Mustard Seed Investor logo: a sprouting mustard seedMustard Seed Investor
← All stocks
FSSConsumer DiscretionaryCommon Stock

Federal Signal Corp

Held by 9 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 313855108 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide

Download report
In plain English: 9 of the investors we track own this stock. In the latest quarter, 2 of them bought more of it and 9 sold some or all of theirs (1 bought it for the first time). That tells you what they did last quarter — not what the stock will do next.

Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer

Managers holding
9
-2 vs last quarter (like-for-like)
Total value held
$381.66M
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.2%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
-$24.33M
-8.0% vs last quarter
Net shares bought
-634.7K
Est. net flow -$74.39M
Quarter activity
2 bought · 9 sold
1 new · 3 sold out

Tracked capital in this stock

Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).

Chart: Tracked capital in this stock

Aggregate buying and selling

Net share change reported each quarter

Chart: Aggregate buying and selling

Who owns FSS?

🔒 The 'who added and who trimmed' chart is a Plus feature

You're viewing the Free plan. Upgrade to unlock The 'who added and who trimmed' chart — every paid plan starts with a 7-day free trial, and you can cancel in two clicks.

See plans & upgrade Sign in

Who owns FSS? — Q2 2026

Holders ranked by position size, with each one's quarter-over-quarter change.

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

# Manager Fund Shares Value ↑ % of their portfolio QoQ Δ shares Δ shares % Est. Δ value ⓘChange in shares × this quarter's price
9 Chuck Royce Royce & Associates 16.92K $2.17M 0.0% New +16.9K — +$2.17M
8 Ken Griffin Citadel Advisors 27.94K $3.59M 0.0% Reduced -33.1K -54.2% -$4.25M
7 Ray Dalio Bridgewater Associates 45.15K $5.80M 0.0% Added +20.9K +86.0% +$2.68M
6 David Shaw D.E. Shaw & Co. 67.70K $8.70M 0.0% Reduced -59.7K -46.9% -$7.67M
5 Fred Alger Fred Alger Management 130.87K $16.81M 0.1% Reduced -375 -0.3% -$48.18K
4 Two Sigma Two Sigma Investments 206.97K $26.59M 0.0% Reduced -67.1K -24.5% -$8.62M
3 Mario Gabelli GAMCO Investors 316.29K $40.64M 0.4% Reduced -19.1K -5.7% -$2.45M
2 Norges Bank Norges Bank Investment Management 793.19K $101.92M 0.0% — — — —
1 Wasatch Advisors Wasatch Advisors LP 1.37M $175.43M 1.1% Reduced -141.2K -9.4% -$18.14M

Sold out completely this quarter

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

Manager Fund Shares sold Value last quarter ↓
Israel Englander Millennium Management -238.2K $25.76M
Jim Simons Renaissance Technologies -74.8K $8.09M
Steve Cohen Point72 Asset Management -38.9K $4.20M

Politician trades

Politician trades in FSS

CSV Excel
Column filters

Numbers accept 1.5M, 2B, 250K. Percent columns take percent (5 = 5%).

No politician trades match these filters.