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ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in WAY — Waystar Holding Corp.

CIK 1165408 Boston, MA

Position in WAY

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$7,354,755
-$28,848,863 QoQ
Shares Held
305,050
-72.4% QoQ
Ownership
0.159%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2024
8 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in WAY Over Time

Shares Held

Position Value (USD)

Position in Health Information Services

Healthcare · as of Mar 31, 2026

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $17,153,940 across 3 Health Information Services names. WAY ranks #2 (42.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 WAY
Waystar Holding Corp.
This page
305,050 $7,354,755

All Filings in WAY

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8 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $7,354,755 305,050
2025-12-31 $36,203,618 1,105,454
2025-09-30 $25,946,153 684,234
2025-06-30 $4,250,480 104,000
2025-03-31 $8,667,520 232,000
2024-12-31 $21,324,314 581,044
2024-09-30 $16,956,980 607,995
2024-06-30 $12,900,000 600,000