X4 Pharmaceuticals, Inc
XFOR- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001501697
In the last 90 days, X4 Pharmaceuticals, Inc insiders filed 0 open-market purchases and 3 sales; 89 institutions reported holding it in 13F filings for Q2 2026, worth $491.9M in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in X4 Pharmaceuticals, Inc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 52
- −42 vs. Q1 2025
- Shares held
- 2.81M
- −95.9M (−97.2%) vs. Q1 2025
- Total value
- $5.33M
- −$18.2M (−77.4%) vs. Q1 2025
- New holders
- 11
- 1 more added
- Sold out
- 53
- 40 more reduced
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting XFOR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 89 | $491.9M |
| Q1 2026 | 84 | $407.0M |
| Q4 2025 | 79 | $357.7M |
| Q3 2025 | 42 | $55.3M |
| Q2 2025 | 52 | $5.33M |
| Q1 2025 | 94 | $23.6M |
| Q4 2024 | 90 | $73.3M |
| Q3 2024 | 98 | $67.4M |
| Q2 2024 | 99 | $60.7M |
| Q1 2024 | 98 | $147.1M |
| Q4 2023 | 93 | $87.1M |
| Q3 2023 | 91 | $122.6M |
| Q2 2023 | 96 | $219.2M |
| Q1 2023 | 59 | $53.7M |
| Q4 2022 | 54 | $60.2M |
| Q3 2022 | 59 | $74.0M |
| Q2 2022 | 51 | $16.6M |
| Q1 2022 | 56 | $30.7M |
| Q4 2021 | 52 | $40.4M |
| Q3 2021 | 52 | $85.7M |
| Q2 2021 | 63 | $111.5M |
| Q1 2021 | 61 | $139.0M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 563,859 | $1.07M | 0.13% | −16,351,925−96.7% | Reduced |
| NEA Management Company, LLC | 499,559 | $949.2K | 0.07% | −14,487,234−96.7% | Reduced |
| Kingdon Capital Management, L.L.C. | 233,332 | $443.3K | 0.09% | −6,766,668−96.7% | Reduced |
| Vanguard Group Inc | 231,892 | $440.6K | 0.00% | −7,835,624−97.1% | Reduced |
| BlackRock, Inc. | 179,228 | $340.5K | 0.00% | −11,251,076−98.4% | Reduced |
| Acorn Capital Advisors, LLC | 153,730 | $292.1K | 0.19% | −7,156,920−97.9% | Reduced |
| Gsa Capital Partners LLP | 132,724 | $252.0K | 0.02% | +132,724 | New |
| UBS Group AG | 109,959 | $208.9K | 0.00% | −4,927,224−97.8% | Reduced |
| Jane Street Group, LLC | 97,344 | $185.0K | 0.00% | +97,344 | New |
| Bank of America Corp | 80,316 | $152.6K | 0.00% | +2,976+3.8% | Added |
| UBS Oconnor LLC | 80,000 | $152.0K | 0.00% | −172,602−68.3% | Reduced |
| Millennium Management LLC | 78,061 | $148.3K | 0.00% | −180,698−69.8% | Reduced |
| Pale Fire Capital SE | 60,051 | $114.1K | 0.01% | −1,975,311−97.0% | Reduced |
| Geode Capital Management, LLC | 49,146 | $93.4K | 0.00% | −3,570,536−98.6% | Reduced |
| Squarepoint Ops LLC | 38,982 | $74.1K | 0.00% | +38,982 | New |
| Susquehanna International Group, LLP | 34,821 | $66.2K | 0.00% | −1,677,540−98.0% | Reduced |
| AQR Capital Management LLC | 26,382 | $50.1K | 0.00% | −60,581−69.7% | Reduced |
| Point72 Asset Management, L.P. | 21,667 | $41.2K | 0.00% | −628,333−96.7% | Reduced |
| Goldman Sachs Group Inc | 18,864 | $35.8K | 0.00% | −255,001−93.1% | Reduced |
| Renaissance Technologies LLC | 17,366 | $33.0K | 0.00% | −2,734−13.6% | Reduced |
| State Street Corp | 15,534 | $29.5K | 0.00% | −3,039,547−99.5% | Reduced |
| Virtu Financial LLC | 12,587 | $24.0K | 0.00% | −54,718−81.3% | Reduced |
| Schonfeld Strategic Advisors LLC | 11,261 | $21.4K | 0.00% | −324,175−96.6% | Reduced |
| Morgan Stanley | 10,924 | $20.8K | 0.00% | −559,087−98.1% | Reduced |
| HRT Financial LP | 10,548 | $20.0K | 0.00% | −23,934−69.4% | Reduced |
| Russell Investments Group, Ltd. | 9,727 | $18.5K | 0.00% | +9,727 | New |
| Royal Bank of Canada | 6,170 | $12.0K | 0.00% | −9,258−60.0% | Reduced |
| Tower Research Capital LLC (TRC) | 5,203 | $9.89K | 0.00% | −25,347−83.0% | Reduced |
| Group One Trading, L.P. | 3,998 | $7.60K | 0.00% | −168,110−97.7% | Reduced |
| CWM, LLC | 2,414 | $5.00K | 0.00% | −6,914−74.1% | Reduced |
| CIBC Private Wealth Group, LLC | 2,166 | $4.12K | 0.00% | −62,822−96.7% | Reduced |
| The PNC Financial Services Group, Inc. | 1,793 | $3.41K | 0.00% | −29,245−94.2% | Reduced |
| FMR LLC | 1,697 | $3.22K | 0.00% | −39,421−95.9% | Reduced |
| TD Waterhouse Canada Inc. | 1,500 | $2.81K | 0.00% | −43,500−96.7% | Reduced |
| SRS Capital Advisors, Inc. | 1,120 | $2.13K | 0.00% | +1,120 | New |
| Citigroup Inc | 762 | $1.45K | 0.00% | −121,600−99.4% | Reduced |
| BNP Paribas Arbitrage, SA | 636 | $1.21K | 0.00% | −18,625−96.7% | Reduced |
| Bleichroeder LP | 595 | $1.13K | 0.00% | −17,270−96.7% | Reduced |
| Wells Fargo & Company | 348 | $661 | 0.00% | −81,188−99.6% | Reduced |
| Ronald Blue Trust, Inc. | 284 | $540 | 0.00% | −8,236−96.7% | Reduced |
| SBI Securities Co., Ltd. | 216 | $410 | 0.00% | −6,203−96.6% | Reduced |
| Federated Hermes, Inc. | 149 | $283 | 0.00% | +149 | New |
| Nisa Investment Advisors, LLC | 139 | $264 | 0.00% | +139 | New |
| Raymond James Financial Inc | 66 | $125 | 0.00% | +66 | New |
| Clearstead Advisors, LLC | 64 | $122 | 0.00% | +64 | New |
| IFP Advisors, Inc | 0 | $90 | 0.00% | 0 | New |
| Jones Financial Companies LLLP | 38 | $70 | 0.00% | −1,106−96.7% | Reduced |
| JPMorgan Chase & Co | 33 | $63 | 0.00% | −165,405−100.0% | Reduced |
| GWM Advisors LLC | 33 | $63 | 0.00% | −967−96.7% | Reduced |
| EverSource Wealth Advisors, LLC | 23 | $44 | 0.00% | −7−23.3% | Reduced |
| HighMark Wealth Management LLC | 6 | $11 | 0.00% | −174−96.7% | Reduced |
| True Wealth Design, LLC | 3 | $6 | 0.00% | +3 | New |
| OrbiMed Advisors LLC | 0 | $0 | 0.00% | −6,776,515−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −2,235,655−100.0% | Sold out |
| Northern Trust Corp | 0 | $0 | 0.00% | −1,253,815−100.0% | Sold out |
| CIBC World Markets Inc. | 0 | $0 | 0.00% | −35,000−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −691,116−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −481,528−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −344,747−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −267,628−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −188,415−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −185,083−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −118,644−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −111,704−100.0% | Sold out |
| Alliancebernstein L.P. | 0 | $0 | 0.00% | −109,570−100.0% | Sold out |
| Mirae Asset Global ETFs Holdings Ltd. | 0 | $0 | 0.00% | −100,693−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −91,487−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −83,015−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −83,602−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −75,550−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −58,187−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −57,960−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −57,803−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −51,639−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −44,667−100.0% | Sold out |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −40,251−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −37,866−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −36,941−100.0% | Sold out |
| Police & Firemen's Retirement System of New Jersey | 0 | $0 | 0.00% | −33,784−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −33,327−100.0% | Sold out |
| Colony Group, LLC | 0 | $0 | 0.00% | −25,975−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −25,250−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −25,201−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −22,239−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −20,267−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −19,925−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −18,609−100.0% | Sold out |
| Private Advisor Group, LLC | 0 | $0 | 0.00% | −18,500−100.0% | Sold out |
| Wealthcare Capital Partners, LLC | 0 | $0 | 0.00% | −17,845−100.0% | Sold out |
| LexAurum Advisors, LLC | 0 | $0 | 0.00% | −16,000−100.0% | Sold out |
| Claudia M.P. Batlle, CRP (R) LLC | 0 | $0 | 0.00% | −15,063−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −13,720−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −12,668−100.0% | Sold out |
| Pathstone Holdings, LLC | 0 | $0 | 0.00% | −12,637−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −12,176−100.0% | Sold out |
| Allred Capital Management, LLC | 0 | $0 | 0.00% | −11,560−100.0% | Sold out |
| HBK Sorce Advisory LLC | 0 | $0 | 0.00% | −11,138−100.0% | Sold out |
| Xponance, Inc. | 0 | $0 | 0.00% | −11,046−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −10,167−100.0% | Sold out |
| 1620 Investment Advisors, Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |