Position in PTCT
as of Jun 30, 2026
· filed Aug 6, 2026
Position Value
$34,098,295
+$11,244,840 QoQ
Shares Held
418,025
+24.6% QoQ
Ownership
0.501%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#53
of 382 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 82%
Shared 0%
None 18%
Common Shares in PTCT Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Russell Investments Group, Ltd. holds $1,494,413,888 across 308 Biotechnology names. PTCT ranks #8 (2.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
336,990 | $167,393,033 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
230,151 | $143,508,345 | |
| 3 | RPRX |
Royalty Pharma plc
|
1,694,250 | $94,996,587 | |
| 4 | INCY |
Incyte Corp
|
425,616 | $48,247,822 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
158,228 | $47,631,369 | |
| 6 | BMRN |
Biomarin Pharmaceutical Inc
|
783,148 | $44,811,725 | |
| 7 | LGND |
Ligand Pharmaceuticals Inc
|
120,304 | $38,026,888 | |
| 8 | PTCT |
Ptc Therapeutics, Inc.
This page
|
418,025 | $34,098,295 |
All Filings in PTCT
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $34,098,295 | 418,025 | Shares | Defined | 2026-08-06 | |
| 2026-03-31 | $22,853,455 | 335,439 | Shares | Defined | 2026-05-08 | |
| 2025-12-31 | $20,566,012 | 270,748 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $15,188,640 | 247,493 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $6,434,618 | 131,749 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $695,297 | 13,644 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $7,705,257 | 170,697 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $8,616,064 | 232,239 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $8,596,034 | 281,100 | Shares | Defined | 2024-08-08 | |
| 2024-03-31 | $8,779,068 | 301,790 | Shares | Defined | 2024-05-08 | |
| 2023-12-31 | $5,267,265 | 191,120 | Shares | Defined | 2024-02-05 | |
| 2023-09-30 | $4,940,036 | 220,439 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $7,712,494 | 189,636 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $11,621,528 | 239,916 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $9,373,749 | 245,579 | Shares | Defined | 2023-02-08 | |
| 2022-09-30 | $11,851,315 | 236,082 | Shares | Defined | 2022-11-04 | |
| 2022-06-30 | $9,892,214 | 246,935 | Shares | Sole | 2022-07-29 | |
| 2022-03-31 | $8,170,552 | 218,991 | Shares | Defined | 2022-05-05 | |
| 2021-12-31 | $9,712,624 | 243,852 | Shares | Sole | 2022-01-21 | |
| 2021-09-30 | $8,237,920 | 221,390 | Shares | Defined | 2021-11-08 | |
| 2021-06-30 | $7,540,543 | 178,390 | Shares | Sole | 2021-08-04 | |
| 2021-03-31 | $4,011,301 | 84,716 | Shares | Defined | 2021-05-10 | |
| 2020-12-31 | $4,001,369 | 65,564 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $3,779,362 | 80,842 | Shares | Defined | 2020-11-09 | |
| 2020-06-30 | $4,839,427 | 95,377 | Shares | Defined | 2020-08-05 | |
| 2020-03-31 | $3,364,351 | 75,417 | Shares | Defined | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||