Federal Signal Corporation
Federal Signal Corporation (FSS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · FSS · as of Mar 31, 2025
Ownership Breakdown
394
Institutional Holders
▼ 4 vs Q4
$4.47B
Total Inst. Value
▼ $957.77M vs Q4
61.00M
Shares Outstanding
freeFloat 97.50%
60.74M
13F Shares Held
▲ 1.99M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
FSS largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. motor vehicles & passenger car bodies | 9.32M | 15.26% | 15.26% | $685.75B | May 2, 2025 | ▼ 407.9K |
VANGUARD GROUP INC motor vehicles & passenger car bodies | 7.16M | 11.72% | 11.72% | $526.75B | May 9, 2025 | ▼ 86.1K |
STATE STREET CORP motor vehicles & passenger car bodies | 2.26M | 3.70% | 3.70% | $166.12B | May 15, 2025 | ▼ 118.6K |
INVESCO LTD. motor vehicles & passenger car bodies | 1.95M | 3.19% | 3.19% | $143.27B | May 12, 2025 | ▼ 251.3K |
MACQUARIE GROUP LTD motor vehicles & passenger car bodies | 1.83M | 2.99% | 2.99% | $134.23B | Aug 14, 2025 | ▼ 156.1K |
GEODE CAPITAL MANAGEMENT, LLC motor vehicles & passenger car bodies | 1.69M | 2.77% | 2.77% | $124.46B | May 13, 2025 | ▲ 60.9K |
NEUBERGER BERMAN GROUP LLC motor vehicles & passenger car bodies | 1.42M | 2.32% | 2.32% | $104.20B | May 13, 2025 | ▼ 7.7K |
CONESTOGA CAPITAL ADVISORS, LLC motor vehicles & passenger car bodies | 1.38M | 2.26% | 2.26% | $101.39B | Apr 17, 2025 | ▼ 1.2K |
DIMENSIONAL FUND ADVISORS LP motor vehicles & passenger car bodies | 1.31M | 2.15% | 2.15% | $96.56B | May 13, 2025 | ▼ 146.2K |
CAPITAL WORLD INVESTORS motor vehicles & passenger car bodies | 1.29M | 2.12% | 2.12% | $95.22B | May 12, 2025 | ▲ 430.8K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
17
Increased
+2.86M shares2
New Positions
first time holders29
Decreased
−2.53M shares0
Sold Out
fully exitedNet shares change (top 50)
+331.5K
+2.86M / −2.53M
Net new holders
-10
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
FSS insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
8
Buy transactions
6
Sell transactions
1.33
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
SHERMAN JENNIFER L President & CEO | May 1, 2026 | Tax Withhold | 29,680 | $121.61 | $3.61M | 649.4K | Form 4 ↗ |
SHERMAN JENNIFER L President & CEO | May 4, 2026 | Tax Withhold | 7,695 | $117.49 | $904.1K | 641.7K | Form 4 ↗ |
Hudson Ian A. S.V.P. & CFO | May 4, 2026 | Tax Withhold | 1,657 | $117.49 | $194.7K | 96.7K | Form 4 ↗ |
WEBER MARK SVP & COO | May 4, 2026 | Tax Withhold | 2,278 | $117.49 | $267.6K | 86.5K | Form 4 ↗ |
Bonina Diane VP, Gen'l Counsel & Secretary | May 4, 2026 | Tax Withhold | 962 | $117.49 | $113.0K | 20.1K | Form 4 ↗ |
Workman John L director | Apr 21, 2026 | Award | 1,277 | — | — | 58.7K | Form 4 ↗ |
Vaillancourt Eric A. director | Apr 21, 2026 | Award | 1,277 | — | — | 1.3K | Form 4 ↗ |
Patel Shashank director | Apr 21, 2026 | Award | 1,277 | — | — | 11.9K | Form 4 ↗ |
Maue Richard A director | Apr 21, 2026 | Award | 1,277 | — | — | 3.3K | Form 4 ↗ |
Lowe Eugene Joseph III director | Apr 21, 2026 | Award | 1,277 | — | — | 22.6K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Federal Signal Corporation (FSS) is primarily owned by institutional investors, who hold approximately 99.6% of total shares outstanding. Company insiders own approximately 2.50%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Federal Signal Corporation is BLACKROCK, INC., holding approximately 9.32 million shares — equal to 15.26% of outstanding shares — as of March 31, 2025.
A total of 394 institutional investors currently hold FSS stock, with a combined institutional value of approximately $4.47 billion as of the most recent 13F filing period.
Frequently asked questions
FSS ownershipFederal Signal Corporation (FSS) is primarily owned by institutional investors, who hold approximately 99.6% of shares. The largest shareholder is BLACKROCK, INC. with a 15.26% stake. Company insiders hold 2.50%. Data sourced from SEC Form 13F as of March 31, 2025.