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, Q2 2021
Institutional positions in X4 Pharmaceuticals, Inc as of Jun 30, 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
- 63
- +2 vs. Q1 2021
- Shares held
- 16.6M
- +460.2K (+2.9%) vs. Q1 2021
- Total value
- $107.8M
- −$30.9M (−22.3%) vs. Q1 2021
- New holders
- 19
- 8 more added
- Sold out
- 17
- 18 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding X4 Pharmaceuticals, Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citigroup Inc | 25 | $0 | 0.00% | −1,043−97.7% | Reduced |
| Harbour Investments, Inc. | 10 | $0 | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 53 | $0 | 0.00% | +53 | New |
| New York State Common Retirement Fund | 134 | $1.00K | 0.00% | −6,767−98.1% | Reduced |
| Wells Fargo & Company | 132 | $1.00K | 0.00% | −5,447−97.6% | Reduced |
| UBS Group AG | 122 | $1.00K | 0.00% | −3,868−96.9% | Reduced |
| Clearstead Advisors, LLC | 100 | $1.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 400 | $3.00K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 462 | $3.00K | 0.00% | −5,147−91.8% | Reduced |
| Panagora Asset Management Inc | 1,060 | $7.00K | 0.00% | −13,027−92.5% | Reduced |
| Royal Bank of Canada | 2,064 | $13.0K | 0.00% | +340+19.7% | Added |
| LMR Partners LLP | 10,152 | $66.0K | 0.00% | +10,152 | New |
| The PNC Financial Services Group, Inc. | 10,350 | $67.0K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 10,242 | $67.0K | 0.00% | +7,118+227.8% | Added |
| Cubist Systematic Strategies, LLC | 13,135 | $85.0K | 0.00% | +13,135 | New |
| Tower Research Capital LLC (TRC) | 13,231 | $86.0K | 0.00% | +10,208+337.7% | Added |
| Marshall Wace, LLP | 13,709 | $89.0K | 0.00% | +13,709 | New |
| Minot Wealth Management LLC | 17,000 | $103.0K | 0.02% | +17,000 | New |
| Barclays PLC | 16,410 | $107.0K | 0.00% | −4,835−22.8% | Reduced |
| Alpine Global Management, LLC | 16,877 | $110.0K | 0.01% | +16,877 | New |
| Squarepoint Ops LLC | 20,638 | $134.0K | 0.00% | −440−2.1% | Reduced |
| Engineers Gate Manager LP | 21,814 | $142.0K | 0.01% | +21,814 | New |
| Bank of America Corp | 22,518 | $147.0K | 0.00% | −9,185−29.0% | Reduced |
| Trexquant Investment LP | 25,287 | $164.0K | 0.01% | +25,287 | New |
| Ensign Peak Advisors, Inc | 28,593 | $186.0K | 0.00% | 00.0% | Unchanged |
| Bleichroeder LP | 35,730 | $232.0K | 0.04% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 38,900 | $253.0K | 0.00% | +38,900 | New |
| Citadel Advisors LLC | 47,073 | $306.0K | 0.00% | +47,073 | New |
| JPMorgan Chase & Co | 47,334 | $308.0K | 0.00% | +1,309+2.8% | Added |
| State Street Corp | 48,480 | $315.0K | 0.00% | −228,360−82.5% | Reduced |
| Tibra Equities Europe Ltd | 48,400 | $315.0K | 0.10% | +48,400 | New |
| HRT Financial LP | 50,490 | $328.0K | 0.00% | +50,490 | New |
| Goldman Sachs Group Inc | 54,007 | $351.0K | 0.00% | −29,030−35.0% | Reduced |
| ExodusPoint Capital Management, LP | 56,893 | $370.0K | 0.01% | +56,893 | New |
| Northern Trust Corp | 68,563 | $446.0K | 0.00% | −111,819−62.0% | Reduced |
| Ergoteles LLC | 69,800 | $454.0K | 0.01% | +69,800 | New |
| Endurant Capital Management LP | 70,969 | $461.0K | 0.13% | −81,027−53.3% | Reduced |
| Jane Street Group, LLC | 71,670 | $466.0K | 0.00% | +71,670 | New |
| Prosight Management, LP | 87,813 | $571.0K | 0.36% | +87,813 | New |
| Cormorant Asset Management, LP | 103,980 | $676.0K | 0.03% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 125,297 | $814.0K | 0.00% | +77,987+164.8% | Added |
| Renaissance Technologies LLC | 130,694 | $850.0K | 0.00% | −25,350−16.2% | Reduced |
| Geode Capital Management, LLC | 161,917 | $1.05M | 0.00% | −96,248−37.3% | Reduced |
| Hudson Bay Capital Management LP | 172,413 | $1.08M | 0.01% | 00.0% | Unchanged |
| FMR LLC | 212,620 | $1.38M | 0.00% | 00.0% | Unchanged |
| Abingworth LLP | 229,885 | $1.49M | 0.46% | 00.0% | Unchanged |
| BlackRock Inc. | 263,290 | $1.71M | 0.00% | −828,463−75.9% | Reduced |
| Polaris Venture Management Co. V, L.L.C. | 311,492 | $2.02M | 3.24% | 00.0% | Unchanged |
| SV Health Investors, LLC | 311,490 | $2.02M | 0.88% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 328,209 | $2.13M | 0.09% | +19,648+6.4% | Added |
| Worth Venture Partners, LLC | 334,684 | $2.17M | 0.81% | +334,684 | New |
| New Leaf Venture Partners, L.L.C. | 335,000 | $2.18M | 0.72% | 00.0% | Unchanged |
| Millennium Management LLC | 386,007 | $2.51M | 0.00% | +386,007 | New |
| AXA S.A. | 568,416 | $3.69M | 0.01% | −431−0.1% | Reduced |
| Monashee Investment Management LLC | 574,712 | $3.74M | 0.45% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 795,312 | $5.17M | 0.07% | 00.0% | Unchanged |
| Sio Capital Management, LLC | 804,597 | $5.23M | 1.42% | 00.0% | Unchanged |
| BVF Inc | 847,879 | $5.51M | 0.21% | −243,700−22.3% | Reduced |
| Vanguard Group Inc | 897,641 | $5.83M | 0.00% | +161,039+21.9% | Added |
| OrbiMed Advisors LLC | 1,373,849 | $8.93M | 0.09% | 00.0% | Unchanged |
| AIGH Capital Management LLC | 1,438,899 | $9.35M | 2.54% | +1,438,899 | New |
| Bain Capital Life Sciences Investors, LLC | 2,119,540 | $13.8M | 0.90% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 2,719,290 | $17.7M | 3.16% | +104,302+4.0% | Added |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −536,962−100.0% | Sold out |
| Nuveen Asset Management, LLC | 0 | $0 | 0.00% | −80,113−100.0% | Sold out |
| Affinity Asset Advisors, LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| DAFNA Capital Management LLC | 0 | $0 | 0.00% | −69,912−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −54,365−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −41,673−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −32,500−100.0% | Sold out |
| California State Teachers Retirement System | 0 | $0 | 0.00% | −24,681−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −20,633−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −10,565−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −10,439−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −9,370−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −6,786−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −1,423−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −987−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −477−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −300−100.0% | Sold out |