Campbell & Co Investment Adviser’s Protolabs PRLB Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$866K	Sell	15,188 -26,332	-63%	-$1.53M	0.05%	553
2025 Q4	$2.1M	Buy	41,520 +15,645	+60%	+$800K	0.1%	314
2025 Q3	$1.29M	Sell	25,875 -7,596	-23%	-$348K	0.1%	327
2025 Q2	$1.34M	Buy	+33,471	New	+$1.25M	0.08%	381
2025 Q1	–	Sell	-16,258	Closed	-$636K	–	1277
2024 Q4	$636K	Buy	16,258 +6,847	+73%	+$246K	0.05%	567
2024 Q3	$276K	Sell	9,411 -4,616	-33%	-$141K	0.02%	931
2024 Q2	$433K	Buy	14,027 +4,077	+41%	+$129K	0.04%	704
2024 Q1	$356K	Sell	9,950 -534	-5%	-$19.3K	0.03%	838
2023 Q4	$408K	Sell	10,484 -3,167	-23%	-$103K	0.04%	805
2023 Q3	$360K	Buy	+13,651	New	+$412K	0.04%	652
2023 Q1	–	Sell	-8,070	Closed	-$206K	–	991
2022 Q4	$206K	Buy	+8,070	New	+$240K	0.05%	684
2022 Q3	–	Sell	-4,857	Closed	-$232K	–	884
2022 Q2	$232K	Buy	+4,857	New	+$225K	0.06%	554
2018 Q4	–	Sell	-4,494	Closed	-$727K	–	470
2018 Q3	$727K	Buy	+4,494	New	+$636K	0.49%	28