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 $463.0M 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
- 96.8M
- −15.6M (−13.9%) vs. Q3 2023
- Total value
- $81.2M
- −$41.4M (−33.8%) vs. Q3 2023
- New holders
- 17
- 28 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 | $463.0M |
| Q1 2026 | 84 | $388.1M |
| Q4 2025 | 79 | $357.7M |
| Q3 2025 | 42 | $55.3M |
| Q2 2025 | 52 | $5.33M |
| Q1 2025 | 94 | $23.3M |
| Q4 2024 | 90 | $73.2M |
| Q3 2024 | 98 | $67.3M |
| Q2 2024 | 99 | $58.9M |
| Q1 2024 | 98 | $143.2M |
| Q4 2023 | 93 | $81.2M |
| Q3 2023 | 91 | $122.6M |
| Q2 2023 | 96 | $219.1M |
| Q1 2023 | 59 | $53.6M |
| Q4 2022 | 54 | $60.2M |
| Q3 2022 | 59 | $66.9M |
| Q2 2022 | 51 | $15.5M |
| Q1 2022 | 56 | $28.6M |
| Q4 2021 | 52 | $40.2M |
| Q3 2021 | 52 | $85.7M |
| Q2 2021 | 63 | $107.8M |
| Q1 2021 | 61 | $138.7M |
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 |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 962 | $0 | 0.00% | −12,318−92.8% | Reduced |
| FMR LLC | 739 | $620 | 0.00% | −837−53.1% | Reduced |
| Raelipskie Partnership | 1,000 | $839 | 0.00% | +1,000 | New |
| UBS Group AG | 1,225 | $1.03K | 0.00% | −141,506−99.1% | Reduced |
| Cubist Systematic Strategies, LLC | 1,612 | $1.35K | 0.00% | −844−34.4% | Reduced |
| Clearstead Advisors, LLC | 2,100 | $1.76K | 0.00% | 00.0% | Unchanged |
| ICA Group Wealth Management, LLC | 2,575 | $2.16K | 0.00% | +2,575 | New |
| Federation des caisses Desjardins du Quebec | 4,000 | $3.36K | 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 |
| Ameritas Investment Partners, Inc. | 10,167 | $8.53K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 8,520 | $9.00K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 11,326 | $9.50K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 11,500 | $9.64K | 0.00% | +1,000+9.5% | Added |
| StoneX Group Inc. | 11,751 | $9.85K | 0.00% | +11,751 | New |
| Tower Research Capital LLC (TRC) | 12,338 | $10.4K | 0.00% | +2,061+20.1% | Added |
| Pathstone Holdings, LLC | 12,637 | $10.6K | 0.00% | +12,637 | New |
| Amalgamated Bank | 14,086 | $12.0K | 0.00% | −1,235−8.1% | Reduced |
| Grimes & Company, Inc. | 15,000 | $12.6K | 0.00% | 00.0% | Unchanged |
| LexAurum Advisors, LLC | 16,000 | $13.4K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 16,626 | $13.9K | 0.00% | +299+1.8% | Added |
| HRT Financial LP | 17,084 | $14.0K | 0.00% | +17,084 | New |
| Victory Capital Management Inc | 17,079 | $14.3K | 0.00% | +3,348+24.4% | Added |
| Citigroup Inc | 17,630 | $14.8K | 0.00% | +17,562+25,826.5% | Added |
| Bleichroeder LP | 17,865 | $15.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 20,265 | $17.0K | 0.00% | −6,902−25.4% | Reduced |
| ProShare Advisors LLC | 20,378 | $17.1K | 0.00% | +4,383+27.4% | Added |
| Private Advisor Group, LLC | 21,800 | $18.3K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 25,100 | $21.0K | 0.00% | −1,650−6.2% | Reduced |
| Resources Investment Advisors, LLC. | 25,801 | $21.6K | 0.00% | −4,514−14.9% | Reduced |
| Price T Rowe Associates Inc | 26,793 | $23.0K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 29,616 | $24.8K | 0.00% | +29,616 | New |
| The PNC Financial Services Group, Inc. | 30,158 | $25.3K | 0.00% | −192−0.6% | Reduced |
| State Board of Administration of Florida Retirement System | 31,979 | $26.8K | 0.00% | +31,979 | New |
| Wells Fargo & Company | 35,024 | $29.4K | 0.00% | +7,396+26.8% | Added |
| Royal Bank of Canada | 39,321 | $33.0K | 0.00% | +21,278+117.9% | Added |
| Bayesian Capital Management, LP | 39,400 | $33.0K | 0.00% | +39,400 | New |
| 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 |
| Alliancebernstein L.P. | 45,680 | $38.3K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 47,668 | $40.0K | 0.00% | +13,328+38.8% | Added |
| Voya Investment Management LLC | 49,260 | $41.3K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 51,551 | $43.2K | 0.00% | −417−0.8% | Reduced |
| Dimensional Fund Advisors LP | 55,296 | $46.4K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 61,198 | $51.3K | 0.00% | −247−0.4% | Reduced |
| Squarepoint Ops LLC | 64,763 | $54.3K | 0.00% | +64,763 | New |
| XTX Topco Ltd | 69,086 | $57.9K | 0.01% | +69,086 | New |
| Group One Trading, L.P. | 70,764 | $59.3K | 0.00% | −155,597−68.7% | Reduced |
| Goldman Sachs Group Inc | 72,788 | $61.0K | 0.00% | +23,195+46.8% | Added |
| Amundi | 81,305 | $66.8K | 0.00% | +81,305 | New |
| JPMorgan Chase & Co | 79,805 | $66.9K | 0.00% | 00.0% | Unchanged |
| Stifel Financial Corp | 90,452 | $75.8K | 0.00% | +10,174+12.7% | Added |
| Invesco Ltd. | 96,426 | $80.9K | 0.00% | +15,397+19.0% | Added |
| Knott David M Jr | 119,300 | $100.0K | 0.04% | +119,300 | New |
| Virtu Financial LLC | 127,718 | $107.0K | 0.01% | +127,718 | New |
| Jane Street Group, LLC | 129,274 | $108.4K | 0.00% | +115,907+867.1% | Added |
| Rhumbline Advisers | 160,370 | $134.5K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 164,342 | $137.8K | 0.00% | +103,053+168.1% | Added |
| Acadian Asset Management LLC | 181,609 | $152.0K | 0.00% | +181,609 | New |
| Bank of America Corp | 212,888 | $178.4K | 0.00% | −160,305−43.0% | Reduced |
| BNP Paribas Arbitrage, SA | 283,544 | $237.8K | 0.00% | +236,899+507.9% | Added |
| Charles Schwab Investment Management Inc | 323,843 | $271.5K | 0.00% | 00.0% | Unchanged |
| New Leaf Venture Partners, L.L.C. | 335,000 | $281.4K | 0.23% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 345,954 | $290.1K | 0.00% | −128,739−27.1% | Reduced |
| Royce & Associates LP | 388,363 | $325.6K | 0.00% | +269,357+226.3% | Added |
| Simplify Asset Management Inc. | 400,000 | $335.4K | 0.05% | 00.0% | Unchanged |
| Morgan Stanley | 401,374 | $336.6K | 0.00% | +159,630+66.0% | Added |
| Susquehanna International Group, LLP | 402,921 | $337.8K | 0.00% | +297,714+283.0% | Added |
| Nuveen Asset Management, LLC | 438,114 | $367.4K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 529,601 | $444.1K | 0.00% | +147,467+38.6% | Added |
| Propel Bio Management, LLC | 535,000 | $448.6K | 0.37% | +535,000 | New |
| Schonfeld Strategic Advisors LLC | 549,300 | $460.6K | 0.00% | −36,742−6.3% | Reduced |
| Point72 Asset Management, L.P. | 650,000 | $545.0K | 0.00% | 00.0% | Unchanged |
| Parkman Healthcare Partners LLC | 767,332 | $643.4K | 0.09% | −32,668−4.1% | Reduced |
| Gsa Capital Partners LLP | 945,171 | $793.0K | 0.07% | +323,584+52.1% | Added |
| Northern Trust Corp | 1,062,985 | $891.3K | 0.00% | −4,708−0.4% | Reduced |
| Millennium Management LLC | 1,664,317 | $1.40M | 0.00% | −1,951,647−54.0% | Reduced |
| Citadel Advisors LLC | 1,728,065 | $1.45M | 0.00% | −70,563−3.9% | Reduced |
| UBS Oconnor LLC | 1,743,038 | $1.46M | 0.05% | +183,052+11.7% | Added |
| Armistice Capital, LLC | 1,936,000 | $1.62M | 0.04% | −420,000−17.8% | Reduced |
| State Street Corp | 2,427,789 | $2.04M | 0.00% | +49,163+2.1% | Added |
| Geode Capital Management, LLC | 2,802,449 | $2.35M | 0.00% | +159,534+6.0% | Added |
| AXA S.A. | 3,073,532 | $2.58M | 0.01% | −74,333−2.4% | Reduced |
| Kingdon Capital Management, L.L.C. | 3,473,683 | $2.91M | 0.55% | +1,500,000+76.0% | Added |
| Perceptive Advisors LLC | 3,545,454 | $2.97M | 0.07% | 00.0% | Unchanged |
| Sio Capital Management, LLC | 3,588,427 | $3.01M | 0.77% | +989,424+38.1% | Added |
| Adage Capital Partners GP, L.L.C. | 4,276,315 | $3.59M | 0.01% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 7,133,515 | $5.98M | 0.12% | 00.0% | Unchanged |
| Vanguard Group Inc | 8,008,865 | $6.72M | 0.00% | +184,148+2.4% | Added |
| BlackRock Inc. | 8,417,524 | $7.06M | 0.00% | +260,683+3.2% | Added |
| NEA Management Company, LLC | 14,986,793 | $12.6M | 0.84% | 00.0% | Unchanged |
| Bain Capital Life Sciences Investors, LLC | 16,915,784 | $14.2M | 1.36% | +955,196+6.0% | Added |
| 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 |