XTX Topco’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
2026 Q1	–	Sell	-16,108	Closed	-$4.88M	–	3853
2025 Q4	$4.88M	Buy	+16,108	New	+$5.03M	0.13%	136
2025 Q3	–	Sell	-12,774	Closed	-$3.08M	–	2586
2025 Q2	$3.08M	Buy	12,774 +8,207	+180%	+$1.94M	0.13%	180
2025 Q1	$1.11M	Buy	4,567 +2,618	+134%	+$788K	0.06%	501
2024 Q4	$640K	Buy	+1,949	New	+$662K	0.05%	564
2024 Q3	–	Sell	-3,389	Closed	-$926K	–	2104
2024 Q2	$926K	Buy	+3,389	New	+$986K	0.08%	391
2024 Q1	–	Sell	-1,650	Closed	-$533K	–	1855
2023 Q4	$533K	Buy	+1,650	New	+$517K	0.12%	217
2023 Q3	–	Sell	-860	Closed	-$326K	–	1573
2023 Q2	$326K	Sell	860 -391	-31%	-$159K	0.06%	654
2023 Q1	$599K	Buy	+1,251	New	+$586K	0.13%	203
2022 Q4	–	Sell	-719	Closed	-$300K	–	1136
2022 Q3	$300K	Buy	+719	New	+$358K	0.07%	503
2021 Q3	–	Sell	-822	Closed	-$530K	–	702
2021 Q2	$530K	Buy	+822	New	+$500K	0.18%	156