Flowserve Corporation
Ownership
Ownership Structure
Who owns Flowserve Corporation (FLS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.3% of the shares are freely tradable; institutional investors hold 104.1%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.36 | 13,172,931 | +12.8 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.87 | 6,191,888 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.49 | 5,703,927 | +0.0 | 03/31/2026 |
| D1 Capital Partners L.P. | 3.91 | 4,968,713 | -15.4 | 06/30/2026 |
| UBS Group AG | 3.77 | 4,795,339 | +33.5 | 03/31/2026 |
| State Street Corp | 3.25 | 4,126,005 | +2.9 | 03/31/2026 |
| Massachusetts Financial Services Company | 2.87 | 3,646,433 | -4.8 | 03/31/2026 |
| FMR Inc | 2.81 | 3,571,165 | -6.2 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.52 | 4,476,109 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.20 | 4,067,526 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Hudson Susan Claire | Chief Legal Officer | 24,889 | 1,834,319 $ | Sep 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | Hudson Susan Claire | Chief Legal Officer | Other | 31 | 79.09 | 2,452 |
| Aug 3, 2026 | Hudson Susan Claire | Chief Legal Officer | Other | 48 | 75.99 | 3,648 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.