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 2021
Institutional positions in X4 Pharmaceuticals, Inc as of Dec 31, 2021. 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
- +2 vs. Q3 2021
- Shares held
- 17.6M
- +1.70M (+10.7%) vs. Q3 2021
- Total value
- $40.2M
- −$43.7M (−52.1%) vs. Q3 2021
- New holders
- 13
- 12 more added
- Sold out
- 11
- 14 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wells Fargo & Company | 125 | $0 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 203 | $0 | 0.00% | +203 | New |
| BNP Paribas Arbitrage, SA | 278 | $637 | 0.00% | −17−5.8% | Reduced |
| Advisor Group Holdings, Inc. | 400 | $1.00K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 668 | $2.00K | 0.00% | +668 | New |
| Rockefeller Capital Management L.P. | 1,000 | $2.00K | 0.00% | +1,000 | New |
| High Net Worth Advisory Group LLC | 1,100 | $3.00K | 0.00% | +1,100 | New |
| Clearstead Advisors, LLC | 2,100 | $5.00K | 0.00% | +2,000+2,000.0% | Added |
| Simplex Trading, LLC | 5,309 | $12.0K | 0.00% | +5,256+9,917.0% | Added |
| American Portfolios Advisors | 6,250 | $14.3K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 7,804 | $18.0K | 0.00% | −2,095−21.2% | Reduced |
| Bank of America Corp | 9,406 | $22.0K | 0.00% | −7,776−45.3% | Reduced |
| Moody Lynn & Lieberson, LLC | 10,000 | $23.0K | 0.00% | +10,000 | New |
| Mayflower Financial Advisors, LLC | 10,000 | $23.0K | 0.00% | +10,000 | New |
| The PNC Financial Services Group, Inc. | 10,350 | $24.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 12,058 | $27.0K | 0.00% | +3,258+37.0% | Added |
| Engineers Gate Manager LP | 11,874 | $27.0K | 0.00% | +11,874 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 12,786 | $29.0K | 0.00% | +12,786 | New |
| Group One Trading, L.P. | 13,750 | $31.0K | 0.00% | +11,667+560.1% | Added |
| XTX Topco Ltd | 19,938 | $46.0K | 0.03% | +19,938 | New |
| Goldman Sachs Group Inc | 20,949 | $48.0K | 0.00% | +10,474+100.0% | Added |
| Norges Bank | 27,700 | $63.0K | 0.00% | 00.0% | Unchanged |
| Bleichroeder LP | 35,730 | $82.0K | 0.01% | 00.0% | Unchanged |
| State Street Corp | 48,480 | $111.0K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 53,031 | $121.0K | 0.00% | −99,800−65.3% | Reduced |
| Acadian Asset Management LLC | 57,270 | $130.0K | 0.00% | +57,270 | New |
| Marshall Wace, LLP | 60,479 | $139.0K | 0.00% | +35,256+139.8% | Added |
| Dimensional Fund Advisors LP | 66,170 | $152.0K | 0.00% | −7,325−10.0% | Reduced |
| Northern Trust Corp | 67,504 | $155.0K | 0.00% | −355−0.5% | Reduced |
| Citadel Advisors LLC | 77,700 | $178.0K | 0.00% | +43,768+129.0% | Added |
| Susquehanna International Group, LLP | 78,271 | $179.0K | 0.00% | −59,760−43.3% | Reduced |
| Cormorant Asset Management, LP | 103,980 | $238.0K | 0.01% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 131,501 | $301.0K | 0.01% | +131,501 | New |
| Renaissance Technologies LLC | 137,294 | $314.0K | 0.00% | +16,900+14.0% | Added |
| Ensign Peak Advisors, Inc | 176,530 | $404.0K | 0.00% | +147,937+517.4% | Added |
| Geode Capital Management, LLC | 178,060 | $407.0K | 0.00% | 00.0% | Unchanged |
| Millennium Management LLC | 202,483 | $464.0K | 0.00% | −64,885−24.3% | Reduced |
| Boothbay Fund Management, LLC | 238,566 | $546.0K | 0.02% | −29,016−10.8% | Reduced |
| BlackRock Inc. | 274,548 | $628.0K | 0.00% | +6,098+2.3% | Added |
| Sio Capital Management, LLC | 276,909 | $634.0K | 0.19% | −527,688−65.6% | Reduced |
| SV Health Investors, LLC | 311,490 | $713.0K | 0.46% | 00.0% | Unchanged |
| New Leaf Venture Partners, L.L.C. | 335,000 | $767.0K | 0.28% | 00.0% | Unchanged |
| Worth Venture Partners, LLC | 340,495 | $780.0K | 0.39% | −45,980−11.9% | Reduced |
| BVF Inc | 847,879 | $1.94M | 0.07% | 00.0% | Unchanged |
| Vanguard Group Inc | 933,240 | $2.14M | 0.00% | −1,112−0.1% | Reduced |
| AXA S.A. | 1,151,819 | $2.64M | 0.01% | +561,550+95.1% | Added |
| OrbiMed Advisors LLC | 1,373,849 | $3.15M | 0.04% | 00.0% | Unchanged |
| AIGH Capital Management LLC | 1,464,099 | $3.35M | 1.05% | −200,441−12.0% | Reduced |
| Tri Locum Partners LP | 1,578,947 | $3.62M | 1.45% | +1,578,947 | New |
| Point72 Asset Management, L.P. | 1,633,204 | $3.74M | 0.02% | +1,633,204 | New |
| Ikarian Capital, LLC | 2,264,491 | $5.19M | 1.48% | −275,426−10.8% | Reduced |
| Bain Capital Life Sciences Investors, LLC | 2,886,542 | $6.61M | 0.52% | +767,002+36.2% | Added |
| Altium Capital Management LP | 0 | $0 | 0.00% | −804,598−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −561,421−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −505,752−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −68,938−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −45,893−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −34,719−100.0% | Sold out |
| Minot Wealth Management LLC | 0 | $0 | 0.00% | −17,000−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −16,625−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −1,250−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Polaris Venture Management Co. V, L.L.C. | – | – | – | – | Not filed |
| Marshall Wace North America L.P. | – | – | – | – | Not filed |