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, Q4 2023
Institutional positions in X4 Pharmaceuticals, Inc as of Dec 31, 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
- 93
- +3 vs. Q3 2023
- Shares held
- 103.8M
- −8.58M (−7.6%) vs. Q3 2023
- Total value
- $87.1M
- −$35.5M (−29.0%) vs. Q3 2023
- New holders
- 17
- 30 more added
- Sold out
- 14
- 21 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 16,915,784 | $14.2M | 1.36% | +955,196+6.0% | Added |
| NEA Management Company, LLC | 14,986,793 | $12.6M | 0.84% | 00.0% | Unchanged |
| BlackRock Inc. | 8,417,524 | $7.06M | 0.00% | +260,683+3.2% | Added |
| Vanguard Group Inc | 8,008,865 | $6.72M | 0.00% | +184,148+2.4% | Added |
| OrbiMed Advisors LLC | 7,133,515 | $5.98M | 0.12% | 00.0% | Unchanged |
| Kingdon Capital Management, L.L.C. | 6,947,366 | $5.83M | 0.56% | +4,973,683+252.0% | Added |
| AXA S.A. | 6,147,064 | $5.15M | 0.01% | +2,999,199+95.3% | Added |
| Adage Capital Partners GP, L.L.C. | 4,276,315 | $3.59M | 0.01% | 00.0% | Unchanged |
| Sio Capital Management, LLC | 3,588,427 | $3.01M | 0.77% | +989,424+38.1% | Added |
| Perceptive Advisors LLC | 3,545,454 | $2.97M | 0.07% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 2,802,449 | $2.35M | 0.00% | +159,534+6.0% | Added |
| State Street Corp | 2,427,789 | $2.04M | 0.00% | +49,163+2.1% | Added |
| Armistice Capital, LLC | 1,936,000 | $1.62M | 0.04% | −420,000−17.8% | Reduced |
| UBS Oconnor LLC | 1,743,038 | $1.46M | 0.05% | +183,052+11.7% | Added |
| Citadel Advisors LLC | 1,728,065 | $1.45M | 0.00% | −70,563−3.9% | Reduced |
| Millennium Management LLC | 1,664,317 | $1.40M | 0.00% | −1,951,647−54.0% | Reduced |
| Northern Trust Corp | 1,062,985 | $891.3K | 0.00% | −4,708−0.4% | Reduced |
| Gsa Capital Partners LLP | 945,171 | $793.0K | 0.07% | +323,584+52.1% | Added |
| Morgan Stanley | 802,748 | $673.1K | 0.00% | +561,004+232.1% | Added |
| Parkman Healthcare Partners LLC | 767,332 | $643.4K | 0.09% | −32,668−4.1% | Reduced |
| Point72 Asset Management, L.P. | 650,000 | $545.0K | 0.00% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 549,300 | $460.6K | 0.00% | −36,742−6.3% | Reduced |
| Propel Bio Management, LLC | 535,000 | $448.6K | 0.37% | +535,000 | New |
| Barclays PLC | 529,601 | $444.1K | 0.00% | +147,467+38.6% | Added |
| Nuveen Asset Management, LLC | 438,114 | $367.4K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 402,921 | $337.8K | 0.00% | +297,714+283.0% | Added |
| Simplify Asset Management Inc. | 400,000 | $335.4K | 0.05% | 00.0% | Unchanged |
| Royce & Associates LP | 388,363 | $325.6K | 0.00% | +269,357+226.3% | Added |
| Bank of New York Mellon Corp | 345,954 | $290.1K | 0.00% | −128,739−27.1% | Reduced |
| New Leaf Venture Partners, L.L.C. | 335,000 | $281.4K | 0.23% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 323,843 | $271.5K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 283,544 | $237.8K | 0.00% | +236,899+507.9% | Added |
| Bank of America Corp | 212,888 | $178.4K | 0.00% | −160,305−43.0% | Reduced |
| Acadian Asset Management LLC | 181,609 | $152.0K | 0.00% | +181,609 | New |
| AQR Capital Management LLC | 164,342 | $137.8K | 0.00% | +103,053+168.1% | Added |
| Rhumbline Advisers | 160,370 | $134.5K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 159,610 | $133.8K | 0.00% | +79,805+100.0% | Added |
| Jane Street Group, LLC | 129,274 | $108.4K | 0.00% | +115,907+867.1% | Added |
| Virtu Financial LLC | 127,718 | $107.0K | 0.01% | +127,718 | New |
| Knott David M Jr | 119,300 | $100.0K | 0.04% | +119,300 | New |
| Invesco Ltd. | 96,426 | $80.9K | 0.00% | +15,397+19.0% | Added |
| Stifel Financial Corp | 90,452 | $75.8K | 0.00% | +10,174+12.7% | Added |
| Amundi | 81,305 | $66.8K | 0.00% | +81,305 | New |
| Goldman Sachs Group Inc | 72,788 | $61.0K | 0.00% | +23,195+46.8% | Added |
| Group One Trading, L.P. | 70,764 | $59.3K | 0.00% | −155,597−68.7% | Reduced |
| XTX Topco Ltd | 69,086 | $57.9K | 0.01% | +69,086 | New |
| Squarepoint Ops LLC | 64,763 | $54.3K | 0.00% | +64,763 | New |
| American International Group, Inc. | 61,198 | $51.3K | 0.00% | −247−0.4% | Reduced |
| Dimensional Fund Advisors LP | 55,296 | $46.4K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 51,551 | $43.2K | 0.00% | −417−0.8% | Reduced |
| Voya Investment Management LLC | 49,260 | $41.3K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 47,668 | $40.0K | 0.00% | +13,328+38.8% | Added |
| Alliancebernstein L.P. | 45,680 | $38.3K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 45,000 | $37.7K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 45,000 | $37.7K | 0.00% | 00.0% | Unchanged |
| Bayesian Capital Management, LP | 39,400 | $33.0K | 0.00% | +39,400 | New |
| Royal Bank of Canada | 39,321 | $33.0K | 0.00% | +21,278+117.9% | Added |
| Wells Fargo & Company | 35,024 | $29.4K | 0.00% | +7,396+26.8% | Added |
| State Board of Administration of Florida Retirement System | 31,979 | $26.8K | 0.00% | +31,979 | New |
| The PNC Financial Services Group, Inc. | 30,158 | $25.3K | 0.00% | −192−0.6% | Reduced |
| Walleye Capital LLC | 29,616 | $24.8K | 0.00% | +29,616 | New |
| Price T Rowe Associates Inc | 26,793 | $23.0K | 0.00% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 25,801 | $21.6K | 0.00% | −4,514−14.9% | Reduced |
| Commonwealth Equity Services, LLC | 25,100 | $21.0K | 0.00% | −1,650−6.2% | Reduced |
| Private Advisor Group, LLC | 21,800 | $18.3K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 20,378 | $17.1K | 0.00% | +4,383+27.4% | Added |
| California State Teachers Retirement System | 20,265 | $17.0K | 0.00% | −6,902−25.4% | Reduced |
| Bleichroeder LP | 17,865 | $15.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 17,630 | $14.8K | 0.00% | +17,562+25,826.5% | Added |
| Victory Capital Management Inc | 17,079 | $14.3K | 0.00% | +3,348+24.4% | Added |
| HRT Financial LP | 17,084 | $14.0K | 0.00% | +17,084 | New |
| Principal Financial Group Inc | 16,626 | $13.9K | 0.00% | +299+1.8% | Added |
| LexAurum Advisors, LLC | 16,000 | $13.4K | 0.00% | 00.0% | Unchanged |
| Grimes & Company, Inc. | 15,000 | $12.6K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 14,086 | $12.0K | 0.00% | −1,235−8.1% | Reduced |
| Pathstone Holdings, LLC | 12,637 | $10.6K | 0.00% | +12,637 | New |
| Tower Research Capital LLC (TRC) | 12,338 | $10.4K | 0.00% | +2,061+20.1% | Added |
| StoneX Group Inc. | 11,751 | $9.85K | 0.00% | +11,751 | New |
| LPL Financial LLC | 11,500 | $9.64K | 0.00% | +1,000+9.5% | Added |
| Legal & General Group Plc | 11,326 | $9.50K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 8,520 | $9.00K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 10,167 | $8.53K | 0.00% | 00.0% | Unchanged |
| PEAK6 Investments LLC | 10,000 | $8.38K | 0.00% | 00.0% | Unchanged |
| Mission Wealth Management, LP | 10,000 | $8.38K | 0.00% | +10,000 | New |
| Lazari Capital Management, Inc. | 10,000 | $8.38K | 0.00% | +10,000 | New |
| Federation des caisses Desjardins du Quebec | 4,000 | $3.36K | 0.00% | 00.0% | Unchanged |
| ICA Group Wealth Management, LLC | 2,575 | $2.16K | 0.00% | +2,575 | New |
| Clearstead Advisors, LLC | 2,100 | $1.76K | 0.00% | −2,100−50.0% | Reduced |
| Cubist Systematic Strategies, LLC | 1,612 | $1.35K | 0.00% | −844−34.4% | Reduced |
| UBS Group AG | 1,225 | $1.03K | 0.00% | −141,506−99.1% | Reduced |
| Raelipskie Partnership | 1,000 | $839 | 0.00% | +1,000 | New |
| FMR LLC | 739 | $620 | 0.00% | −837−53.1% | Reduced |
| Simplex Trading, LLC | 962 | $0 | 0.00% | −12,318−92.8% | Reduced |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −7,500,000−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −6,247,500−100.0% | Sold out |
| Stonepine Capital Management, LLC | 0 | $0 | 0.00% | −5,273,685−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −427,265−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −88,395−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −65,421−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −61,227−100.0% | Sold out |