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PARTHENON LLC

Position in WAT — Waters Corp /De/

CIK 1088859 LOUISVILLE, KY

Position in WAT

as of Jun 30, 2026 · filed Jul 23, 2026
Position Value
$10,867,909
+$2,230,816 QoQ
Shares Held
28,978
-0.1% QoQ
Ownership
0.029%
of shares outstanding
% of Portfolio
1.27%
of 13F equity value
Holder Rank
#190
of 1,173 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in WAT Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

PARTHENON LLC holds $24,530,721 across 2 Diagnostics & Research names. WAT ranks #2 (44.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 WAT
Waters Corp /De/
This page
28,978 $10,867,909

All Filings in WAT

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $10,867,909 28,978
2026-03-31 $8,637,093 29,003
2025-12-31 $11,052,293 29,098
2025-09-30 $9,072,550 30,261
2025-06-30 $11,075,388 31,731
2025-03-31 $12,010,222 32,586
2024-12-31 $12,198,193 32,881
2024-09-30 $11,581,620 32,181
2024-06-30 $9,358,110 32,256
2024-03-31 $11,306,578 32,846
2023-12-31 $10,978,503 33,346
2023-09-30 $9,184,938 33,496
2023-06-30 $9,013,316 33,816
2023-03-31 $10,470,448 33,816
2022-12-31 $11,636,072 33,966
2022-09-30 $9,222,238 34,216
2022-06-30 $11,324,811 34,216
2022-03-31 $10,794,743 34,778
2021-12-31 $12,965,734 34,798
2021-09-30 $13,744,616 38,468
2021-06-30 $15,367,894 44,466
2021-03-31 $12,640,165 44,481
2020-12-31 $10,897,861 44,046
2020-09-30 $8,762,159 44,778
2020-06-30 $8,123,953 45,033
2020-03-31 $8,199,167 45,038