Cornerstone Investment Partners, LLC
Position in PRTA — Prothena Corp Public Ltd Co
CIK 1328062
ATLANTA, GA
Position in PRTA
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$298,277
New position
Shares Held
30,687
first reported quarter
Ownership
0.060%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority
Sole 100%
Shared 0%
None 0%
Position in Biotechnology
Healthcare · as of Jun 30, 2026Cornerstone Investment Partners, LLC holds $1,900,408 across 6 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LGND |
Ligand Pharmaceuticals Inc
|
2,105 | $665,369 | |
| 2 | LXRX |
Lexicon Pharmaceuticals, Inc.
|
113,739 | $272,973 | |
| 3 | TBPH |
Theravance Biopharma, Inc.
|
15,348 | $260,916 | |
| 4 | VCEL |
Vericel Corp
|
5,399 | $240,201 | |
| 5 | AUPH |
Aurinia Pharmaceuticals Inc.
|
13,831 | $234,712 | |
| 6 | INVA |
Innoviva, Inc.
|
9,962 | $226,237 |
All Filings in PRTA
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $298,277 | 30,687 | Shares | Sole | 2026-05-08 | |
| No filing history on record for this holder in this stock. | ||||||