Federal Signal
451 hedge funds and large institutions have $6.45B invested in Federal Signal in 2026 Q1 according to their latest regulatory filings, with 82 funds opening new positions, 157 increasing their positions, 148 reducing their positions, and 46 closing their positions.
271% more call options, than puts
Call options by funds: $2.65M | Put options by funds: $714K
78% more first-time investments, than exits
New positions opened: 82 | Existing positions closed: 46
25% more funds holding in top 10
Funds holding in top 10: 4 → 5 (+1)
7% more funds holding
Funds holding: 422 → 451 (+29)
6% more repeat investments, than reductions
Existing positions increased: 157 | Existing positions reduced: 148
2% less capital invested
Capital invested by funds: $6.56B → $6.45B (-$114M)
1.42% less ownership
Funds ownership: 99.34% → 97.92% (-1.4%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VNIM
Vaughan Nelson Investment Management
Houston,
Texas
|
+$60.4M |
| 2 |
GKIM
GW&K Investment Management
Boston,
Massachusetts
|
+$44.5M |
| 3 |
GC
Greenvale Capital
London,
United Kingdom
|
+$28.8M |
| 4 |
CC
Congruence Capital
Los Angeles,
California
|
+$20.3M |
| 5 |
Capital Research Global Investors
Los Angeles,
California
|
+$20M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
-$166M |
| 2 |
WA
Wasatch Advisors
Salt Lake City,
Utah
|
-$21.4M |
| 3 |
Capital World Investors
Los Angeles,
California
|
-$20M |
| 4 |
Tudor Investment Corp
Stamford,
Connecticut
|
-$19.1M |
| 5 |
PAM
PineStone Asset Management
Montreal,
Quebec, Canada
|
-$18.3M |
FSS Hedge Fund Activity: Q1 2026 in Review
451 institutional investors reported a position in Federal Signal (FSS) for Q1 2026, worth a combined $6.45B — down 1.7% from $6.56B a quarter earlier.
Buyers outnumbered sellers: 82 funds opened new FSS positions and 46 closed out — a net gain of 36 holders — while 157 added to existing stakes and 148 trimmed.
The largest buyer was Vaughan Nelson Investment Management, opening a new position worth an estimated $60.4M. The largest seller was Invesco, cutting an estimated $166M.
- 451 institutional investors held Federal Signal (FSS) as of Q1 2026, up from 422 in Q4 2025.
- Funds reported $6.45B of Federal Signal stock for Q1 2026, down 1.7% quarter-over-quarter.
- 82 funds opened new Federal Signal positions in Q1 2026 and 46 closed out, a net change of +36 holders.
- The largest Federal Signal buyer in Q1 2026 was Vaughan Nelson Investment Management, an estimated $60.4M added.
- The largest Federal Signal seller in Q1 2026 was Invesco, an estimated $166M sold.
Based on aggregated 13F filings for Q1 2026.