Waystar Holding Corp. - Common Stock, par value $0.01 per share (WAY) Institutional Ownership

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

Type / Class
Equity / Common Stock, par value $0.01 per share
Symbol
WAY on Nasdaq
Shares outstanding
192,028,814
Price per share
$32.75
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
185,871,340
Total reported value
$7,048,192,193
% of total 13F portfolios
0.01%
Share change
+16,954,952
Value change
+$629,054,505
Number of holders
297
Price from insider filings
$32.75
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Waystar Holding Corp. - Common Stock, par value $0.01 per share (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
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 30 Sep 2025, 297 institutional investors reported holding 185,871,340 shares of Waystar Holding Corp. - Common Stock, par value $0.01 per share (WAY). This represents 97% of the company’s total 192,028,814 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Waystar Holding Corp. - Common Stock, par value $0.01 per share (WAY) together control 74% 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% 51% $943,428,251
CANADA PENSION PLAN INVESTMENT BOARD 9.9% 19,025,452 -24% 0.51% $721,445,140
BlackRock, Inc. 8.4% 16,185,250 +134% 0.01% $613,744,680
Bain Capital Investors LLC 6.9% 13,243,539 -27% 15% $502,194,999
VANGUARD GROUP INC 6.4% 12,289,810 +35% 0.01% $466,029,595
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 2.7% 5,263,187 +0.45% 0.52% $199,580,051
NEUBERGER BERMAN GROUP LLC 2.7% 5,226,236 +6.7% 0.14% $198,178,869
FMR LLC 2.5% 4,845,952 -12% 0.01% $183,758,486
STATE STREET CORP 2.1% 3,974,869 +97% 0.01% $150,727,032
UBS Group AG 1.8% 3,516,539 +185% 0.03% $133,347,159
ALLIANCEBERNSTEIN L.P. 1.8% 3,415,442 +4.5% 0.04% $129,513,561
GEODE CAPITAL MANAGEMENT, LLC 1.7% 3,173,145 +33% 0.01% $120,339,638
Invesco Ltd. 1.6% 3,130,230 +63% 0.02% $118,698,321
Artisan Partners Limited Partnership 1.3% 2,518,390 0.14% $95,497,349
JPMORGAN CHASE & CO 1.3% 2,489,572 +153% 0.01% $94,404,570
ROYAL BANK OF CANADA 1.2% 2,265,381 -9.8% 0.02% $85,903,000
GOLDMAN SACHS GROUP INC 1.1% 2,122,045 -24% 0.01% $80,467,948
ArrowMark Colorado Holdings LLC 1.1% 2,107,750 -0.28% 1.5% $79,925,880
MILLENNIUM MANAGEMENT LLC 1.1% 2,105,421 +131% 0.06% $79,837,564
PointState Capital LP 1.1% 2,099,772 1.4% $79,623,354
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 1% 2,000,000 -22% 0.14% $75,840,000
Alyeska Investment Group, L.P. 0.94% 1,814,648 +4717% 0.21% $68,811,452
BANK OF AMERICA CORP /DE/ 0.92% 1,762,342 -16% 0.01% $66,828,010
FULLER & THALER ASSET MANAGEMENT, INC. 0.79% 1,519,779 +0.34% 0.2% $57,630,035
Voya Investment Management LLC 0.74% 1,426,330 +143% 0.05% $54,086,434

Institutional Holders of Waystar Holding Corp. - Common Stock, par value $0.01 per share (WAY) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 1,552,658 $50,723,326 +$8,278,713 $32.75 18
2025 Q3 185,871,340 $7,048,192,193 +$629,054,505 $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