Latest Period
Q1 2026
Security Snapshot
Waystar Holding Corp. - Common Stock (WAY) Institutional Ownership
CUSIP: 946784105
13F Institutional Holders and Ownership History from Q2 2024 to Q2 2026
Institutions Reporting
303
Shares (Excl. Options)
204,747,909
Price
$24.11
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- Security type / class
- Equity / Common Stock
- Symbol
- WAY on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 204,747,909
- Total 13F value
- $4,936,494,012
- Portfolio coverage rank
- 0.01%
- Share change
- +5,010,519
- Value change
- +$7,049,576
- Number of holders
- 303
- Shares outstanding
- 191,083,684
- SEC-reported price per share
- $21.43
- Insider filing price
- $21.43
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- WAY - Waystar Holding Corp. - Common Stock is tracked under CUSIP 946784105.
- 303 institutions reported positions in Q1 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 303 to 79 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $4,936,494,012 to $167,244,456.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 303 institutions filings for Q1 2026.
Security key
946784105
Latest holder period
Q1 2026
13F holders
303
13D/G owners
6
CIK / CUSIP context first
Open Q1 2026 holders
WAY full holder history
Waystar Holding Corp. SEC filings
Waystar Holding Corp. company facts
Waystar Holding Corp. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 946784105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
WAY
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Derby LuxCo S.a r.l. | 14% | -24% | $943,428,251 | -$294,490,057 | 24,879,437 | -24% | Derby LuxCo S.a r.l. | 30 Sep 2025 |
| CANADA PENSION PLAN INVESTMENT BOARD | 9.9% | -31% | $721,445,140 | -$225,198,272 | 19,025,452 | -24% | Canada Pension Plan Investment Board | 30 Sep 2025 |
| BlackRock, Inc. | 9.1% | $603,909,028 | 15,925,871 | BlackRock, Inc. | 30 Sep 2025 | |||
| FMR LLC | 7.3% | $456,833,318 | 13,949,109 | FMR LLC | 31 Dec 2025 | |||
| BCPE Derby Investor, LP | 5.9% | -33% | $429,622,224 | -$156,086,076 | 11,329,700 | -27% | BCPE Derby (DE) SPV, LP | 30 Sep 2025 |
| ADVENT INTERNATIONAL, L.P. | 5.8% | $419,388,052 | 11,059,899 | ADVENT INTERNATIONAL, L.P. | 01 Oct 2025 |
As of 31 Mar 2026, 303 institutional investors reported holding 204,747,909 shares of Waystar Holding Corp. - Common Stock (WAY). This represents 107% of the company’s total 191,083,684 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
84%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| EQT Fund Management S.a r.l. | 13% | 24,879,437 | 0% | 59% | $599,843,226 |
| CANADA PENSION PLAN INVESTMENT BOARD | 10% | 19,025,452 | 0% | 0.3% | $458,703,648 |
| BlackRock, Inc. | 8.7% | 16,665,732 | +1.2% | 0.01% | $401,810,797 |
| FMR LLC | 7.8% | 14,962,419 | +6.6% | 0.02% | $360,743,924 |
| Bain Capital Investors LLC | 6.9% | 13,243,539 | 0% | 9.8% | $319,301,725 |
| Advent International, L.P. | 5.8% | 11,059,899 | 0% | 6.3% | $266,654,165 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.4% | 6,406,778 | 0% | 0.01% | $154,467,418 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.7% | 5,145,224 | 0% | 0% | $124,051,351 |
| NEUBERGER BERMAN GROUP LLC | 2.4% | 4,671,179 | -15% | 0.09% | $112,622,126 |
| GOLDENTREE ASSET MANAGEMENT LP | 2.3% | 4,443,671 | 6.3% | $106,975,513 | |
| Artisan Partners Limited Partnership | 2.3% | 4,408,404 | +39% | 0.17% | $106,286,617 |
| STATE STREET CORP | 2.2% | 4,289,115 | +3.8% | 0% | $103,410,563 |
| PointState Capital LP | 2% | 3,767,798 | +36% | 2.1% | $90,841,610 |
| BANK OF MONTREAL /CAN/ | 1.8% | 3,453,757 | +51158% | 0.04% | $83,270,080 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.5% | 2,892,142 | -15% | 0% | $69,742,467 |
| GOLDMAN SACHS GROUP INC | 1.4% | 2,617,759 | -7.4% | 0.01% | $63,114,170 |
| BAMCO INC /NY/ | 1.2% | 2,325,569 | +67% | 0.17% | $56,069,469 |
| ArrowMark Colorado Holdings LLC | 1.2% | 2,198,468 | +14% | 1.4% | $53,005,063 |
| UBS Group AG | 1.1% | 2,152,949 | -6.8% | 0.01% | $51,907,601 |
| MILLENNIUM MANAGEMENT LLC | 1.1% | 2,112,133 | -28% | 0.04% | $50,923,527 |
| BANK OF AMERICA CORP /DE/ | 1.1% | 2,065,258 | +62% | 0% | $49,793,371 |
| DIMENSIONAL FUND ADVISORS LP | 1.1% | 2,046,396 | +74% | 0.01% | $49,329,450 |
| JANUS HENDERSON GROUP PLC | 1% | 1,991,050 | +152% | 0.02% | $48,005,191 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.9% | 1,717,806 | +6.6% | 0% | $41,418,000 |
| Sio Capital Management, LLC | 0.86% | 1,642,236 | +168% | 5.7% | $39,594,310 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
9
Latest
Q1 2026
Rows shown
1-9 of 9
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 8,137,813 | $167,244,456 | +$11,496,484 | $20.53 | 79 |
| 2026 Q1 | 204,747,909 | $4,936,494,012 | +$7,049,576 | $24.11 | 303 |
| 2025 Q4 | 199,349,485 | $6,528,107,555 | +$363,648,314 | $32.75 | 299 |
| 2025 Q3 | 185,871,340 | $7,048,192,193 | +$628,862,706 | $37.92 | 297 |
| 2025 Q2 | 144,435,263 | $5,902,993,666 | +$348,322,333 | $40.87 | 265 |
| 2025 Q1 | 136,310,447 | $5,093,163,170 | +$382,758,269 | $37.36 | 224 |
| 2024 Q4 | 125,751,342 | $4,614,791,989 | +$79,919,664 | $36.70 | 163 |
| 2024 Q3 | 124,155,064 | $3,463,000,695 | -$34,550,044 | $27.89 | 117 |
| 2024 Q2 | 123,432,577 | $2,653,832,174 | +$2,653,832,173 | $21.50 | 92 |