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Stocks / X4 Pharmaceuticals Inc
Institutional Ownership

X4 Pharmaceuticals Inc

CUSIP 98420X202COM NEWXFORQ1 2026

Shares Short
6.50M
As of Jul 15, 2026
Days to Cover
9.79
Short shares ÷ avg daily volume
Change vs Prior
+18.1%
vs previous settlement
Avg Daily Volume
663.9K
FINRA reported ADV

Short Interest History

17 settlements on record · FINRA consolidated

Higher short interest is bearish: increases show red, decreases green.

SettlementShares ShortPriorChangeAvg Daily VolDays to Cover
Jul 15, 20266.50M5.51M+18.1%663.9K9.79
Jun 30, 20265.51M4.18M+31.7%1.59M3.47
Jun 15, 20264.18M3.37M+24.0%421.4K9.92
May 29, 20263.37M2.92M+15.3%363.1K9.28
May 15, 20262.92M3.12M-6.2%344.2K8.49
Apr 30, 20263.12M3.14M-0.9%373.5K8.35
Apr 15, 20263.14M3.12M+0.7%415.0K7.58
Mar 31, 20263.12M3.50M-10.7%436.3K7.16
Mar 13, 20263.50M3.46M+1.2%619.1K5.65
Feb 27, 20263.46M3.38M+2.3%561.7K6.15
Feb 13, 20263.38M3.12M+8.3%518.8K6.51
Jan 30, 20263.12M3.09M+0.9%248.0K12.59