Waystar Holding Corp. - COMMON STOCK (WAY) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2024 to Q4 2025

Type / Class
Equity / COMMON STOCK
Symbol
WAY on Nasdaq
Shares outstanding
191,083,684
Price per share
$33.08
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
199,298,593
Total reported value
$6,526,440,841
% of total 13F portfolios
0.01%
Share change
+12,681,149
Value change
+$372,103,769
Number of holders
297
Price from insider filings
$33.08
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Waystar Holding Corp. - COMMON STOCK (WAY) based on Schedule 13D/G filings

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
VANGUARD GROUP INC 7% +36% $466,029,595 +$122,086,701 12,289,810 +35% The Vanguard Group 30 Sep 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 Dec 2025, 297 institutional investors reported holding 199,298,593 shares of Waystar Holding Corp. - COMMON STOCK (WAY). This represents 104% of the company’s total 191,083,684 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Waystar Holding Corp. - COMMON STOCK (WAY) together control 83% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
EQT Fund Management S.a r.l. 13% 24,879,437 0% 73% $814,801,562
CANADA PENSION PLAN INVESTMENT BOARD 10% 19,025,452 0% 0.42% $623,083,553
BlackRock, Inc. 8.6% 16,466,240 +1.7% 0.01% $539,269,361
FMR LLC 7.3% 14,037,109 +190% 0.02% $459,715,319
Bain Capital Investors LLC 6.9% 13,243,539 0% 9.4% $433,725,902
VANGUARD GROUP INC 6.5% 12,330,872 +0.33% 0.01% $403,836,060
Advent International, L.P. 5.8% 11,059,899 7.5% $362,211,692
NEUBERGER BERMAN GROUP LLC 2.9% 5,470,932 +4.7% 0.13% $179,173,023
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 2.8% 5,282,220 +0.36% 0.48% $172,992,705
STATE STREET CORP 2.2% 4,134,052 +4% 0% $135,390,203
GEODE CAPITAL MANAGEMENT, LLC 1.8% 3,398,053 +7.1% 0.01% $111,300,318
Artisan Partners Limited Partnership 1.7% 3,164,546 +26% 0.16% $103,638,894
Invesco Ltd. 1.6% 3,113,123 -0.55% 0.02% $101,954,779
MILLENNIUM MANAGEMENT LLC 1.5% 2,914,618 +38% 0.07% $95,453,740
GOLDMAN SACHS GROUP INC 1.5% 2,827,474 +33% 0.01% $92,599,774
PointState Capital LP 1.5% 2,773,241 +32% 1.6% $90,823,643
UBS Group AG 1.2% 2,310,592 -34% 0.01% $75,671,888
ArrowMark Colorado Holdings LLC 1% 1,923,110 -8.8% 1.4% $62,981,853
PRICE T ROWE ASSOCIATES INC /MD/ 0.84% 1,611,445 +25% 0.01% $52,776,000
VOYA INVESTMENT MANAGEMENT LLC 0.84% 1,605,830 +13% 0.05% $52,590,933
Thrivent Financial for Lutherans 0.73% 1,399,429 +59% 0.08% $45,831,000
BAMCO INC /NY/ 0.73% 1,393,634 0.12% $45,641,513
NORGES BANK 0.71% 1,362,650 0% $44,626,788
BANK OF AMERICA CORP /DE/ 0.67% 1,276,126 -28% 0% $41,793,127
Holocene Advisors, LP 0.62% 1,189,722 +2561% 0.08% $38,963,396

Institutional Holders of Waystar Holding Corp. - COMMON STOCK (WAY) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 199,298,593 $6,526,440,841 +$372,103,769 $32.75 297
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