Vanguard Group Inc Prothena Corp Public LTD CO Transaction History

Vanguard Group Inc

  • $6.44 Trillion
  • Q3 2025

A detailed history of Vanguard Group Inc transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, Vanguard Group Inc holds 2,049,849 shares of PRTA stock, worth $21 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares
2,049,849
Previous 2,176,227 5.81%
Holding current value
$21 Million
Previous $13.2 Million 51.46%
% of portfolio
0.0%
Previous 0.0%

Shares

18 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 07, 2025
SELL
$6.22 - $9.76 $786,071 - $1.23 Million
-126,378 Reduced 5.81%
2,049,849 $20 Million
Q2 2025

Aug 11, 2025
BUY
$4.58 - $12.14 $4.15 Million - $11 Million
906,956 Added 71.45%
2,176,227 $13.2 Million
Q1 2025

May 09, 2025
SELL
$12.38 - $16.04 $1.67 Million - $2.16 Million
-134,567 Reduced 9.59%
1,269,271 $15.7 Million
Q4 2024

Feb 11, 2025
BUY
$11.95 - $18.35 $1.73 Million - $2.66 Million
144,737 Added 11.5%
1,403,838 $19.4 Million
Q3 2024

Nov 13, 2024
BUY
$16.73 - $24.79 $1.46 Million - $2.17 Million
87,354 Added 7.46%
1,259,101 $21.1 Million
Q2 2024

Aug 13, 2024
BUY
$19.54 - $26.15 $907,906 - $1.22 Million
46,464 Added 4.13%
1,171,747 $24.2 Million
Q1 2024

May 10, 2024
BUY
$24.75 - $40.66 $1.35 Million - $2.23 Million
54,728 Added 5.11%
1,125,283 $27.9 Million
Q4 2023

Feb 14, 2024
BUY
$32.31 - $52.32 $1.29 Million - $2.08 Million
39,781 Added 3.86%
1,070,555 $38.9 Million
Q3 2023

Nov 14, 2023
SELL
$47.3 - $70.6 $468,601 - $699,434
-9,907 Reduced 0.95%
1,030,774 $49.7 Million
Q2 2023

Aug 14, 2023
BUY
$48.26 - $78.59 $4.64 Million - $7.55 Million
96,125 Added 10.18%
1,040,681 $71.1 Million
Q1 2023

May 15, 2023
BUY
$46.97 - $58.27 $3.5 Million - $4.34 Million
74,422 Added 8.55%
944,556 $45.8 Million
Q4 2022

Feb 10, 2023
BUY
$52.05 - $65.0 $3.24 Million - $4.04 Million
62,174 Added 7.7%
870,134 $52.4 Million
Q3 2022

Nov 14, 2022
SELL
$25.16 - $60.63 $531,278 - $1.28 Million
-21,116 Reduced 2.55%
807,960 $49 Million
Q2 2022

Aug 12, 2022
SELL
$22.73 - $39.98 $1.05 Million - $1.85 Million
-46,224 Reduced 5.28%
829,076 $22.5 Million
Q1 2022

May 13, 2022
SELL
$30.27 - $49.22 $784,114 - $1.27 Million
-25,904 Reduced 2.87%
875,300 $32 Million
Q4 2021

Feb 14, 2022
BUY
$42.11 - $73.26 $1.38 Million - $2.4 Million
32,726 Added 3.77%
901,204 $44.5 Million
Q3 2021

Nov 12, 2021
BUY
$48.2 - $78.89 $9.03 Million - $14.8 Million
187,382 Added 27.51%
868,478 $61.9 Million
Q2 2021

Aug 13, 2021
BUY
$21.63 - $57.65 $14.7 Million - $39.3 Million
681,096 New
681,096 $35 Million

Others Institutions Holding PRTA

# of Institutions
218
Shares Held
35M
Call Options Held
656K
Put Options Held
1.12M
View Full List

About PROTHENA CORP PUBLIC LTD CO

PRTA Quotes by TradingView
  • Ticker PRTA
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 46,922,800
  • Market Cap $481M
  • Description
  • Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a human...
More about PRTA
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