nov 13, 2025
Q3 2025
|
Johnson Financial Group, Inc.
Racine, WI |
BUY
|
- |
151New |
$939 - $1.47K
|
151
$1.55K
|
|
|
Nov 07, 2025
Q3 2025
|
Pnc Financial Services Group, Inc.
Pittsburgh, PA |
BUY
|
- |
109+ 0.6% |
$678 - $1.06K
|
18.1K
$186K
|
|
|
Nov 14, 2025
Q3 2025
|
Northern Trust Corp
Chicago, IL |
BUY
|
- |
103+ 0.03% |
$641 - $1.01K
|
335K
$3.43M
|
|
|
Oct 21, 2025
Q3 2025
|
True Wealth Design, LLC
Akron, OH |
BUY
|
- |
103New |
$641 - $1.01K
|
103
$1.06K
|
|
|
Nov 10, 2025
Q3 2025
|
Ever Source Wealth Advisors, LLC
|
BUY
|
- |
90New |
$560 - $878
|
90
$923
|
|
|
Oct 29, 2025
Q3 2025
|
Chicago Partners Investment Group LLC
|
BUY
|
- |
82+ 0.56% |
$510 - $800
|
14.8K
$152K
|
|
|
Nov 14, 2025
Q3 2025
|
Northwestern Mutual Wealth Management CO
|
BUY
|
- |
50New |
$311 - $488
|
50
$513
|
|
|
Nov 10, 2025
Q3 2025
|
Clearstead Advisors, LLC
Cleveland, OH |
BUY
|
- |
17+ 425.0% |
$106 - $166
|
21
$215
|
|
|
Nov 14, 2025
Q3 2025
|
Glen Eagle Advisors, LLC
Kingston, NJ |
BUY
|
- |
10New |
$62.2 - $97.6
|
10
$103
|
|
|
Nov 14, 2025
Q3 2025
|
Larson Financial Group LLC
|
BUY
|
- |
6New |
$37.3 - $58.6
|
6
$61.5
|
|
|
Nov 03, 2025
Q3 2025
|
Mirae Asset Global Investments Co., Ltd.
|
BUY
|
- |
2+ 0.1% |
$12.4 - $19.5
|
2.08K
$21.3K
|
|
|
Dec 02, 2025
Q3 2025
|
Ifp Advisors, Inc
|
BUY
|
- |
0New |
$0 - $0
|
0
$0
|
|
| Q2 2025 | |||||||
|
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
|
Schonfeld Strategic Advisors LLC
New York, NY |
BUY
|
- |
307KNew |
$1.41M - $3.73M
|
307K
$3.15M
|
|
|
Jul 22, 2025
Q2 2025
|
Gsa Capital Partners LLP
London, X0 |
BUY
|
- |
211KNew |
$964K - $2.56M
|
211K
$2.16M
|
|
|
Aug 14, 2025
Q2 2025
|
State Of Wisconsin Investment Board
Madison, WI |
BUY
|
- |
104KNew |
$476K - $1.26M
|
104K
$1.07M
|
|
|
Nov 21, 2025
Q2 2025
|
Royal Bank Of Canada
Toronto, A6 |
BUY
|
- |
102K+ 2353.43% |
$465K - $1.23M
|
106K
$1.09M
|
|
|
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
|
Diadema Partners LP
Morristown, NJ |
BUY
|
CALL |
100KNew |
$458K - $1.21M
|
100K
$1.03M
|
|