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Blackstone Inc.

Position in XFOR — X4 Pharmaceuticals, Inc

CIK 1393818 NEW YORK, NY

Position in XFOR

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$11,076,337
+$348,649 QoQ
Shares Held
2,681,922
0.0% QoQ
Ownership
2.84%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#12
of 82 holders
Holding Since
Dec 2025
2 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Common Shares in XFOR Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Blackstone Inc. holds $185,974,784 across 43 Biotechnology names. XFOR ranks #7 (6.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 XFOR
X4 Pharmaceuticals, Inc
This page
2,681,922 $11,076,337

All Filings in XFOR

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2 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $11,076,337 2,681,922
2025-12-31 $10,727,688 2,681,922