Plexus
PLXS · NASDAQ
Who owns PLXS
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 52.3% of PLXS’s shares.
- BlackRock Institutional Trust Company, N.A.14.3%
- Vanguard Portfolio Management, LLC7.9%
- Disciplined Growth Investors, Inc.5.4%
- Vanguard Capital Management, LLC4.5%
- Next 6 largest institutions20.2%
- All other shareholders47.7%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 3.83M | 14.33% |
| Vanguard Portfolio Management, LLC | 2.11M | 7.89% |
| Disciplined Growth Investors, Inc. | 1.44M | 5.38% |
| Vanguard Capital Management, LLC | 1.21M | 4.51% |
| American Century Investment Management, Inc. | 1.18M | 4.43% |
| State Street Investment Management (US) | 1.10M | 4.09% |
| Dimensional Fund Advisors, L.P. | 832.84K | 3.11% |
| Geode Capital Management, L.L.C. | 801.52K | 3.00% |
| BNP Paribas Asset Management USA, Inc. | 755.56K | 2.82% |
| Fuller & Thaler Asset Management Inc. | 732.40K | 2.74% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.63M | 6.09% |
| Vanguard Total Stock Market Index Fund | 853.43K | 3.19% |
| iShares Russell 2000 ETF | 699.01K | 2.61% |
| Vanguard Small-Cap Index Fund | 615.27K | 2.30% |
| Fuller & Thaler Behavioral Small-Cap Equity Fund | 562.25K | 2.10% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $8.01M (31 trades) of PLXS on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Kelsey Todd P. | Sale | 1.50K | $363.62K |
| Abuhl David Westen | Option exercise | 2.50K | — |
| Abuhl David Westen | Tax withholding | 800 | $190.82K |
| Abuhl David Westen | Option exercise | 2.50K | — |
| Rapp Karen Marie | Sale | 500 | $120.43K |
| Kelsey Todd P. | Sale | 500 | $126.11K |
| Kelsey Todd P. | Sale | 681 | $170.99K |
| Kelsey Todd P. | Sale | 319 | $79.36K |
| SCHROCK MICHAEL V | Sale | 4.00K | $1.10M |
| Kelsey Todd P. | Sale | 1.00K | $261.07K |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Michael McCaulHouse | Sale | $50K–$100K | Mar 4, 2026 |
| Michael McCaulHouse | Sale | $50K–$100K | Jan 21, 2026 |
Short interest
Settled Sep 30, 2026
- Shares short
- 921.43K
- Days to cover
- 3.90
- % of shares outstanding
- 3.44%
- Average daily volume
- 236.53K
- Change since last report
- +5.2%
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