Form 13-F position report

BIO-RAD LABS CL A

Reported by RK Asset Management LLC

BIO CUSIP 090572207 Manager CIK 0001595686

First reported at 15,537 shares this quarter.

New
% of reported 13F value 4.0% This manager · Q3 2024
Shares 15,537 Quarter-end amount reported
Reported value $5,198,000 Fair value at quarter end
Consecutive quarters held 1 Through Q3 2024

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2024-09-30 5198000
2024-12-31 4805000
2025-03-31 3505000
2025-06-30 3501000
2025-09-30 4070000
2025-12-31 4415000

Quarterly position history

How this manager's reported quarter-end position changed over time.

6 quarters
Quarterly reported position history for BIO-RAD LABS CL A held by RK Asset Management LLC.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q4 2025 Added 14,573 +71 (0.5%) 4.17% $4,415,000 2026-01-05
Q3 2025 Unchanged 14,502 0 (0.0%) 3.7% $4,070,000 2025-10-14
Q2 2025 Added 14,502 +113 (0.8%) 3.37% $3,501,000 2025-07-18
Q1 2025 Reduced 14,389 -237 (-1.6%) 3.24% $3,505,000 2025-04-02
Q4 2024 Reduced 14,626 -911 (-5.9%) 3.93% $4,805,000 2025-01-03
Q3 2024 New 15,537 +15,537 (0.0%) 4.0% $5,198,000 2024-10-07

Who else reported the position

508 managers reported BIO-RAD LABS CL A for Q3 2024.

Managers reporting BIO-RAD LABS CL A in Q3 2024.
Manager Activity Shares Change % of reported 13F Reported value Tenure
BlackRock Inc New 1,929,901 +1,929,901 0.01% $645,706,179 1 qtr
VANGUARD GROUP INC Reduced 1,907,640 -466,867 0.01% $638,258,190 46 qtrs
VAN ECK ASSOCIATES CORP Added 1,303,752 +644,530 0.55% $436,861,000 2 qtrs
Veritas Asset Management LLP Reduced 1,086,479 -42,332 2.69% $363,514,144 10 qtrs
First Eagle Investment Management LLC Added 713,000 +76,725 0.49% $238,555,540 6 qtrs
Select Equity Group L P Added 708,452 +58,930 0.85% $237,033,870 6 qtrs
DIMENSIONAL FUND ADVISORS LP Added 654,429 +159,825 0.05% $218,955,422 46 qtrs
STATE STREET CORPORATION Reduced 635,916 -223,975 < 0.01% $212,764,775 36 qtrs
EARNEST PARTNERS LLC Reduced 605,549 -1,239 0.88% $202,604,584 44 qtrs
MILLENNIUM MANAGEMENT LLC Added 583,800 +575,643 0.09% $195,327,804 46 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
September 30, 2024
Filed
October 07, 2024
Filing type
13F-HR
Position type
COM

Voting authority reported

Sole
15,537
Shared
0
None
0

“None” means the manager reported no voting authority for those shares on non-routine matters. It does not disclose why and is not evidence of securities lending.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.