Waystar Holding Corp
300 hedge funds and large institutions have $6.53B invested in Waystar Holding Corp in 2025 Q4 according to their latest regulatory filings, with 73 funds opening new positions, 114 increasing their positions, 89 reducing their positions, and 67 closing their positions.
125% more funds holding in top 10
Funds holding in top 10: 4 → 9 (+5)
28% more repeat investments, than reductions
Existing positions increased: 114 | Existing positions reduced: 89
9% more first-time investments, than exits
New positions opened: 73 | Existing positions closed: 67
0% less funds holding
Funds holding: 301 → 300 (-1)
2.51% less ownership
Funds ownership: 106.71% → 104.2% (-2.5%)
8% less capital invested
Capital invested by funds: $7.06B → $6.53B (-$533M)
27% less call options, than puts
Call options by funds: $14.8M | Put options by funds: $20.2M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AI
Advent International
Boston,
Massachusetts
|
+$394M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$327M |
| 3 |
BAMCO Inc
New York
|
+$49.6M |
| 4 |
Holocene Advisors
New York
|
+$40.8M |
| 5 |
BCVI
Bain Capital Venture Investors
Boston,
Massachusetts
|
+$31.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
-$117M |
| 2 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$79.6M |
| 3 |
Alyeska Investment Group
Chicago,
Illinois
|
-$60M |
| 4 |
Fuller & Thaler Asset Management
San Mateo,
California
|
-$57.6M |
| 5 |
JP Morgan Chase
New York
|
-$52.6M |
WAY Hedge Fund Activity: Q4 2025 in Review
300 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Waystar Holding Corp (WAY) for Q4 2025, worth a combined $6.53B — down 7.6% from $7.06B a quarter earlier.
Buyers outnumbered sellers: 73 funds opened new WAY positions and 67 closed out — a net gain of 6 holders — while 114 added to existing stakes and 89 trimmed.
The largest buyer was Advent International, opening a new position worth an estimated $394M. The largest seller was AllianceBernstein, cutting an estimated $117M.
- 300 institutional investors held Waystar Holding Corp (WAY) as of Q4 2025, down from 301 in Q3 2025.
- Funds reported $6.53B of Waystar Holding Corp stock for Q4 2025, down 7.6% quarter-over-quarter.
- 73 funds opened new Waystar Holding Corp positions in Q4 2025 and 67 closed out, a net change of +6 holders.
- The largest Waystar Holding Corp buyer in Q4 2025 was Advent International, an estimated $394M added.
- The largest Waystar Holding Corp seller in Q4 2025 was AllianceBernstein, an estimated $117M sold.
Based on aggregated 13F filings for Q4 2025.