Skip to main content

CITADEL ADVISORS LLC

Position in ATRC — AtriCure, Inc.

CIK 1423053 MIAMI, FL

Position in ATRC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$4,961,945
+$2,469,936 QoQ
Shares Held
177,339
+103.0% QoQ
Ownership
0.349%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#50
of 250 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ATRC Over Time

Shares Held

Position Value (USD)

Derivatives in ATRC

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$321,770
PutShares
11,500

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 Medical Instruments & Supplies

Healthcare · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $1,314,082,089 across 43 Medical Instruments & Supplies names. ATRC ranks #22 (0.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ATRC

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $321,770 11,500
2026-06-30 $4,961,945 177,339
2026-03-31 $2,492,009 87,347
2025-12-31 $9,602,833 242,741
2025-09-30 $260,850 7,400
2025-09-30 $1,603,839 45,499
2025-06-30 $4,415,265 134,735
2025-06-30 $337,531 10,300
2025-03-31 $222,594 6,900
2025-03-31 $145,170 4,500
2025-03-31 $6,112,721 189,483
2024-12-31 $5,958,649 194,982
2024-12-31 $137,520 4,500
2024-12-31 $375,888 12,300
2024-09-30 $4,451,153 158,743
2024-09-30 $201,888 7,200
2024-09-30 $336,480 12,000
2024-06-30 $286,902 12,600
2024-06-30 $3,499,908 153,707
2024-06-30 $81,972 3,600
2024-03-31 $9,348,582 307,317
2024-03-31 $298,116 9,800
2024-03-31 $124,722 4,100
2023-12-31 $60,673 1,700
2023-12-31 $10,915,750 305,849
2023-12-31 $403,297 11,300
2023-09-30 $8,760 200
2023-09-30 $4,187,192 95,598
2023-06-30 $74,040 1,500
2023-06-30 $14,808 300
2023-06-30 $15,360,189 311,187
2023-03-31 $14,092,709 339,993
2023-03-31 $37,305 900
2022-12-31 $5,763,452 129,866
2022-12-31 $22,190 500
2022-09-30 $293,250 7,500
2022-09-30 $2,458,529 62,878
2022-06-30 $212,472 5,200
2022-06-30 $2,431,292 59,503
2022-03-31 $229,845 3,500
2022-03-31 $13,872,655 211,248
2021-12-31 $25,284,097 363,643
2021-09-30 $500,760 7,200
2021-09-30 $34,823,476 500,697
2021-06-30 $396,650 5,000
2021-06-30 $65,750,052 828,817
2021-06-30 $658,439 8,300
2021-03-31 $34,080,948 520,161
2021-03-31 $445,536 6,800
2021-03-31 $694,512 10,600