Vanguard Group »

Prothena shares owned by Vanguard Group

Quarter-by-quarter ownership of Prothena (PRTA) shares owned by Vanguard Group from 13F filings

Historical chart of Vanguard Group investment in Prothena

Tip: Access up to 7 years of quarterly data

All positions including Prothena held by Vanguard Group consolidated in one spreadsheet with up to 7 years of data

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Quarterly reported holdings in Prothena by Vanguard Group

Quarter filed Position value Share count Share price at filing
2024-06-30 $24M 1.2M 20.64
2024-03-31 $28M 1.1M 24.77
2023-12-31 $39M 1.1M 36.34
2023-09-30 $50M 1.0M 48.25
2023-06-30 $71M 1.0M 68.28
2023-03-31 $46M 945k 48.47
2022-12-31 $52M 870k 60.25
2022-06-30 $23M 829k 27.15
2022-03-31 $32M 875k 36.57
2021-09-30 $62M 869k 71.23
2021-06-30 $35M 681k 51.42
2021-03-31 $14M 572k 25.12
2020-12-31 $7.3M 604k 12.01
2020-09-30 $5.7M 574k 9.99
2020-06-30 $8.1M 773k 10.44
2020-03-31 $8.5M 792k 10.70
2019-12-31 $12M 769k 15.83
2019-09-30 $6.7M 852k 7.84
2019-03-31 $9.8M 808k 12.14
2018-12-31 $7.1M 694k 10.28
2018-09-30 $10M 768k 13.08
2018-06-30 $16M 1.1M 14.59
2018-03-31 $28M 749k 36.71
2017-12-31 $28M 739k 37.48
2017-09-30 $47M 732k 64.75
2017-06-30 $39M 713k 54.12
2017-03-31 $39M 700k 55.79
2016-12-31 $30M 602k 49.12
2016-09-30 $36M 592k 59.97
2016-06-30 $20M 584k 34.96
2015-12-31 $35M 520k 68.12
2015-09-30 $23M 509k 45.62
2015-06-30 $24M 461k 52.66
2015-03-31 $15M 394k 38.13
2014-12-31 $7.8M 375k 20.76
2014-09-30 $8.9M 402k 22.15
2014-06-30 $8.1M 357k 22.56
2014-03-31 $9.3M 243k 38.32
2013-12-31 $4.5M 168k 26.52
2013-09-30 $2.4M 119k 20.23
2013-06-30 $365k 28k 12.90