X4 Pharmaceuticals, Inc (XFOR) Institutional Ownership & Insider Trading
89 institutions reported holding X4 Pharmaceuticals, Inc shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 7 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 321.2M
- P/E TTM
- —
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 3 Nov, in 10 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters89 institutions held —% of the shares. Across filers that reported both quarters, shares held changed +7.0%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 89 | 105 | +7.0% | 24 | 32 | 12 | 25 |
| Mar 26 | 83 | 98 | +10.1% | 23 | 14 | 19 | 10 |
| Dec 25 | 79 | 89 | +359.1% | 17 | 38 | 8 | 4 |
| Sep 25 | 42 | 16 | +475.6% | 12 | 10 | 9 | 20 |
| Jun 25 | 51 | 3 | — | — | — | — | — |
| Mar 25 | 2 | 0 | — | — | — | — | — |
| Dec 24 | 89 | 100 | -7.9% | 22 | 11 | 20 | 20 |
| Sep 24 | 98 | 101 | -1.9% | 32 | 9 | 17 | 10 |
X4 Pharmaceuticals, Inc — questions
- Who owns X4 Pharmaceuticals, Inc stock?
- 89 institutions reported X4 Pharmaceuticals, Inc shares in 13F filings for the quarter ended 2026-06-30. The largest: MORGAN STANLEY (9.5%), FMR LLC (8.4%), Bain Capital Life Sciences Investors, LLC (8.0%).
- Are X4 Pharmaceuticals, Inc insiders buying or selling?
- 7 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from X4 Pharmaceuticals, Inc's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.