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Equibles

PRICE T ROWE ASSOCIATES INC /MD/

Position in XFOR — X4 Pharmaceuticals, Inc

CIK 80255 BALTIMORE, MD
Back to XFOR Full portfolio

Position in XFOR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$309,989
+$290,398 QoQ
Shares Held
66,379
+2299.0% QoQ
Ownership
0.067%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#44
of 89 holders
Holding Since
Mar 2020
10 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in XFOR Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

PRICE T ROWE ASSOCIATES INC /MD/ holds $17,929,584,838 across 304 Biotechnology names. XFOR ranks #228 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ARGX
Argenx SE
 2,678,047 $2,484,611,664
2 REGN
Regeneron Pharmaceuticals, Inc.
 1,529,709 $953,834,749
3 VRTX
Vertex Pharmaceuticals Inc / Ma
 1,728,421 $858,558,562
4 KYMR
Kymera Therapeutics, Inc.
 7,112,980 $815,645,416
5 RPRX
Royalty Pharma plc
 11,193,657 $627,628,347
6 RVMD
Revolution Medicines, Inc.
 2,969,853 $447,655,945
7 MRNA
Moderna, Inc.
 5,589,560 $391,436,886
8 TWST
Twist Bioscience Corp
 3,634,652 $373,932,997

All Filings in XFOR

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $309,989 66,379
2025-03-31 $19,591 83,015
2024-12-31 $41,101 55,996
2024-09-30 $37,461 55,996
2024-06-30 $29,131 50,226
2024-03-31 $54,636 39,307
2023-12-31 $22,479 26,793
2023-09-30 $29,204 26,793
2023-06-30 $48,509 25,005
2020-03-31 $1,532,019 153,202