Magnetar Financial’s Bio-Rad Laboratories Class A BIO Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-10,425	Closed	-$2.92M	–	950
2025 Q3	$2.92M	Buy	+10,425	New	+$2.84M	0.02%	310
2024 Q4	–	Sell	-3,283	Closed	-$1.1M	–	621
2024 Q3	$1.1M	Buy	+3,283	New	+$1.04M	0.02%	278
2024 Q1	–	Sell	-4,336	Closed	-$1.4M	–	380
2023 Q4	$1.4M	Buy	4,336 +2,163	+100%	+$678K	0.04%	232
2023 Q3	$779K	Sell	2,173 -734	-25%	-$283K	0.02%	277
2023 Q2	$1.1M	Buy	+2,907	New	+$1.18M	0.02%	264
2022 Q1	–	Sell	-1,220	Closed	-$922K	–	1338
2021 Q4	$922K	Buy	+1,220	New	+$913K	0.01%	826
2021 Q2	–	Sell	-2,549	Closed	-$1.46M	–	1213
2021 Q1	$1.46M	Buy	+2,549	New	+$1.51M	0.01%	622
2020 Q4	–	Sell	-414	Closed	-$213K	–	731
2020 Q3	$213K	Sell	414 -1,640	-80%	-$831K	﹤0.01%	598
2020 Q2	$927K	Buy	+2,054	New	+$906K	0.03%	195
2019 Q2	–	Sell	-737	Closed	-$225K	–	452
2019 Q1	$225K	Sell	737 -3,726	-83%	-$1.01M	0.01%	363
2018 Q4	$1.04M	Buy	+4,463	New	+$1.2M	0.03%	117
2018 Q1	–	Sell	-2,231	Closed	-$532K	–	590
2017 Q4	$532K	Sell	2,231 -3,568	-62%	-$865K	0.01%	378
2017 Q3	$1.29M	Buy	5,799 +1,676	+41%	+$377K	0.02%	224
2017 Q2	$933K	Buy	4,123 +1,941	+89%	+$423K	0.02%	382
2017 Q1	$435K	Buy	+2,182	New	+$420K	0.01%	499
2016 Q3	–	Sell	-2,752	Closed	-$394K	–	546
2016 Q2	$394K	Buy	2,752 +961	+54%	+$137K	0.01%	261
2016 Q1	$245K	Buy	+1,791	New	+$235K	﹤0.01%	336
2013 Q4	–	Sell	-4,842	Closed	-$569K	–	246
2013 Q3	$569K	Buy	+4,842	New	+$571K	0.02%	376