Waystar HoldingWAY
13F holders, Q1 2026 (March 31)307holders +7
73new positions
66sold out
7famous investors
$24.11avg. 13F price*
At the end of Q1 2026, 307 institutions reported holding Waystar Holding Corp. (WAY) in their 13F filings, up 7 from Q4 2025. 73 opened new positions and 66 sold out. The largest holders were EQT Fund Management S.a r.l. ($599.8M), Canada Pension Plan Investment Board ($458.7M) and BlackRock, Inc. ($401.8M). 7 famous investors held it, including Ron Baron (0.2% of Baron Capital (BAMCO)'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Waystar Holding Corp.
- CUSIP
- 946784105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 73 | $317.2M |
| Exits | 66 | $386.0M |
All 13F filers, Q4 2025 → Q1 2026: 33,079,174 shares bought and 26,458,059 shares sold, net +6,621,115 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 307 holders
| EQT Fund Management S.a r.l. | 58.77% | No change | 24,879,437 | $599.8M |
| Canada Pension Plan Investment Board | 0.30% | No change | 19,025,452 | $458.7M |
| BlackRock, Inc. | 0.01% | Add +1.2% | 16,665,732 | $401.8M |
| FMR LLC | 0.02% | Add +6.6% | 14,962,419 | $360.7M |
| Bain Capital Investors LLC | 9.77% | No change | 13,243,539 | $319.3M |
| Advent International, L.P. | 6.28% | No change | 11,059,899 | $266.7M |
| Vanguard Portfolio Management LLC | 0.01% | — | 6,406,778 | $154.5M |
| Vanguard Capital Management LLC | 0.00% | — | 5,145,224 | $124.1M |
| Neuberger Berman Group LLC | 0.09% | Reduce -14.6% | 4,671,179 | $112.6M |
| Goldentree Asset Management LP | 6.36% | New | 4,443,671 | $107.0M |
| Artisan Partners Limited Partnership | 0.17% | Add +39.3% | 4,408,404 | $106.3M |
| State Street Corp. | 0.00% | Add +3.8% | 4,289,115 | $103.4M |
| PointState Capital LP | 2.11% | Add +35.9% | 3,767,798 | $90.8M |
| Bank of Montreal | 0.03% | Add +51157.9% | 3,453,757 | $83.3M |
| Geode Capital Management, LLC | 0.00% | Reduce -14.9% | 2,892,142 | $69.7M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -7.4% | 2,617,759 | $63.1M |
| Baron Capital (BAMCO) | 0.17% | Add +66.9% | 2,325,569 | $56.1M |
| ArrowMark Colorado Holdings LLC | 1.41% | Add +14.3% | 2,198,468 | $53.0M |
| UBS Group AG | 0.01% | Reduce -6.8% | 2,152,949 | $51.9M |
| Millennium Management | 0.04% | Reduce -27.5% | 2,112,133 | $50.9M |
| Bank of America Corp. | 0.00% | Add +61.8% | 2,065,258 | $49.8M |
| Dimensional Fund Advisors LP | 0.01% | Add +73.8% | 2,046,396 | $49.3M |
| Janus Henderson Group PLC | 0.02% | Add +152.1% | 1,991,050 | $48.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +6.6% | 1,717,806 | $41.4M |
| Sio Capital Management, LLC | 5.71% | Add +167.6% | 1,642,236 | $39.6M |
| RTW Investments, LP | 0.39% | New | 1,630,000 | $39.3M |
| Capital Research Global Investors | 0.01% | Add +225.2% | 1,609,775 | $38.8M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.24% | New | 1,603,517 | $38.7M |
| Thrivent Financial for Lutherans | 0.07% | Add +14.0% | 1,595,964 | $38.5M |
| Massachusetts Financial Services Co. | 0.01% | New | 1,582,658 | $38.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +8.7% | 1,247,808 | $30.1M |
| Fort Washington Investment Advisors Inc. | 0.16% | Add +91.7% | 1,228,420 | $29.6M |
| AQR Capital Management | 0.01% | Add +1784.9% | 1,220,241 | $29.4M |
| Oberweis Asset Management Inc./ | 0.83% | Add +38.9% | 1,167,474 | $28.1M |
| Northern Trust Corp. | 0.00% | Add +6.5% | 1,119,526 | $27.0M |
| JPMorgan Chase & Co. | 0.00% | Add +1.6% | 1,029,208 | $24.1M |
| Avenir Corp. | 2.86% | Add +30.4% | 973,260 | $23.5M |
| Morgan Stanley | 0.00% | Add +14.3% | 959,167 | $23.1M |
| Clarkston Capital Partners, LLC | 1.75% | New | 950,531 | $22.9M |
| Select Equity Group, L.P. | 0.12% | Add +45.5% | 923,241 | $22.3M |
| Bain Capital Venture Investors, LLC | 12.17% | No change | 882,965 | $21.3M |
| Principal Financial Group Inc. | 0.01% | Reduce -0.9% | 819,027 | $19.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 785,322 | $18.9M |
| Citigroup Inc. | 0.01% | Add +332.0% | 774,121 | $18.7M |
| Blue Door Asset Management, LLC | 11.22% | Add +76.9% | 711,800 | $17.2M |
| Bank of New York Mellon Corp | 0.00% | Add +2.2% | 699,892 | $16.9M |
| Wellington Management Group LLP | 0.00% | Reduce -4.0% | 644,635 | $15.5M |
| Silvercrest Asset Management Group LLC | 0.10% | Add +25.7% | 601,241 | $14.5M |
| Deutsche Bank AG | 0.00% | Reduce -13.2% | 598,474 | $14.4M |
| BNP Paribas Financial Markets | 0.01% | Add +59.2% | 597,713 | $14.4M |
| Ra Capital Management, L.P. | 0.14% | Add +266.6% | 529,400 | $12.8M |
| Jennison Associates LLC | 0.01% | Reduce -41.5% | 516,149 | $12.4M |
| Loomis Sayles & Co. L P | 0.02% | New | 493,203 | $11.9M |
| Mawer Investment Management Ltd. | 0.07% | Add +34.2% | 453,169 | $10.9M |
| Parkman Healthcare Partners LLC | 1.11% | Add +20.1% | 443,058 | $10.7M |
| Walleye Capital LLC | 0.07% | New | 438,989 | $10.6M |
| Kingdon Capital Management, L.L.C. | 1.77% | Add +5.7% | 438,000 | $10.6M |
| Renaissance Technologies | 0.02% | Reduce -60.5% | 423,200 | $10.2M |
| Public Sector Pension Investment Board | 0.03% | Add +3.4% | 410,691 | $9.9M |
| Peregrine Capital Management LLC | 0.36% | Add +5.4% | 407,442 | $9.8M |
| Burkehill Global Management, LP | 0.50% | Reduce -33.3% | 400,000 | $9.6M |
| Susquehanna International Group, LLP | 0.01% | Add +67.0% | 389,069 | $9.4M |
| Main Street Financial Solutions, LLC | 0.68% | Add +15.1% | 387,750 | $9.3M |
| New York State Common Retirement Fund | 0.01% | Reduce -20.2% | 378,281 | $9.1M |
| Sei Investments Co. | 0.01% | Add +33.5% | 370,818 | $8.9M |
| Nuveen, LLC | 0.00% | Reduce -24.2% | 357,687 | $8.6M |
| Ghisallo Capital Management LLC | 0.23% | No change | 350,000 | $8.4M |
| Invesco Ltd. | 0.00% | Reduce -88.9% | 345,486 | $8.3M |
| Rhenman & Partners Asset Management AB | 1.02% | New | 342,566 | $8.3M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | Reduce -72.4% | 305,050 | $7.4M |
| Seven Grand Managers, LLC | 0.48% | No change | 300,000 | $7.2M |
| Ameriprise Financial Inc. | 0.00% | Reduce -55.8% | 296,252 | $7.1M |
| Rhumbline Advisers | 0.01% | Reduce -0.7% | 287,648 | $6.9M |
| Renaissance Group LLC | 0.27% | Add +34.7% | 271,601 | $6.5M |
| Bellevue Group AG | 0.15% | Add +6.0% | 256,139 | $6.2M |
| Legal & General Group Plc | 0.00% | Reduce -11.9% | 238,142 | $5.7M |
| HSBC Holdings PLC | 0.00% | New | 233,366 | $5.6M |
| Victory Capital Management Inc. | 0.00% | Reduce -4.8% | 232,517 | $5.6M |
| Swiss National Bank | 0.00% | Add +0.5% | 227,100 | $5.5M |
| Kennedy Capital Management LLC | 0.11% | Add +104.4% | 217,108 | $5.2M |
| Next Century Growth Investors LLC | 0.38% | Reduce -8.6% | 216,616 | $5.2M |
| State of Wisconsin Investment Board | 0.01% | Reduce -6.3% | 203,877 | $4.9M |
| Roubaix Capital, LLC | 2.25% | New | 200,167 | $4.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +9.3% | 195,734 | $4.7M |
| Lisanti Capital Growth, LLC | 1.14% | Add +1158.4% | 187,130 | $4.5M |
| Ieq Capital, LLC | 0.02% | Add +174.7% | 185,165 | $4.5M |
| Gotham Asset Management | 0.01% | Add +69.3% | 178,206 | $4.3M |
| Alliancebernstein L.P. | 0.00% | Reduce -7.9% | 128,203 | $4.2M |
| Cerity Partners LLC | 0.01% | Add +37.4% | 172,696 | $4.2M |
| Credit Agricole S A | 0.01% | Reduce -65.3% | 172,576 | $4.2M |
| Kornitzer Capital Management Inc. | 0.09% | No change | 172,380 | $4.2M |
| Quantinno Capital Management LP | 0.01% | Add +1399.7% | 163,915 | $4.0M |
| King Luther Capital Management Corp. | 0.02% | Reduce -21.4% | 155,390 | $3.7M |
| Two Sigma Investments, LP | 0.00% | Reduce -43.7% | 151,030 | $3.6M |
| Raymond James Financial Inc. | 0.00% | Add +8.2% | 149,981 | $3.6M |
| Susquehanna Portfolio Strategies, LLC | 0.05% | New | 145,977 | $3.5M |
| California State Teachers Retirement System | 0.00% | Add +32.8% | 140,729 | $3.4M |
| Corient Private Wealth LP | 0.00% | New | 134,039 | $3.3M |
| Creative Planning | 0.00% | Add +772.1% | 133,688 | $3.2M |
| Citadel Advisors | 0.00% | Add +37.0% | 129,975 | $3.1M |
"% of holder's portfolio" is WAY's weight in each manager's 13F, not the share of Waystar Holding Corp. the manager owns.