Security key
98420X103
X4 PHARMACEUTICALS, INC. - Common Stock, par value $0.001 per share (XFOR)
CUSIP: 98420X103
Q3 2025 13F Holders as of 30 Sep 2025
- Type / Class
- Equity / Common Stock, par value $0.001 per share
- Shares outstanding
- 94,372,096
- Total 13F shares
- 2,507,092
- Share change
- +1,853,803
- Total reported value
- $8,574,256
- Price per share
- $3.42
- Number of holders
- 2
- Value change
- +$6,340,007
- Number of buys
- 2
Report period
Q3 2025
Institutions
2
Top holders
2
XFOR full security history
Newer quarter: Q4 2025
Previous quarter: Q2 2025
X4 Pharmaceuticals, Inc SEC filings
X4 Pharmaceuticals, Inc company facts
Broader feeds
Reporting periods
Holder history for CUSIP 98420X103
Recent filing periods:
Top shareholders of XFOR - X4 PHARMACEUTICALS, INC. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: 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.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Deep Track Capital, LP |
13D/G
|
— |
10%
|
2,366,995
|
$4,568,300 | $0 | 12 Aug 2025 | |
| VANGUARD GROUP INC |
13D/G
13F
|
The Vanguard Group · Company |
4.8%
|
8,200,903
|
$1,558,172 | $0 | 31 Dec 2024 | |
| BlackRock, Inc. |
13D/G
13F
|
Company |
3%
|
179,125
|
$377,954 | $0 | 30 Jun 2025 | |
| ORBIMED ADVISORS LLC |
13D/G
|
— |
1.7%
|
134,947
|
$25,640 | $0 | 30 Jun 2025 | |
| Mark Baldry |
3/4/5
|
Chief Commercial Officer |
0.03%
|
25,337
|
$62,886 | — | 16 May 2025 | |
| Natasha Fay Thoren |
3/4/5
|
Chief Legal Officer |
0.01%
|
9,462
|
$1,797 | — | 20 May 2025 | |
| Keith Woods |
3/4/5
|
Director |
0.01%
|
6,000
|
$1,140 | — | 09 Jun 2025 | |
| David W. J. Mcgirr |
3/4/5
|
Director |
0.01%
|
4,722
|
$897 | — | 09 Jun 2025 | |
| Bain Capital Life Sciences Investors, LLC |
13F
|
Company |
0.65%
|
563,859
|
$1,071,332 | — | 30 Jun 2025 | |
| NEA Management Company, LLC |
13F
|
Company |
0.53%
|
499,559
|
$949,162 | — | 30 Jun 2025 | |
| KINGDON CAPITAL MANAGEMENT, L.L.C. |
13F
|
Company |
0.27%
|
233,332
|
$443,331 | — | 30 Jun 2025 | |
| ACORN CAPITAL ADVISORS, LLC |
13F
|
Company |
0.16%
|
153,730
|
$292,087 | — | 30 Jun 2025 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.15%
|
132,724
|
$252,000 | — | 30 Jun 2025 | |
| UBS Group AG |
13F
|
Company |
0.13%
|
109,959
|
$208,922 | — | 30 Jun 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.11%
|
97,344
|
$184,954 | — | 30 Jun 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.09%
|
80,316
|
$152,600 | — | 30 Jun 2025 | |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) |
13F
|
Company |
0.09%
|
80,000
|
$152,000 | — | 30 Jun 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.09%
|
78,061
|
$148,316 | — | 30 Jun 2025 | |
| Pale Fire Capital SE |
13F
|
Company |
0.07%
|
60,051
|
$114,097 | — | 30 Jun 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.06%
|
49,146
|
$93,398 | — | 30 Jun 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.04%
|
38,982
|
$74,066 | — | 30 Jun 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.04%
|
34,821
|
$66,160 | — | 30 Jun 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.03%
|
26,382
|
$50,125 | — | 30 Jun 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.02%
|
21,667
|
$41,167 | — | 30 Jun 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.02%
|
18,864
|
$35,842 | — | 30 Jun 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.02%
|
17,366
|
$32,995 | — | 30 Jun 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.02%
|
15,534
|
$29,515 | — | 30 Jun 2025 | |
| Virtu Financial LLC |
13F
|
Company |
0.01%
|
12,587
|
$24,000 | — | 30 Jun 2025 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
0.01%
|
11,261
|
$21,395 | — | 30 Jun 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.01%
|
10,924
|
$20,755 | — | 30 Jun 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.01%
|
10,548
|
$20,000 | — | 30 Jun 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.01%
|
9,727
|
$18,481 | — | 30 Jun 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.01%
|
5,203
|
$9,886 | — | 30 Jun 2025 | |
| GROUP ONE TRADING LLC |
13F
|
Company |
0%
|
3,998
|
$7,596 | — | 30 Jun 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0%
|
3,078
|
$6,000 | — | 30 Jun 2025 | |
| CWM, LLC |
13F
|
Company |
0%
|
2,414
|
$5,000 | — | 30 Jun 2025 | |
| CIBC Private Wealth Group LLC |
13F
|
Company |
0%
|
2,166
|
$4,115 | — | 30 Jun 2025 | |
| PNC FINANCIAL SERVICES GROUP, INC. |
13F
|
Company |
0%
|
1,793
|
$3,407 | — | 30 Jun 2025 | |
| FMR LLC |
13F
|
Company |
0%
|
1,697
|
$3,224 | — | 30 Jun 2025 | |
| TD Waterhouse Canada Inc. |
13F
|
Company |
0%
|
1,500
|
$2,805 | — | 30 Jun 2025 | |
| Arax Advisory Partners |
13F
|
Company |
0%
|
1,120
|
$2,128 | — | 30 Jun 2025 | |
| CITIGROUP INC |
13F
|
Company |
0%
|
762
|
$1,448 | — | 30 Jun 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0%
|
636
|
$1,208 | — | 30 Jun 2025 | |
| Bleichroeder LP |
13F
|
Company |
0%
|
595
|
$1,131 | — | 30 Jun 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0%
|
348
|
$661 | — | 30 Jun 2025 | |
| Blue Trust, Inc. |
13F
|
Company |
0%
|
284
|
$540 | — | 30 Jun 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
216
|
$410 | — | 30 Jun 2025 | |
| FEDERATED HERMES, INC. |
13F
|
Company |
0%
|
149
|
$283 | — | 30 Jun 2025 | |
| NISA INVESTMENT ADVISORS, LLC |
13F
|
Company |
0%
|
139
|
$264 | — | 30 Jun 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0%
|
66
|
$125 | — | 30 Jun 2025 |
Institutional Holders of X4 PHARMACEUTICALS, INC. - Common Stock, par value $0.001 per share (XFOR) as of Q3 2025
As of 30 Sep 2025,
X4 PHARMACEUTICALS, INC. - Common Stock, par value $0.001 per share (XFOR) was held by
2 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
2,507,092 shares.
The largest 2 holders included
NEA Management Company, LLC and ACORN CAPITAL ADVISORS, LLC.
This page lists
2
institutional shareholders reporting positions in this security
for the Q3 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
2
Q3 2025 holders
2
Holder diff
0
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 Value $ | Q3 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.