Waystar Holding Corp. (WAY) ownership: Top institutional holder: EQT Fund Management S.a r.l. ($599.84M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| EQT Fund Management S.a r.l. | 24879437.00 | $599.84M | 2026-03-31 |
| CANADA PENSION PLAN INVESTMENT BOARD | 19025452.00 | $458.70M | 2026-03-31 |
| VANGUARD GROUP INC | 12330872.00 | $403.84M | 2025-12-31 |
| BlackRock, Inc. | 16665732.00 | $401.81M | 2026-03-31 |
| FMR LLC | 14962419.00 | $360.74M | 2026-03-31 |
| Bain Capital Investors LLC | 13243539.00 | $319.30M | 2026-03-31 |
| Advent International, L.P. | 11059899.00 | $266.65M | 2026-03-31 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 5282220.00 | $172.99M | 2025-12-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-07-15 | |
| Sell | null | 2026-06-03 | |
| Sell | null | 2026-06-03 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.