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 |
|---|---|---|---|---|---|---|---|
|
Aug 11, 2025
Q2 2025
|
Brown Brothers Harriman & CO
New York, NY |
BUY
|
- |
5KNew |
$22.9K - $60.7K
|
5K
$40.8K
|
|
|
Aug 11, 2025
Q2 2025
|
Alps Advisors Inc
Denver, CO |
SELL
|
- |
-8.93K- 23.52% |
$40.9K - $108K
|
29K
$237K
|
|
|
Aug 11, 2025
Q2 2025
|
Covestor LTD
Boston, MA |
BUY
|
- |
42.3K+ 1057275.0% |
$194K - $513K
|
42.3K
$345K
|
|
|
Aug 11, 2025
Q2 2025
|
Vanguard Group Inc
Valley Forge, PA |
BUY
|
- |
907K+ 71.45% |
$4.15M - $11M
|
2.18M
$17.8M
|
|
|
Aug 08, 2025
Q2 2025
|
Quinn Opportunity Partners LLC
Charlottesville, VA |
BUY
|
- |
50KNew |
$229K - $607K
|
50K
$408K
|
|
|
Aug 08, 2025
Q2 2025
|
Pnc Financial Services Group, Inc.
Pittsburgh, PA |
BUY
|
- |
17.5K+ 3594.26% |
$80.3K - $213K
|
18K
$147K
|
|
|
Aug 08, 2025
Q2 2025
|
Geode Capital Management, LLC
Boston, MA |
SELL
|
- |
-81.3K- 8.02% |
$373K - $988K
|
933K
$7.62M
|
|
|
Aug 08, 2025
Q2 2025
|
Massachusetts Financial Services CO
Boston, MA |
BUY
|
- |
548+ 1.25% |
$2.51K - $6.65K
|
44.4K
$362K
|
|
|
Aug 08, 2025
Q2 2025
|
Sg Americas Securities, LLC
|
SELL
|
- |
-20.6K- 28.42% |
$94.4K - $250K
|
51.9K
$424K
|
|
|
Aug 08, 2025
Q2 2025
|
Creative Planning
Overland Park, KS |
BUY
|
- |
39.9K+ 373.05% |
$183K - $484K
|
50.6K
$413K
|
|
|
Aug 08, 2025
Q2 2025
|
Intech Investment Management LLC
West Palm Beach, FL |
SELL
|
- |
-15K- 44.95% |
$68.7K - $182K
|
18.4K
$150K
|
|
|
Aug 07, 2025
Q2 2025
|
Connor, Clark & Lunn Investment Management Ltd.
|
SELL
|
- |
-72.6K- 79.34% |
$332K - $881K
|
18.9K
$154K
|
|
|
Aug 07, 2025
Q2 2025
|
Acadian Asset Management LLC
Boston, MA |
BUY
|
- |
1.02MNew |
$4.66M - $12.4M
|
1.02M
$8.31M
|
|
|
Aug 07, 2025
Q2 2025
|
Monaco Asset Management Sam
|
BUY
|
- |
70KNew |
$321K - $850K
|
70K
$571K
|
|
|
Aug 07, 2025
Q2 2025
|
Zurcher Kantonalbank (Zurich Cantonalbank)
Zurich, V8 |
SELL
|
- |
-472- 2.94% |
$2.16K - $5.73K
|
15.6K
$127K
|
|
|
Aug 07, 2025
Q2 2025
|
Hennion & Walsh Asset Management, Inc.
|
BUY
|
- |
8.52K+ 10.97% |
$39K - $103K
|
86.2K
$703K
|
|
|
Aug 07, 2025
Q2 2025
|
Flagship Wealth Advisors, LLC
Wakefield, MA |
BUY
|
- |
1.5KNew |
$6.87K - $18.2K
|
1.5K
$12.2K
|
|
|
Aug 07, 2025
Q2 2025
|
Allworth Financial LP
|
BUY
|
- |
325+ 691.49% |
$1.49K - $3.95K
|
372
$3.04K
|
|
|
Aug 06, 2025
Q2 2025
|
Los Angeles Capital Management LLC
|
BUY
|
- |
16.7KNew |
$76.5K - $203K
|
16.7K
$136K
|
|
|
Aug 06, 2025
Q2 2025
|
Prospera Financial Services Inc
|
BUY
|
- |
10KNew |
$45.8K - $121K
|
10K
$81.6K
|
|
|
Aug 06, 2025
Q2 2025
|
Sterling Capital Management LLC
Charlotte, NC |
BUY
|
- |
628+ 189.73% |
$2.88K - $7.62K
|
959
$7.83K
|
|
|
Aug 06, 2025
Q2 2025
|
Commonwealth Equity Services, LLC
|
SELL
|
- |
-1.5K- 11.26% |
$6.87K - $18.2K
|
11.8K
$96.5K
|
|
|
Aug 05, 2025
Q2 2025
|
Corton Capital Inc.
Carrying Place, A6 |
BUY
|
- |
14KNew |
$64K - $170K
|
14K
$114K
|
|
|
Aug 05, 2025
Q2 2025
|
Simplex Trading, LLC
|
BUY
|
- |
43.3KNew |
$198K - $525K
|
43.3K
$353K
|
|
|
Aug 05, 2025
Q2 2025
|
Huntington National Bank
Columbus, OH |
BUY
|
- |
324New |
$1.48K - $3.93K
|
324
$2.64K
|
|
|
Aug 05, 2025
Q2 2025
|
Bnp Paribas Asset Management Holding S.A.
|
BUY
|
- |
683New |
$3.13K - $8.29K
|
683
$5.57K
|
|
|
Aug 04, 2025
Q2 2025
|
Pinnacle Associates LTD
|
SELL
|
- |
-26.2K- 26.11% |
$120K - $318K
|
74.1K
$604K
|
|
|
Aug 04, 2025
Q2 2025
|
Strs Ohio
|
BUY
|
- |
16.4KNew |
$75.1K - $199K
|
16.4K
$134K
|
|
|
Aug 01, 2025
Q2 2025
|
Purkiss Capital Advisors LLC
Ridgefield, CT |
BUY
|
- |
3.28K+ 15.14% |
$15K - $39.8K
|
24.9K
$203K
|
|
|
Jul 31, 2025
Q2 2025
|
Nisa Investment Advisors, LLC
|
SELL
|
- |
-711- 57.48% |
$3.26K - $8.63K
|
526
$4.29K
|
|
|
Jul 31, 2025
Q2 2025
|
Oppenheimer & CO Inc
New York, NY |
BUY
|
- |
18.6KNew |
$85.2K - $226K
|
18.6K
$152K
|
|
|
Jul 31, 2025
Q2 2025
|
Cambridge Investment Research Advisors, Inc.
|
BUY
|
- |
17.1K+ 168.7% |
$78.5K - $208K
|
27.3K
$223K
|
|
|
Jul 29, 2025
Q2 2025
|
Nordea Investment Management Ab
Stockholm, V7 |
BUY
|
- |
3.62K+ 1.17% |
$16.6K - $43.9K
|
312K
$2.54M
|
|
|
Jul 29, 2025
Q2 2025
|
Chicago Partners Investment Group LLC
|
BUY
|
- |
247+ 1.7% |
$1.13K - $3K
|
14.8K
$120K
|
|
|
Jul 28, 2025
Q2 2025
|
Harbour Investments, Inc.
Madison, WI |
SELL
|
- |
-2- 66.67% |
$9.16 - $24.3
|
1
$8.16
|
|
|
Jul 25, 2025
Q2 2025
|
Cwm, LLC
|
BUY
|
- |
731+ 115.12% |
$3.35K - $8.87K
|
1.37K
$11.1K
|
|
|
Jul 24, 2025
Q2 2025
|
Ronald Blue Trust, Inc.
Brentwood, TN |
SELL
|
- |
-678- 95.36% |
$3.11K - $8.23K
|
33
$269
|
|
|
Jul 24, 2025
Q2 2025
|
Ifp Advisors, Inc
|
SELL
|
- |
-132Closed |
$605 - $1.6K
|
0
$0
|
|
|
Jul 23, 2025
Q2 2025
|
Us Bancorp \De\
|
BUY
|
- |
8.52K+ 1663.87% |
$39K - $103K
|
9.03K
$73.7K
|
|
|
Jul 22, 2025
Q2 2025
|
Gsa Capital Partners LLP
London, X0 |
BUY
|
- |
211KNew |
$964K - $2.56M
|
211K
$1.72M
|
|
|
Jul 22, 2025
Q2 2025
|
Duncan Williams Asset Management, LLC
Memphis, TN |
BUY
|
- |
88.3KNew |
$405K - $1.07M
|
88.3K
$721K
|
|
|
Jul 21, 2025
Q2 2025
|
Mirae Asset Global Investments Co., Ltd.
|
BUY
|
- |
278+ 15.44% |
$1.27K - $3.37K
|
2.08K
$17K
|
|
|
Jul 16, 2025
Q2 2025
|
Signaturefd, LLC
Atlanta, GA |
BUY
|
- |
3K+ 832.5% |
$13.7K - $36.4K
|
3.36K
$27.4K
|
|
|
Jul 15, 2025
Q2 2025
|
Public Employees Retirement System Of Ohio
Columbus, OH |
BUY
|
- |
42.2KNew |
$193K - $512K
|
42.2K
$344K
|
|
|
Jul 14, 2025
Q2 2025
|
Gamma Investing LLC
Foster City, CA |
SELL
|
- |
-288- 59.38% |
$1.32K - $3.5K
|
197
$1.61K
|
|
|
Jul 11, 2025
Q2 2025
|
Farther Finance Advisors, LLC
San Francisco, CA |
BUY
|
- |
1.49K+ 154.08% |
$6.82K - $18.1K
|
2.46K
$20K
|
|
|
Jul 10, 2025
Q2 2025
|
Mogy Joel R Investment Counsel Inc
Beverly Hills, CA |
BUY
|
- |
20.8KNew |
$95K - $252K
|
20.8K
$169K
|
|
|
Jul 07, 2025
Q2 2025
|
Parallel Advisors, LLC
|
BUY
|
- |
523+ 747.14% |
$2.4K - $6.35K
|
593
$4.84K
|
|
|
Jul 07, 2025
Q2 2025
|
Versant Capital Management, Inc
|
BUY
|
- |
1.51K+ 284.93% |
$6.93K - $18.4K
|
2.04K
$16.7K
|
|
| Q1 2025 | |||||||
|
Sep 15, 2025
Q1 2025
|
Charles Schwab Investment Management Inc
San Francisco, CA |
BUY
|
- |
44.5K+ 16.19% |
$551K - $714K
|
320K
$2.61M
|
|