VIKING GLOBAL INVESTORS LP
Ten-percent owner · INBX, BBIO
As of 2026-09-16, VIKING GLOBAL INVESTORS LP has 5 Form 4 transactions on record across 2 companies — 3 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2025-10-07 | INBX | Sale | 308,643 @ $32.25 | $10.0M | −19.6% of holding | 1,267,823 | Form 4 |
| 2025-10-07 | INBX | Sale | 25,042 @ $32.25 | $808K | −19.6% of holding | 102,864 | Form 4 |
| 2025-10-07 | INBX | Sale | 16,315 @ $32.25 | $526K | −19.6% of holding | 67,018 | Form 4 |
| 2025-06-27 | BBIO | Sale | 3,500,000 @ $44.00 | $154.0M | −15.9% of holding | 18,555,375 | Form 4 |
| 2025-01-31 | BBIO | Sale | 3,065,616 @ $34.90 | $107.0M | −12.2% of holding | 22,055,375 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.