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CSS LLC/IL

Position in BIO — Bio-Rad Laboratories, Inc.

CIK 1103646 CHICAGO, IL

Position in BIO

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$271,850
+$271,850 QoQ
Shares Held
977
-5.9% QoQ
Ownership
0.004%
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% Shared 0% None 0%

Common Shares in BIO Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

CSS LLC/IL holds $17,134,039 across 7 Medical Devices names.

# Ticker Company Shares Value (USD) Open

All Filings in BIO

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-03-31 BIO-B $271,850 977
2025-12-31 BIO-B 1,038
2025-09-30 BIO-B 1,092
2025-06-30 BIO-B 1,092
2025-03-31 BIO-B $264,253 1,092
2024-12-31 BIO-B $436,629 1,341
2024-09-30 BIO-B 1,492
2024-06-30 BIO-B 1,607
2024-03-31 BIO-B 1,807
2023-12-31 BIO-B 1,811
2023-09-30 BIO-B $655,795 1,847
2023-06-30 BIO-B 1,847
2023-03-31 BIO-B 1,847
2022-12-31 BIO-B 1,847
2022-09-30 BIO-B 1,445
2022-06-30 BIO-B 1,445
2022-03-31 BIO-B $849,024 1,445
2021-12-31 BIO-B 7,375
2021-09-30 BIO-B $5,604,336 7,375
2021-06-30 BIO-B $4,720,000 7,375
2021-03-31 BIO-B 7,375
2020-12-31 BIO-B $4,234,356 7,375
2020-09-30 BIO-B 13,588
2020-06-30 BIO-B $5,937,548 13,588
2020-03-31 BIO-B $4,773,736 13,588
2020-03-31 $105,168 300