X4 Pharmaceuticals, Inc - COMMON STOCK (XFOR)

CUSIP: 98420X202

Q2 2025 13F Holders as of 30 Jun 2025

Holder snapshot 6 signals
Share change
+2,066,952
SEC-reported price per share
$1.90
Number of holders
49
Value change
+$4,064,925
Number of buys
47
Number of sells
2
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
99,100,348

Security key

98420X202

Report period

Q2 2025

Institutions

49

Top holders

10

Ownership snapshot

Top reported holders of XFOR - X4 Pharmaceuticals, Inc - COMMON STOCK (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
VANGUARD GROUP INC
Disclosed value leader
Bain Capital Life Science...
Comparable rows
2/15
Latest evidence
31 Mar 2025
13F 13D/G 3/4/5 Lead comparable stake: 4.8% 13 rows are not safely comparable across share classes. 13D/G row: VANGUARD GROUP INC Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC leads the comparable SEC ownership view at 4.8%.

2 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD GROUP INC's linked filing trail.
Comparable ownership Top 2
VANGUARD GROUP INC 4.8%
ORBIMED ADVISORS LLC 1.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
VANGUARD GROUP INC
13F 13D/G
Company · The Vanguard Group
4.8%
Reported 13D/G · 31 Dec 2024
$1,903,935
8,067,516 shares
— 31 Mar 2025
ORBIMED ADVISORS LLC
13F 13D/G
Company
1.7%
Reported 13D/G · 30 Jun 2025
$1,601,968
6,776,515 shares
— 31 Mar 2025
Bain Capital Life Sciences Investors, LLC
13F
Company
13F
—
denominator unverified
$3,998,891
16,915,784 shares
— 31 Mar 2025
NEA Management Company, LLC
13F
Company
13F
—
denominator unverified
$3,542,878
14,986,793 shares
— 31 Mar 2025
BlackRock, Inc.
13F
Company
13F
—
denominator unverified
$2,702,123
11,430,304 shares
— 31 Mar 2025
ACORN CAPITAL ADVISORS, LLC
13F
Company
13F
—
denominator unverified
$1,754,556
7,310,650 shares
— 31 Mar 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
49
Shares
2,150,633
Rows available
49
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
2
Q2 2025 holders
49
Holder diff
47
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 value Q2 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .