ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in WAY — Waystar Holding Corp.

CIK 1165408 Boston, MA

Position in WAY

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$642,055

-$6,712,700 QoQ

Shares Held

31,274

-89.7% QoQ

Ownership

0.016%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2024

9 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $47,266,203 across 4 Health Information Services names. WAY ranks #4 (1.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BTSG	BrightSpring Health Services, Inc.	345,000	$24,060,300
2	VEEV	Veeva Systems Inc	88,463	$15,699,528
3	HQY	Healthequity, Inc.	76,000	$6,864,320
4	WAY	Waystar Holding Corp. This page	31,274	$642,055

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$642,055	31,274	-89.7%	Shares	Sole	2026-08-14
2026-03-31	$7,354,755	305,050	-72.4%	Shares	Sole	2026-05-15
2025-12-31	$36,203,618	1,105,454	+61.6%	Shares	Sole	2026-02-17
2025-09-30	$25,946,153	684,234	+557.9%	Shares	Sole	2025-11-14
2025-06-30	$4,250,480	104,000	-55.2%	Shares	Sole	2025-08-14
2025-03-31	$8,667,520	232,000	-60.1%	Shares	Sole	2025-05-15
2024-12-31	$21,324,314	581,044	-4.4%	Shares	Sole	2025-02-14
2024-09-30	$16,956,980	607,995	+1.3%	Shares	Sole	2024-11-14
2024-06-30	$12,900,000	600,000	—	Shares	Sole	2024-08-14
No filing history on record for this holder in this stock.