Waystar Holding Corp. (WAY) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

183,752,459Shares Outstanding

58,377,771Shares held by institutions

$1,419,163,613Value of institutional holdings

105.70%Institutional ownership %

8.84%Shares Changed QoQ

289No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Waystar Holding Corp. (NASDAQ:WAY) is held by 289 institutional firms.

Waystar Holding saw its institutional ownership percentage fell to 105.7% in December 2025 from 112.4% in September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 8.84%, with a year-over-year an increase of 75.15% in the count of filers.
Among the 289 institutional holders of Waystar Holding, 176 added to their stakes while 92 trimmed their positions and 21 held steady.
This class of investors increased its holdings in Waystar Holding to 194.23Mn shares for the 13F-cycle ending December 2025, up by 15.78Mn shares quarter on quarter, and up 68.22Mn shares year over year.
As of December 31, 2025, EQT Fund Management S.a r.l. held Waystar Holding's largest shareholding position with over 24.88Mn shares, representing 13.54% of total outstanding shares.
Among the most significant buyers of Waystar Holding during December 2025 were ADVENT INTERNATIONAL, L.P. (11.06Mn), FMR LLC (9.19Mn), BAMCO INC /NY/ (1.39Mn), NORGES BANK (1.36Mn), Holocene Advisors, LP (1.15Mn).
Leading sellers of Waystar Holding stock in December 2025 included Lombard Odier Asset Management (Europe) Ltd (5.93Mn), ALLIANCEBERNSTEIN L.P. (3.28Mn), ROYAL BANK OF CANADA (2.24Mn), Alyeska Investment Group, L.P. (1.68Mn), JPMORGAN CHASE & CO (1.48Mn).
The top 10 institutional holders of Waystar Holding for the quarter ending December 2025 included EQT Fund Management S.a r.l. (24.88Mn), CANADA PENSION PLAN INVESTMENT BOARD (19.03Mn), BlackRock, Inc. (16.47Mn), FMR LLC (14.04Mn), BAIN CAPITAL INVESTORS LLC (13.24Mn), VANGUARD GROUP INC (12.33Mn), ADVENT INTERNATIONAL, L.P. (11.06Mn), Neuberger Berman Group LLC (5.47Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (5.28Mn), STATE STREET CORP (4.13Mn).

289 Institutional Holders

58,377,771 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
EQT Fund Management S.a r.l.	31 Dec, 2025	24,879,437	0	0.00%	$814,801,562.00
CANADA PENSION PLAN INVESTMENT BOARD	31 Dec, 2025	19,025,452	0	0.00%	$623,083,553.00
BlackRock, Inc.	31 Dec, 2025	16,466,240	280,990	1.74%	$539,269,361.00
FMR LLC	31 Dec, 2025	14,037,109	9,191,157	189.67%	$459,715,319.00
BAIN CAPITAL INVESTORS LLC	31 Dec, 2025	13,243,539	0	0.00%	$433,725,902.00
VANGUARD GROUP INC	31 Dec, 2025	12,330,872	41,062	0.33%	$403,836,060.00
ADVENT INTERNATIONAL, L.P.	31 Dec, 2025	11,059,899	11,059,899	0.00%	$362,211,692.00
Neuberger Berman Group LLC	31 Dec, 2025	5,470,932	244,696	4.68%	$179,173,023.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	5,282,220	19,033	0.36%	$172,992,705.00
STATE STREET CORP	31 Dec, 2025	4,134,052	159,183	4.00%	$135,390,203.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	3,398,053	224,908	7.09%	$111,300,318.00
Artisan Partners Limited Partnership	31 Dec, 2025	3,164,546	646,156	25.66%	$103,638,894.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	2,914,618	609,197	26.42%	$95,453,740.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	2,827,474	705,429	33.24%	$92,599,774.00
PointState Capital LP	31 Dec, 2025	2,773,241	673,469	32.07%	$90,823,643.00
UBS Group AG	31 Dec, 2025	2,310,592	-1,205,947	-34.29%	$75,671,888.00
ArrowMark Colorado Holdings LLC	31 Dec, 2025	1,923,110	-184,640	-8.76%	$62,981,853.00
VOYA INVESTMENT MANAGEMENT LLC	31 Dec, 2025	1,605,830	179,500	12.58%	$52,590,933.00
THRIVENT FINANCIAL FOR LUTHERANS	31 Dec, 2025	1,399,429	517,002	58.59%	$45,831.00
BAMCO INC /NY/	31 Dec, 2025	1,393,634	1,393,634	0.00%	$45,641,513.00

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