Institutional Ownership
Waystar Hldg Corp
CUSIP 946784105COMWAYQ1 2026
13D / 13G Filings
18
Schedule 13D/13G on record
Beneficial Filers
8
Distinct reporting persons
Largest Stake
28.3%
Max % of class reported
Institutional Holders
297
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
18 filings · latest Feb 5, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 5, 2026 | Fmr LLC | 13G | 7.3% | 13.95M | SEC |
| 2 | Nov 14, 2025 | Bcpe Derby Investor, LP | 13G/A | 5.9% | 11.33M | SEC |
| 3 | Nov 13, 2025 | Canada Pension Plan Investment Board | 13G/A | 9.9% | 19.03M | SEC |
| 4 | Nov 7, 2025 | Derby Luxco S.A R.L. | 13G/A | 14.2% | 24.88M | SEC |
| 5 | Oct 31, 2025 | The Vanguard Group | 13G/A | 7.0% | 12.29M | SEC |
| 6 | Oct 17, 2025 | Blackrock, Inc. | 13G | 9.1% | 15.93M | SEC |
| 7 | Oct 3, 2025 | Advent International, L.P. | 13D | 5.8% | — | SEC |
| 8 | Aug 14, 2025 | Canada Pension Plan Investment Board | 13G/A | 14.3% | 24.96M | SEC |
| 9 | Aug 14, 2025 | Bcpe Derby Investor, LP | 13G/A | 8.9% | 15.45M | SEC |
| 10 | Aug 8, 2025 | Derby Luxco S.A R.L. | 13G/A | 18.7% | 32.65M | SEC |
8 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Waystar Hldg Corp.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Eqt Fund Management S.A R.L. | 24.88M | $599.84M |
| 2 | Canada Pension Plan Investment Board | 19.03M | $458.70M |
| 3 | Blackrock, Inc. | 16.67M | $401.81M |
| 4 | Fmr LLC | 14.96M | $360.74M |
| 5 | Bain Capital Investors LLC | 13.24M | $319.30M |
| 6 | Advent International, L.P. | 11.06M | $266.65M |
| 7 | Neuberger Berman Group LLC | 4.67M | $112.62M |
| 8 | Goldentree Asset Management LP | 4.44M | $106.98M |
| 9 | Artisan Partners Limited Partnership | 4.41M | $106.29M |
| 10 | State Street Corp | 4.29M | $103.41M |