X4 Pharmaceuticals, Inc - Common Stock (XFOR)

CUSIP: 98420X202

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common Stock
Shares outstanding
87,101,353
Total 13F shares
85,919,846
Share change
+57,015,275
Total reported value
$343,681,474
Price per share
$4.00
Number of holders
75
Value change
+$228,817,038
Number of buys
53
Number of sells
11

Quarterly Holders Quick Answers

What is CUSIP 98420X202?
CUSIP 98420X202 identifies XFOR - X4 Pharmaceuticals, Inc - Common Stock in SEC institutional holdings data.

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Institutional Holders of X4 Pharmaceuticals, Inc - Common Stock (XFOR) as of Q4 2025

As of 31 Dec 2025, X4 Pharmaceuticals, Inc - Common Stock (XFOR) was held by 75 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 85,919,846 shares. The largest 10 holders included Empery Asset Management, LP, FMR LLC, MORGAN STANLEY, Bain Capital Life Sciences Investors, LLC, PERCEPTIVE ADVISORS LLC, Saturn V Capital Management LP, Deep Track Capital, LP, Kalehua Capital Management LLC, VANGUARD GROUP INC, and BRAIDWELL LP. This page lists 75 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.