X4 PHARMACEUTICALS INC COM NEW is a security (CUSIP 98420X202) tracked across SEC portfolio filings. 86 institutional managers reported $372.6M on Form 13F as of 2026-06-30; 4 registered fund positions totaling $4.2M via N-PORT as of 2026-03-31.
Showing 15 of 86 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| MORGAN STANLEY | NEW YORK, NY | $39.1M | 9,466,992 |
| Empery Asset Management, LP | New York, NY | $36.9M | 8,944,118 |
| FMR LLC | BOSTON, MA | $33.5M | 8,103,400 |
| Bain Capital Life Sciences Investors, LLC | Boston, MA | $32.9M | 7,967,454 |
| PERCEPTIVE ADVISORS LLC | NEW YORK, NY | $27.8M | 6,737,648 |
| Saturn V Capital Management LP | AUSTIN, TX | $26.7M | 6,456,646 |
| Deep Track Capital, LP | GREENWICH, CT | $26.2M | 6,339,535 |
| Kalehua Capital Management LLC | DALLAS, TX | $15.4M | 3,722,840 |
| VANGUARD GROUP INC | Valley Forge, PA | $13.7M | 3,423,662 |
| BRAIDWELL LP | STAMFORD, CT | $13.5M | 3,272,954 |
| Rosalind Advisors, Inc. | TORONTO, A6 | $13.3M | 3,214,766 |
| Blackstone Inc. | NEW YORK, NY | $11.1M | 2,681,922 |
| Trails Edge Capital Partners, LP | ATLANTA, GA | $10.6M | 2,571,478 |
| Nantahala Capital Management, LLC | New Canaan, CT | $10.1M | 2,449,468 |
| BVF INC/IL | San Francisco, CA | $9.2M | 2,233,742 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $3.8M | 0.47% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $201K | 0.03% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $175K | 0.06% |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $-6K | -0.02% |