DCM
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Driehaus Capital Management’s Federal Signal FSS Stock Holding History

Driehaus Capital Management’s Portfolio FSS Stock Details FSS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$36.8M Sell
286,189
-53,253
-16% -$6.11M 0.21% 148
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 – 526
2013
Q4 		$1.36M Sell
92,537
-30,319
-25% -$432K 0.05% 370
2013
Q3 		$1.58M Buy
+122,856
New +$1.35M 0.06% 305

Other funds holding FSS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Driehaus Capital Management's FSS Position: Q2 2026 in Review

Driehaus Capital Management reduced its Federal Signal (FSS) stake by 16% in Q2 2026, selling an estimated $6.11M and leaving 286,189 shares worth $36.8M. The position accounts for 0.21% of the portfolio, ranked #148.

Driehaus Capital Management first reported a position in FSS in Q3 2013 and has held it in 27 quarters since. The position peaked at $79.1M in Q3 2024. 469 funds tracked by Wall St. Rank hold FSS as of Q2 2026.

  • Driehaus Capital Management held 286,189 shares of Federal Signal worth $36.8M as of Q2 2026.
  • Driehaus Capital Management sold 53,253 Federal Signal shares in Q2 2026, an estimated $6.11M.
  • Federal Signal made up 0.21% of Driehaus Capital Management's portfolio in Q2 2026, its #148 holding.
  • Driehaus Capital Management first reported a position in Federal Signal in Q3 2013 and has held it in 27 quarters since.
  • Driehaus Capital Management's Federal Signal position peaked at $79.1M in Q3 2024.
  • 469 funds tracked by Wall St. Rank held Federal Signal as of Q2 2026.

Based on Driehaus Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.