Skip to main content
Equibles

CITADEL ADVISORS LLC

Position in WAT — Waters Corp /De/

CIK 1423053 MIAMI, FL
Back to WAT Full portfolio

Position in WAT

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$62,092,193
+$9,111,607 QoQ
Shares Held
208,503
+49.5% QoQ
Ownership
0.212%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in WAT Over Time

Shares Held

Position Value (USD)

Derivatives in WAT

reported options exposure · as of Mar 31, 2026
CallValue
$7,502,177
CallShares
25,192
PutValue
$7,344,045
PutShares
24,661

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Diagnostics & Research

Healthcare · as of Mar 31, 2026

CITADEL ADVISORS LLC holds $1,657,068,556 across 34 Diagnostics & Research names. WAT ranks #9 (3.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 TMO
Thermo Fisher Scientific Inc.
 864,489 $424,922,277
2 CRL
Charles River Laboratories International, Inc.
 1,212,152 $209,096,220
3 A
Agilent Technologies, Inc.
 1,801,714 $205,359,361
4 DHR
Danaher Corp /De/
 1,026,347 $194,595,390
5 MTD
Mettler Toledo International Inc/
 58,054 $73,217,704
6 GH
Guardant Health, Inc.
 775,941 $71,673,669
7 DGX
Quest Diagnostics Inc
 347,218 $68,047,783
8 IQV
Iqvia Holdings Inc.
 390,042 $66,517,762

All Filings in WAT

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $62,092,193 208,503
2026-03-31 $7,502,177 25,192
2026-03-31 $7,344,045 24,661
2025-12-31 $4,292,079 11,300
2025-12-31 $8,432,226 22,200
2025-12-31 $52,980,586 139,485
2025-09-30 $3,088,043 10,300
2025-09-30 $14,876,871 49,621
2025-09-30 $9,923,711 33,100
2025-06-30 $1,884,816 5,400
2025-06-30 $7,993,016 22,900
2025-06-30 $1,203,140 3,447
2025-03-31 $1,732,279 4,700
2025-03-31 $5,601,895 15,199
2025-03-31 $8,108,540 22,000
2024-12-31 $2,967,840 8,000
2024-12-31 $4,600,152 12,400
2024-12-31 $650,327 1,753
2024-09-30 $3,131,043 8,700
2024-09-30 $10,256,865 28,500
2024-09-30 $351,972 978
2024-06-30 $3,510,452 12,100
2024-06-30 $9,922,104 34,200
2024-06-30 $23,586,465 81,299
2024-03-31 $15,871,411 46,107
2024-03-31 $9,190,941 26,700
2024-03-31 $16,488,617 47,900
2023-12-31 $8,724,595 26,500
2023-12-31 $23,033,917 69,963
2023-12-31 $17,877,189 54,300
2023-09-30 $9,871,560 36,000
2023-09-30 $18,673,701 68,100
2023-09-30 $10,751,774 39,210
2023-06-30 $9,408,862 35,300
2023-06-30 $11,701,106 43,900
2023-06-30 $3,014,300 11,309
2023-03-31 $21,792,068 70,381
2023-03-31 $9,908,160 32,000
2023-03-31 $10,465,494 33,800
2022-12-31 $4,453,540 13,000
2022-12-31 $5,652,570 16,500
2022-12-31 $264,040,793 770,742
2022-09-30 $5,228,882 19,400
2022-09-30 $5,363,647 19,900
2022-09-30 $137,686,435 510,839
2022-06-30 $7,678,736 23,200
2022-06-30 $5,361,876 16,200
2022-06-30 $228,121,675 689,231
2022-03-31 $92,414,587 297,737
2022-03-31 $3,724,680 12,000

Report a Problem

Category
Description
Email (optional, for follow-up)