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TUDOR INVESTMENT CORP ET AL

Position in BIO — Bio-Rad Laboratories, Inc.

CIK 923093 STAMFORD, CT

Position in BIO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$7,340,250
+$5,901,622 QoQ
Shares Held
25,000
+384.4% QoQ
Ownership
0.093%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#79
of 392 holders
Holding Since
Jun 2020
17 quarters on record
Voting authority Sole 50% Shared 50% None 0%

Common Shares in BIO Over Time

Shares Held

Position Value (USD)

Derivatives in BIO

reported options exposure · as of Sep 30, 2021
CallValue
$298,380
CallShares
400
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

TUDOR INVESTMENT CORP ET AL holds $383,302,822 across 39 Medical Devices names. BIO ranks #7 (1.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 BIO
Bio-Rad Laboratories, Inc.
This page
25,000 $7,340,250

All Filings in BIO

Export CSV
18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,340,250 25,000
2026-03-31 $1,438,628 5,161
2024-12-31 $2,441,814 7,433
2023-12-31 $5,188,842 16,070
2023-09-30 $2,528,864 7,055
2023-03-31 $6,590,836 13,759
2022-12-31 $6,438,963 15,313
2022-09-30 $5,248,872 12,583
2022-06-30 $464,310 938
2022-03-31 $3,512,302 6,236
2021-12-31 $4,797,113 6,349
2021-09-30 $298,380 400
2021-09-30 $400,575 537
2021-06-30 $4,399,212 6,828
2021-03-31 $3,699,468 6,477
2020-12-31 $236,673 406
2020-09-30 $2,803,586 5,439
2020-06-30 $1,288,100 2,853