AMERICAN CENTURY COMPANIES INC
Position in PTGX — Protagonist Therapeutics, Inc
CIK 748054
KANSAS CITY, MO
Position in PTGX
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$73,376,388
+$16,742,860 QoQ
Shares Held
598,600
+11.4% QoQ
Ownership
0.925%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#27
of 341 holders
Holding Since
Dec 2022
14 quarters on record
Voting authority
Sole 86%
Shared 14%
None 0%
Common Shares in PTGX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026AMERICAN CENTURY COMPANIES INC holds $3,568,637,643 across 178 Biotechnology names. PTGX ranks #12 (2.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,853,956 | $558,096,374 | |
| 2 | ASND |
Ascendis Pharma A/S
|
1,400,575 | $373,561,364 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
580,901 | $288,550,953 | |
| 4 | ARGX |
Argenx SE
|
173,193 | $160,683,269 | |
| 5 | IONS |
Ionis Pharmaceuticals Inc
|
1,947,076 | $154,383,656 | |
| 6 | EXEL |
Exelixis, Inc.
|
1,791,664 | $97,484,438 | |
| 7 | HRMY |
Harmony Biosciences Holdings, Inc.
|
2,539,512 | $92,463,631 | |
| 8 | GPCR |
Structure Therapeutics Inc.
|
1,682,179 | $90,282,546 |
All Filings in PTGX
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $73,376,388 | 598,600 | Shares | Defined | 2026-08-12 | |
| 2026-03-31 | $56,633,528 | 537,320 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $46,763,844 | 535,423 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $39,861,122 | 600,047 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $44,989,503 | 813,995 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $33,166,448 | 685,824 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $35,831,839 | 928,286 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $25,864,875 | 574,775 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $946,326 | 27,311 | Shares | Defined | 2024-08-07 | |
| 2024-03-31 | $4,638,057 | 160,320 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $879,227 | 38,344 | Shares | Defined | 2024-02-13 | |
| 2023-06-30 | $396,043 | 14,339 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $359,191 | 15,617 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $120,620 | 11,056 | Shares | Defined | 2023-02-13 | |
| No filing history on record for this holder in this stock. | ||||||