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, Q3 2023
Institutional positions in X4 Pharmaceuticals, Inc as of Sep 30, 2023. 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
- 91
- −5 vs. Q2 2023
- Shares held
- 112.4M
- −549.1K (−0.5%) vs. Q2 2023
- Total value
- $122.6M
- −$96.6M (−44.1%) vs. Q2 2023
- New holders
- 10
- 28 more added
- Sold out
- 15
- 27 more reduced
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 15,960,588 | $17.4M | 1.95% | 00.0% | Unchanged |
| NEA Management Company, LLC | 14,986,793 | $16.3M | 1.26% | 00.0% | Unchanged |
| BlackRock Inc. | 8,156,841 | $8.89M | 0.00% | −938,433−10.3% | Reduced |
| Vanguard Group Inc | 7,824,717 | $8.53M | 0.00% | +37,577+0.5% | Added |
| Polar Capital Holdings Plc | 7,500,000 | $8.18M | 0.06% | +7,500,000 | New |
| OrbiMed Advisors LLC | 7,133,515 | $7.78M | 0.17% | 00.0% | Unchanged |
| Tri Locum Partners LP | 6,247,500 | $6.81M | 2.19% | +2,147,557+52.4% | Added |
| Stonepine Capital Management, LLC | 5,273,685 | $5.75M | 1.91% | +668,422+14.5% | Added |
| Adage Capital Partners GP, L.L.C. | 4,276,315 | $4.66M | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 3,615,964 | $3.94M | 0.00% | −1,835,646−33.7% | Reduced |
| Perceptive Advisors LLC | 3,545,454 | $3.86M | 0.13% | 00.0% | Unchanged |
| AXA S.A. | 3,147,865 | $3.43M | 0.01% | −277,123−8.1% | Reduced |
| Geode Capital Management, LLC | 2,642,915 | $2.88M | 0.00% | +292,705+12.5% | Added |
| Sio Capital Management, LLC | 2,599,003 | $2.83M | 0.88% | +850,000+48.6% | Added |
| State Street Corp | 2,378,626 | $2.59M | 0.00% | +159,043+7.2% | Added |
| Armistice Capital, LLC | 2,356,000 | $2.57M | 0.08% | −620,000−20.8% | Reduced |
| Kingdon Capital Management, L.L.C. | 1,973,683 | $2.15M | 0.39% | 00.0% | Unchanged |
| Citadel Advisors LLC | 1,798,628 | $1.96M | 0.00% | −1,275,071−41.5% | Reduced |
| UBS Oconnor LLC | 1,559,986 | $1.70M | 0.03% | +1,109,986+246.7% | Added |
| Northern Trust Corp | 1,067,693 | $1.16M | 0.00% | +15,789+1.5% | Added |
| Parkman Healthcare Partners LLC | 800,000 | $872.0K | 0.16% | −2,966,593−78.8% | Reduced |
| Point72 Asset Management, L.P. | 650,000 | $708.5K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 621,587 | $678.0K | 0.06% | +621,587 | New |
| Schonfeld Strategic Advisors LLC | 586,042 | $638.8K | 0.01% | −397,658−40.4% | Reduced |
| Bank of New York Mellon Corp | 474,693 | $517.4K | 0.00% | −3,536−0.7% | Reduced |
| Nuveen Asset Management, LLC | 438,114 | $477.5K | 0.00% | 00.0% | Unchanged |
| Monashee Investment Management LLC | 427,265 | $465.7K | 0.19% | −145,519−25.4% | Reduced |
| Simplify Asset Management Inc. | 400,000 | $436.0K | 0.07% | 00.0% | Unchanged |
| Barclays PLC | 382,134 | $416.5K | 0.00% | +294,255+334.8% | Added |
| Bank of America Corp | 373,193 | $406.8K | 0.00% | +328,355+732.3% | Added |
| New Leaf Venture Partners, L.L.C. | 335,000 | $365.1K | 0.47% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 323,843 | $353.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 241,744 | $263.5K | 0.00% | +42,900+21.6% | Added |
| Group One Trading, L.P. | 226,361 | $246.7K | 0.01% | −99,561−30.5% | Reduced |
| Rhumbline Advisers | 160,370 | $174.8K | 0.00% | +6,448+4.2% | Added |
| UBS Group AG | 142,731 | $155.6K | 0.00% | +140,206+5,552.7% | Added |
| Royce & Associates LP | 119,006 | $129.7K | 0.00% | +65,516+122.5% | Added |
| Susquehanna International Group, LLP | 105,207 | $114.7K | 0.00% | −136,230−56.4% | Reduced |
| Verition Fund Management LLC | 88,395 | $96.4K | 0.00% | +88,395 | New |
| Invesco Ltd. | 81,029 | $88.3K | 0.00% | +9,471+13.2% | Added |
| Stifel Financial Corp | 80,278 | $87.5K | 0.00% | −1,037−1.3% | Reduced |
| JPMorgan Chase & Co | 79,805 | $87.0K | 0.00% | −15,658−16.4% | Reduced |
| MetLife Investment Management | 65,421 | $71.3K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 61,445 | $67.0K | 0.00% | +2,184+3.7% | Added |
| AQR Capital Management LLC | 61,289 | $66.8K | 0.00% | +61,289 | New |
| Deutsche Bank AG | 61,227 | $66.7K | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 55,296 | $60.3K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 51,968 | $56.6K | 0.00% | +1,368+2.7% | Added |
| Manufacturers Life Insurance Company, The | 51,592 | $56.2K | 0.00% | −98−0.2% | Reduced |
| Goldman Sachs Group Inc | 49,593 | $54.1K | 0.00% | −284,848−85.2% | Reduced |
| Voya Investment Management LLC | 49,260 | $53.7K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 46,645 | $50.8K | 0.00% | +14,518+45.2% | Added |
| Alliancebernstein L.P. | 45,680 | $49.8K | 0.00% | −19,720−30.2% | Reduced |
| CIBC Private Wealth Group, LLC | 45,000 | $49.0K | 0.00% | −45,000−50.0% | Reduced |
| Vontobel Holding Ltd. | 45,000 | $49.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 34,340 | $37.0K | 0.00% | +34,340 | New |
| Two Sigma Securities, LLC | 32,337 | $35.2K | 0.00% | +32,337 | New |
| The PNC Financial Services Group, Inc. | 30,350 | $33.1K | 0.00% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 30,315 | $33.0K | 0.00% | +5,165+20.5% | Added |
| Wells Fargo & Company | 27,628 | $30.1K | 0.00% | −21,422−43.7% | Reduced |
| Price T Rowe Associates Inc | 26,793 | $30.0K | 0.00% | +1,788+7.2% | Added |
| California State Teachers Retirement System | 27,167 | $29.6K | 0.00% | −13,789−33.7% | Reduced |
| Commonwealth Equity Services, LLC | 26,750 | $29.0K | 0.00% | +4,250+18.9% | Added |
| Private Advisor Group, LLC | 21,800 | $23.8K | 0.00% | +2,000+10.1% | Added |
| Royal Bank of Canada | 18,043 | $20.0K | 0.00% | +7,800+76.1% | Added |
| Bleichroeder LP | 17,865 | $19.5K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 16,327 | $17.8K | 0.00% | +2,523+18.3% | Added |
| LexAurum Advisors, LLC | 16,000 | $17.4K | 0.01% | 00.0% | Unchanged |
| ProShare Advisors LLC | 15,995 | $17.4K | 0.00% | −18−0.1% | Reduced |
| Amalgamated Bank | 15,321 | $17.0K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 8,520 | $17.0K | 0.00% | 00.0% | Unchanged |
| Grimes & Company, Inc. | 15,000 | $16.4K | 0.00% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 14,746 | $16.1K | 0.00% | +14,746 | New |
| Victory Capital Management Inc | 13,731 | $15.0K | 0.00% | +2,318+20.3% | Added |
| Jane Street Group, LLC | 13,367 | $14.6K | 0.00% | −345,692−96.3% | Reduced |
| Marshall Wace, LLP | 12,890 | $14.1K | 0.00% | −691,461−98.2% | Reduced |
| Simplex Trading, LLC | 13,280 | $14.0K | 0.00% | −213,286−94.1% | Reduced |
| Pathstone Family Office, LLC | 12,637 | $13.8K | 0.00% | +12,637 | New |
| Total Clarity Wealth Management, Inc. | 11,532 | $12.6K | 0.01% | −133,999−92.1% | Reduced |
| Legal & General Group Plc | 11,326 | $12.3K | 0.00% | −2,074−15.5% | Reduced |
| LPL Financial LLC | 10,500 | $11.4K | 0.00% | +10,500 | New |
| Tower Research Capital LLC (TRC) | 10,277 | $11.2K | 0.00% | +4,456+76.6% | Added |
| Ameritas Investment Partners, Inc. | 10,167 | $11.1K | 0.00% | 00.0% | Unchanged |
| 1620 Investment Advisors, Inc. | 10,000 | $10.9K | 0.01% | 00.0% | Unchanged |
| PEAK6 Investments LLC | 10,000 | $10.9K | 0.00% | +10,000 | New |
| Metropolitan Life Insurance Co | 6,779 | $7.39K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 4,200 | $4.58K | 0.00% | +2,100+100.0% | Added |
| Federation des caisses Desjardins du Quebec | 4,000 | $4.36K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 2,456 | $2.68K | 0.00% | +2,455+245,500.0% | Added |
| FMR LLC | 1,576 | $1.72K | 0.00% | −15,556−90.8% | Reduced |
| Citigroup Inc | 68 | $75 | 0.00% | −36,598−99.8% | Reduced |
| CVI Holdings, LLC | 0 | $0 | 0.00% | −2,300,315−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −567,801−100.0% | Sold out |
| Lynwood Capital Management Inc. | 0 | $0 | 0.00% | −525,000−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −472,533−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −349,133−100.0% | Sold out |
| Sassicaia Capital Advisers LLC | 0 | $0 | 0.00% | −138,000−100.0% | Sold out |
| AWM Investment Company, Inc. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −36,078−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −34,950−100.0% | Sold out |