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Russell Investments Group, Ltd.

Position in PTCT — Ptc Therapeutics, Inc.

CIK 1692234 Seattle, WA

Position in PTCT

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$22,853,455
+$2,287,443 QoQ
Shares Held
335,439
+23.9% QoQ
Ownership
0.404%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 83.17697107372727.ToString("F0")% Shared 0.ToString("F0")% None 16.823028926272734.ToString("F0")%

Common Shares in PTCT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Russell Investments Group, Ltd. holds $1,223,802,944 across 266 Biotechnology names. PTCT ranks #13 (1.9% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PTCT

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $22,853,455 335,439
2025-12-31 $20,566,012 270,748
2025-09-30 $15,188,640 247,493
2025-06-30 $6,434,618 131,749
2025-03-31 $695,297 13,644
2024-12-31 $7,705,257 170,697
2024-09-30 $8,616,064 232,239
2024-06-30 $8,596,034 281,100
2024-03-31 $8,779,068 301,790
2023-12-31 $5,267,265 191,120
2023-09-30 $4,940,036 220,439
2023-06-30 $7,712,494 189,636
2023-03-31 $11,621,528 239,916
2022-12-31 $9,373,749 245,579
2022-09-30 $11,851,315 236,082
2022-06-30 $9,892,214 246,935
2022-03-31 $8,170,552 218,991
2021-12-31 $9,712,624 243,852
2021-09-30 $8,237,920 221,390
2021-06-30 $7,540,543 178,390
2021-03-31 $4,011,301 84,716
2020-12-31 $4,001,369 65,564
2020-09-30 $3,779,362 80,842
2020-06-30 $4,839,427 95,377
2020-03-31 $3,364,351 75,417