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Oberweis Asset Management’s Federal Signal FSS Stock Holding History

Oberweis Asset 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 		$34.6M Buy
269,084
+1,450
+0.5% +$166K 0.71% 47
2026
Q1 		$28.9M Buy
267,634
+101,134
+61% +$11.4M 0.85% 32
2025
Q4 		$18.1M Hold
166,500
– – 0.66% 57
2025
Q3 		$19.8M Hold
166,500
– – 0.76% 50
2025
Q2 		$17.7M Sell
166,500
-63,330
-28% -$5.64M 0.77% 41
2025
Q1 		$16.9M Hold
229,830
– – 0.84% 39
2024
Q4 		$21.2M Buy
229,830
+40,100
+21% +$3.68M 1% 24
2024
Q3 		$17.7M Buy
189,730
+34,400
+22% +$3.14M 0.91% 28
2024
Q2 		$13M Buy
155,330
+27,500
+22% +$2.34M 0.8% 43
2024
Q1 		$10.8M Buy
127,830
+29,000
+29% +$2.27M 0.78% 46
2023
Q4 		$7.58M Buy
98,830
+7,430
+8% +$495K 0.71% 39
2023
Q3 		$5.46M Buy
91,400
+17,500
+24% +$1.06M 0.58% 59
2023
Q2 		$4.73M Buy
73,900
+15,600
+27% +$862K 0.58% 54
2023
Q1 		$3.16M Buy
58,300
+1,200
+2% +$62.8K 0.49% 57
2022
Q4 		$2.65M Buy
57,100
+12,100
+27% +$555K 0.56% 40
2022
Q3 		$1.68M Buy
+45,000
New +$1.77M 0.39% 52
2020
Q3 		– Sell
-12,300
Closed -$366K – 127
2020
Q2 		$366K Sell
12,300
-19,110
-61% -$541K 0.14% 99
2020
Q1 		$857K Buy
31,410
+3,000
+11% +$93.5K 0.47% 42
2019
Q4 		$916K Sell
28,410
-20,700
-42% -$675K 0.31% 83
2019
Q3 		$1.61M Sell
49,110
-20,100
-29% -$597K 0.36% 42
2019
Q2 		$1.85M Sell
69,210
-300
-0.4% -$7.87K 0.34% 40
2019
Q1 		$1.81M Buy
69,510
+58,600
+537% +$1.34M 0.36% 45
2018
Q4 		$217K Sell
10,910
-10,600
-49% -$241K 0.05% 189
2018
Q3 		$576K Buy
21,510
+3,100
+17% +$78.4K 0.11% 146
2018
Q2 		$429K Sell
18,410
-3,800
-17% -$88.4K 0.11% 173
2018
Q1 		$489K Sell
22,210
-2,700
-11% -$55.9K 0.13% 167
2017
Q4 		$500K Buy
+24,910
New +$523K 0.12% 163

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

Oberweis Asset Management's FSS Position: Q2 2026 in Review

Oberweis Asset Management increased its Federal Signal (FSS) stake by 0.54% in Q2 2026, buying an estimated $166K and bringing the position to 269,084 shares worth $34.6M. The position accounts for 0.71% of the portfolio, ranked #47.

Oberweis Asset Management first reported a position in FSS in Q4 2017 and has held it in 27 quarters since. 468 funds tracked by Wall St. Rank hold FSS as of Q2 2026.

  • Oberweis Asset Management held 269,084 shares of Federal Signal worth $34.6M as of Q2 2026.
  • Oberweis Asset Management bought 1,450 Federal Signal shares in Q2 2026, an estimated $166K.
  • Federal Signal made up 0.71% of Oberweis Asset Management's portfolio in Q2 2026, its #47 holding.
  • Oberweis Asset Management first reported a position in Federal Signal in Q4 2017 and has held it in 27 quarters since.
  • 468 funds tracked by Wall St. Rank held Federal Signal as of Q2 2026.

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