X4 Pharmaceuticals, Inc.

Historical 13F Holders

Symbol
XFOR
CUSIP
98420X103
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 98420X103 since 12/18/2024, largest first.

Filer % of Class Filed
Under 5%, checked the "5 percent or less" box, or amended by a later filing (2)
Vanguard Group Inc 13G/A 4.8% 1/31/2025
Event 12/31/2024
Orbimed Advisors LLC 13G/A 1.7% 8/14/2025
Event 6/30/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q2 1 3.23 M $15.1 M
2026 Q1 2 3.47 M $14.3 M
2025 Q4 3 3.51 M $14.0 M
2025 Q3 2 2.51 M $8.57 M
2025 Q2 2 653 k $1.24 M
2025 Q1 98 98.6 M $23.6 M
2024 Q4 98 107 M $78.6 M
2024 Q3 104 101 M $67.3 M
2024 Q2 110 105 M $60.9 M
2024 Q1 108 106 M $147 M
2023 Q4 105 104 M $87.1 M
2023 Q3 99 112 M $123 M
2023 Q2 106 113 M $219 M
2023 Q1 66 61.5 M $53.7 M
2022 Q4 63 60.8 M $60.4 M
2022 Q3 67 43.3 M $74.0 M
2022 Q2 55 17.2 M $16.6 M
2022 Q1 64 17.5 M $30.7 M
2021 Q4 63 17.7 M $40.4 M
2021 Q3 56 16.2 M $85.7 M
2021 Q2 68 17.2 M $111 M
2021 Q1 65 16.2 M $139 M
2020 Q4 55 10.5 M $67.4 M
2020 Q3 54 10.2 M $69.3 M
2020 Q2 60 11.6 M $106 M
2020 Q1 54 11.8 M $118 M
2019 Q4 57 11.2 M $120 M
2019 Q3 52 7.74 M $98.4 M
2019 Q2 47 7.62 M $114 M
2019 Q1 31 1.79 M $31.1 M