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Equibles

CITADEL ADVISORS LLC

Position in BIO — Bio-Rad Laboratories, Inc.

CIK 1423053 MIAMI, FL
Back to BIO Full portfolio

Position in BIO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$17,857,066
-$23,584,417 QoQ
Shares Held
60,819
-59.1% QoQ
Ownership
0.227%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#57
of 397 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BIO Over Time

Shares Held

Position Value (USD)

Derivatives in BIO

reported options exposure · as of Jun 30, 2026
CallValue
$910,191
CallShares
3,100
PutValue
$0
PutShares
0

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 Devices

Healthcare · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $3,441,341,341 across 94 Medical Devices names. BIO ranks #21 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ABT
Abbott Laboratories
 8,597,227 $780,112,377
2 MDT
Medtronic plc
 5,373,877 $420,398,397
3 EW
Edwards Lifesciences Corp
 3,997,925 $361,652,295
4 ZBH
Zimmer Biomet Holdings, Inc.
 3,477,472 $299,375,563
5 BSX
Boston Scientific Corp
 4,987,748 $212,877,084
6 GKOS
GLAUKOS Corp
 1,390,017 $194,268,775
7 GEHC
GE HealthCare Technologies Inc.
 2,367,032 $151,513,717
8 PEN
Penumbra Inc
 448,763 $141,696,917

All Filings in BIO

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $910,191 3,100
2026-06-30 $17,857,066 60,819
2026-03-31 $446,000 1,600
2026-03-31 $41,441,483 148,669
2025-12-31 $2,872,344 9,480
2025-12-31 $636,279 2,100
2025-09-30 $841,170 3,000
2025-09-30 $280,390 1,000
2025-09-30 $14,105,298 50,306
2025-06-30 $4,633,344 19,200
2025-06-30 $1,278,996 5,300
2025-06-30 $631,775 2,618
2025-03-31 $1,022,952 4,200
2025-03-31 $2,581,736 10,600
2025-03-31 $3,120,247 12,811
2024-12-31 $283,832 864
2024-12-31 $3,613,610 11,000
2024-12-31 $558,467 1,700
2024-09-30 $6,856,546 20,493
2024-09-30 $635,702 1,900
2024-09-30 $2,810,472 8,400
2024-06-30 $2,266,813 8,300
2024-06-30 $1,966,392 7,200
2024-03-31 $4,392,549 12,700
2024-03-31 $13,167,270 38,070
2024-03-31 $4,012,092 11,600
2023-12-31 $6,328,644 19,600
2023-12-31 $7,056,114 21,853
2023-12-31 $8,814,897 27,300
2023-09-30 $8,746,180 24,400
2023-09-30 $9,176,320 25,600
2023-09-30 $1,785,081 4,980
2023-06-30 $6,482,952 17,100
2023-06-30 $11,259,864 29,700
2023-06-30 $16,024,264 42,267
2023-03-31 $4,359,082 9,100
2023-03-31 $28,782,874 60,087
2023-03-31 $9,628,302 20,100
2022-12-31 $52,966,601 125,964
2022-12-31 $19,090,246 45,400
2022-12-31 $22,075,725 52,500
2022-09-30 $30,284,364 72,600
2022-09-30 $36,458,036 87,400
2022-09-30 $37,930,539 90,930
2022-06-30 $23,661,000 47,800
2022-06-30 $31,432,500 63,500
2022-06-30 $25,630,605 51,779
2022-03-31 $76,466,356 135,764
2022-03-31 $27,429,301 48,700
2022-03-31 $24,387,859 43,300

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