Driehaus Capital Management’s Federal Signal FSS Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$36.7M	Sell	339,442 -2,182	-0.6%	-$247K	0.27%	132
2025 Q4	$37.1M	Sell	341,624 -102,961	-23%	-$11.8M	0.25%	131
2025 Q3	$52.9M	Buy	444,585 +1,197	+0.3%	+$144K	0.38%	85
2025 Q2	$47.2M	Buy	443,388 +13,941	+3%	+$1.24M	0.38%	86
2025 Q1	$31.6M	Sell	429,447 -166,533	-28%	-$14.9M	0.3%	106
2024 Q4	$55.1M	Sell	595,980 -250,090	-30%	-$23M	0.45%	77
2024 Q3	$79.1M	Sell	846,070 -66,322	-7%	-$6.06M	0.68%	35
2024 Q2	$76.3M	Buy	912,392 +153,765	+20%	+$13.1M	0.74%	31
2024 Q1	$64.4M	Sell	758,627 -105,209	-12%	-$8.24M	0.64%	36
2023 Q4	$66.3M	Buy	863,836 +28,232	+3%	+$1.88M	0.8%	25
2023 Q3	$49.9M	Sell	835,604 -844	-0.1%	-$51.1K	0.65%	35
2023 Q2	$53.6M	Buy	836,448 +22,427	+3%	+$1.24M	0.68%	32
2023 Q1	$44.1M	Buy	814,021 +394,482	+94%	+$20.6M	0.62%	33
2022 Q4	$19.5M	Buy	419,539 +273,799	+188%	+$12.6M	0.29%	116
2022 Q3	$5.44M	Buy	+145,740	New	+$5.73M	0.08%	263
2020 Q2	–	Sell	-177,575	Closed	-$4.84M	–	421
2020 Q1	$4.84M	Sell	177,575 -88,354	-33%	-$2.75M	0.16%	147
2019 Q4	$8.58M	Buy	265,929 +60,705	+30%	+$1.98M	0.23%	114
2019 Q3	$6.72M	Buy	+205,224	New	+$6.1M	0.22%	122
2018 Q4	–	Sell	-79,872	Closed	-$2.14M	–	443
2018 Q3	$2.14M	Sell	79,872 -37,799	-32%	-$955K	0.07%	278
2018 Q2	$2.74M	Buy	117,671 +35,315	+43%	+$821K	0.09%	236
2018 Q1	$1.81M	Sell	82,356 -145,674	-64%	-$3.01M	0.06%	275
2017 Q4	$4.58M	Sell	228,030 -95,474	-30%	-$2M	0.17%	157
2017 Q3	$6.88M	Buy	323,504 +33,150	+11%	+$620K	0.27%	101
2017 Q2	$5.04M	Buy	+290,354	New	+$4.55M	0.19%	126
2014 Q1	–	Sell	-92,537	Closed	-$1.36M	–	527
2013 Q4	$1.36M	Sell	92,537 -30,319	-25%	-$432K	0.05%	370
2013 Q3	$1.58M	Buy	+122,856	New	+$1.35M	0.07%	305