Tamarack Advisers, LP

Holdings History for BIO-RAD LABORATORIES, INC. - Class B Common Stock (BIO)

Symbol: BIO on NYSE
Investment type: Equity / Class B Common Stock

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
30 Sep 2023		-0.58%	$0	0	-2,000	-100%	$270.67	Q3 2023
30 Jun 2023	0.58%	+0.29%	$758,240	2,000	+1,000	+100%	$379.12	Q2 2023
31 Mar 2023	0.37%	+0.37%	$479,020	1,000	+1,000	NEW	$479.02	Q1 2023
31 Dec 2022		-0.49%	$0	0	-2,000	-100%	$270.67	Q4 2022
30 Sep 2022	0.49%	+0.49%	$834,000	2,000	+2,000	NEW	$417.00	Q3 2022
30 Sep 2021		-0.18%	$0	0	-1,000	-100%	$270.67	Q3 2021
30 Jun 2021	0.18%	+0.18%	$644,000	1,000	+1,000	NEW	$644.00	Q2 2021
31 Dec 2020		-2.4%	$0	0	-15,000	-100%	$270.67	Q4 2020
30 Sep 2020	2.4%	-2.4%	$7,732,000	15,000	-15,000	-50%	$515.47	Q3 2020
30 Jun 2020	3.9%	-1.3%	$13,545,000	30,000	-10,000	-25%	$451.50	Q2 2020
31 Mar 2020	5.4%	-8.1%	$14,022,000	40,000	-60,000	-60%	$350.55	Q1 2020
31 Dec 2019	8.4%	-1.3%	$36,670,000	100,000	-15,000	-13%	$366.70	Q4 2019
30 Sep 2019	10%	+1.3%	$38,265,000	115,000	+15,000	+15%	$332.74	Q3 2019
30 Jun 2019	9.4%	+3.3%	$30,931,000	100,000	+35,000	+54%	$309.31	Q2 2019
31 Mar 2019	7.9%	+0.61%	$19,869,000	65,000	+5,000	+8.3%	$305.68	Q1 2019
31 Dec 2018	5.7%	-0.47%	$13,933,000	60,000	-5,000	-7.7%	$232.22	Q4 2018
30 Sep 2018	5.8%	+0.9%	$20,344,000	65,000	+10,000	+18%	$312.98	Q3 2018
30 Jun 2018	5.3%	+1.7%	$15,870,000	55,000	+17,100	+45%	$288.55	Q2 2018
31 Mar 2018	4.5%	+4.5%	$9,478,000	37,900	+37,900	NEW	$250.08	Q1 2018
31 Mar 2017		-6.4%	$0	0	-49,000	-100%	$270.67	Q1 2017
31 Dec 2016	6.4%	-7.7%	$8,932,000	49,000	-59,000	-55%	$182.29	Q4 2016
30 Sep 2016	5.6%	+2%	$17,513,000	108,000	+38,000	+54%	$162.16	Q3 2016
30 Jun 2016	3.9%	-1.7%	$10,011,000	70,000	-30,000	-30%	$143.01	Q2 2016
31 Mar 2016	4.8%	-1.2%	$13,672,000	100,000	-25,000	-20%	$136.72	Q1 2016
31 Dec 2015	3.3%	0%	$17,333,000	125,000	0		$138.66	Q4 2015

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.