Citadel Advisors’s Waystar Holding Corp WAY Stock Holding History

Citadel Advisors’s Portfolio WAY Stock Details WAY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.34M	Buy	55,500 +17,300	+45%	+$459K	﹤0.01%	6986
2025 Q4	$1.25M	Buy	38,200 +30,900	+423%	+$1.1M	﹤0.01%	6912
2025 Q3	$277K	Buy	7,300 +500	+7%	+$18.5K	﹤0.01%	10554
2025 Q2	$278K	Sell	6,800 -2,400	-26%	-$92.5K	﹤0.01%	9979
2025 Q1	$344K	Sell	9,200 -5,600	-38%	-$222K	﹤0.01%	9280
2024 Q4	$543K	Buy	14,800 +14,500	+4,833%	+$446K	﹤0.01%	8365
2024 Q3	$8.37K	Buy	300 +200	+200%	+$4.93K	﹤0.01%	13306
2024 Q2	$2.15K	Buy	+100	New	+$2.17K	﹤0.01%	13727

Other funds holding WAY

EFM

EQT Fund Management Luxembourg $1.02B AUM

Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BCI

Bain Capital Investors Boston, Massachusetts $3.27B AUM 3.23% 1-Year Est. Return

Advent International Boston, Massachusetts $4.24B AUM 4.24% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

GAM

Goldentree Asset Management New York $1.69B AUM 10.69% 1-Year Est. Return

Citadel Advisors's WAY Position: Q1 2026 in Review

Citadel Advisors increased its Waystar Holding Corp (WAY) stake by 37% in Q1 2026, buying an estimated $931K and bringing the position to 129,975 shares worth $3.13M. The position accounts for ﹤0.01% of the portfolio, ranked #5182.

Citadel Advisors first reported a position in WAY in Q2 2024 and has held it in 7 quarters since. The position peaked at $46.2M in Q1 2025. 306 funds tracked by Wall St. Rank hold WAY as of Q1 2026.

Citadel Advisors held 129,975 shares of Waystar Holding Corp worth $3.13M as of Q1 2026.
Citadel Advisors bought 35,081 Waystar Holding Corp shares in Q1 2026, an estimated $931K.
Waystar Holding Corp made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #5182 holding.
Citadel Advisors first reported a position in Waystar Holding Corp in Q2 2024 and has held it in 7 quarters since.
Citadel Advisors's Waystar Holding Corp position peaked at $46.2M in Q1 2025.
306 funds tracked by Wall St. Rank held Waystar Holding Corp as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.