Plexus Corp
Ownership
Ownership Structure
Who owns Plexus Corp (PLXS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.6% of the shares are freely tradable; institutional investors hold 104.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 16.04 | 4,275,264 | -1.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 8.46 | 2,254,757 | +0.0 | 03/31/2026 |
| Disciplined Growth Investors Inc | 5.41 | 1,440,935 | -3.6 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.50 | 1,198,201 | +0.0 | 03/31/2026 |
| American Century Companies Inc | 4.44 | 1,184,217 | -24.2 | 06/30/2026 |
| State Street Corp | 3.93 | 1,047,835 | +1.7 | 03/31/2026 |
| BNP Paribas Investment Partners SA | 3.44 | 916,755 | -8.9 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 3.12 | 832,842 | -25.6 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.12 | 1,629,865 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.20 | 853,434 | +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 |
|---|---|---|---|---|---|
| Kelsey Todd P. | President & CEO | 65,888 | 16,188,682 $ | Aug 19, 2026 | direct |
| Schrock Michael V | Director | 40,329 | 9,908,835 $ | Aug 11, 2026 | direct |
| Rapp Karen Marie | Director | 7,535 | 1,851,350 $ | Aug 31, 2026 | direct |
| Abuhl David Westen | Sr. VP & CFO | 1,700 | 417,690 $ | Sep 15, 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 15, 2026 | Abuhl David Westen | Sr. VP & CFO | Other | 800 | 238.53 | 190,824 |
| Sep 15, 2026 | Abuhl David Westen | Sr. VP & CFO | Other | 2,500 | – | – |
| Aug 31, 2026 | Rapp Karen Marie | Director | Sell | 500 | 240.87 | 120,435 |
| Aug 19, 2026 | Kelsey Todd P. | President & CEO | Sell | 500 | 252.23 | 126,115 |
| Aug 19, 2026 | Kelsey Todd P. | President & CEO | Sell | 681 | 251.09 | 170,989 |
| Aug 19, 2026 | Kelsey Todd P. | President & CEO | Sell | 319 | 248.79 | 79,364 |
| Aug 11, 2026 | Schrock Michael V | Director | Sell | 4,000 | 275.00 | 1,100,000 |
| Jul 15, 2026 | Kelsey Todd P. | President & CEO | Sell | 1,000 | 261.07 | 261,070 |
| Jul 15, 2026 | Kelsey Todd P. | President & CEO | Sell | 500 | 260.51 | 130,255 |
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.