Plexus Corp. (PLXS) Ownership
PLXS ownership summary
as of October 18, 2026- Institutions
- 104.2% of shares outstanding
- Insiders
- 1.43% of shares outstanding
- Shares outstanding
- 26.7M
- Float
- 26.3M shares available to trade
- Short interest
- 5.00% 921K shares short
- Days to cover
- 4.22 short interest up 5.2% vs prior month
- Institutions 104.23%
- Insiders 1.43%
PLXS top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 16.37% | 4.4M | $1.01B | +87,096 (+2.0%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 7.92% | 2.1M | $486.4M | −144,414 (−6.4%) | June 30, 2026 |
| 3 | Disciplined Growth Investors Inc | 5.41% | 1.4M | $332.1M | −53,684 (−3.6%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 4.53% | 1.2M | $278.1M | +8,452 (+0.7%) | June 30, 2026 |
| 5 | American Century Companies Inc | 4.44% | 1.2M | $272.9M | −378,214 (−24.2%) | June 30, 2026 |
| 6 | State Street Corp | 4.11% | 1.1M | $252.4M | +47,382 (+4.5%) | June 30, 2026 |
| 7 | Dimensional Fund Advisors, Inc. | 3.12% | 833K | $191.9M | −286,529 (−25.6%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 3.01% | 802K | $184.7M | +121,486 (+17.9%) | June 30, 2026 |
| 9 | BNP Paribas Investment Partners SA | 2.86% | 762K | $175.6M | −154,829 (−16.9%) | June 30, 2026 |
| 10 | Fuller & Thaler Asset Management Inc | 2.75% | 732K | $168.8M | +143,619 (+24.4%) | June 30, 2026 |
| 11 | Earnest Partners LLC | 2.36% | 628K | $144.8M | −24,242 (−3.7%) | June 30, 2026 |
| 12 | T. Rowe Price Associates, Inc. | 2.20% | 587K | $135.3M | +508,075 (+644.6%) | June 30, 2026 |
| 13 | AllianceBernstein L.P. | 2.15% | 573K | $132.1M | −56,793 (−9.0%) | June 30, 2026 |
| 14 | JPMorgan Chase & Co | 1.67% | 446K | $102.7M | +293,812 (+193.5%) | June 30, 2026 |
| 15 | Charles Schwab Investment Management Inc | 1.40% | 372K | $85.8M | −13,986 (−3.6%) | June 30, 2026 |
| 16 | Nuveen, LLC | 1.38% | 368K | $84.9M | +5,873 (+1.6%) | June 30, 2026 |
| 17 | Morgan Stanley - Brokerage Accounts | 1.31% | 349K | $80.4M | −79,212 (−18.5%) | June 30, 2026 |
| 18 | Northern Trust Corp | 1.23% | 328K | $75.5M | +10,905 (+3.4%) | June 30, 2026 |
| 19 | Westfield Capital Management Company, L.P. | 1.21% | 322K | $74.2M | −62,685 (−16.3%) | June 30, 2026 |
| 20 | Victory Capital Management Inc. | 1.18% | 316K | $72.8M | −97,961 (−23.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 1.2M shares and 11 cut 1.4M.
PLXS top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.96% | 1.6M | $365.9M | +336 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.20% | 852K | $196.5M | −1,020 (−0.1%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.63% | 702K | $161.8M | −8,064 (−1.1%) | September 30, 2026 |
| 4 | FullerThaler Behavioral Sm-Cp Eq R6 | 2.63% | 700K | $161.3M | +137,597 (+24.5%) | June 30, 2026 |
| 5 | Vanguard Small Cap Index | 2.25% | 600K | $138.2M | −16,319 (−2.6%) | September 30, 2026 |
| 6 | Vanguard Information Technology ETF | 1.74% | 464K | $106.8M | +1,065 (+0.2%) | September 30, 2026 |
| 7 | BNP Paribas Disrpt Tech Cl D | 1.52% | 406K | $93.5M | −92 (−0.0%) | August 31, 2026 |
| 8 | Vanguard MStar Small Cap Value Index | 1.46% | 390K | $90.0M | −539 (−0.1%) | September 30, 2026 |
| 9 | Fidelity Small Cap Index | 1.11% | 296K | $68.3M | +2,521 (+0.9%) | July 31, 2026 |
| 10 | American Century Small Cap Growth Inv | 1.05% | 281K | $64.8M | −91,761 (−24.6%) | September 30, 2026 |
| 11 | iShares Russell 2000 Growth ETF | 0.95% | 254K | $58.5M | −321 (−0.1%) | September 30, 2026 |
| 12 | State Street SPDR Port S&P 600 Sm CpETF | 0.91% | 243K | $55.9M | — | September 30, 2026 |
| 13 | Harbor Small Cap Value Instl | 0.89% | 237K | $54.6M | −4,583 (−1.9%) | September 30, 2026 |
| 14 | Invesco S&P SmallCap Momentum ETF | 0.71% | 189K | $43.6M | — | September 30, 2026 |
| 15 | Thrivent Small Cap Stock A | 0.69% | 184K | $42.3M | −857 (−0.5%) | August 31, 2026 |
| 16 | Fidelity Enhanced Small Cap Core ETF | 0.69% | 183K | $42.1M | +381 (+0.2%) | September 30, 2026 |
| 17 | Avantis US Small Cap Value ETF | 0.67% | 177K | $40.9M | — | September 30, 2026 |
| 18 | BNP Paribas US Small Cap ClassicC | 0.66% | 176K | $40.5M | −336 (−0.2%) | August 31, 2026 |
| 19 | Vanguard Tax-Managed Small Cap Adm | 0.64% | 169K | $39.0M | — | September 30, 2026 |
| 20 | Victory Sycamore Small Company Opp R | 0.60% | 161K | $37.1M | −19,000 (−10.6%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
PLXS insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-15 | Todd P Kelsey | Sell | $224.09 | 1,500 | $336,135 |
| 2026-03-18 | Todd P Kelsey | Sell | $194.24 | 1,500 | $291,360 |
| 2026-02-27 | Karen Marie Rapp | Sell | $195.59 | 500 | $97,795 |
| 2026-02-18 | Oliver K Mihm | Sell | $201.40 | 9,541 | $1.9M |
| 2026-02-18 | Todd P Kelsey | Sell | $195.78 | 5,231 | $1.0M |
| 2026-02-17 | Oliver K Mihm | Sell | $198.78 | 2,226 | $442,484 |
| 2026-02-12 | Frank Zycinski | Sell | $205.99 | 1,399 | $288,180 |
| 2026-02-12 | Patrick John Jermain | Sell | $201.12 | 2,321 | $466,800 |
| 2026-02-12 | Michael T. McCaul | Sell | $199.08 | — | — |
| 2026-02-05 | Angelo Michael Ninivaggi Jr | Sell | $203.06 | 4,303 | $873,767 |
| 2026-02-04 | Patrick John Jermain | Sell | $204.09 | 3,587 | $732,071 |
| 2026-02-04 | Michael T. McCaul | Sell | $196.28 | — | — |
| 2026-02-03 | Patrick John Jermain | Sell | $204.01 | 4,841 | $987,612 |
| 2026-02-03 | Todd P Kelsey | Sell | $205.65 | 8,120 | $1.7M |
| 2026-02-02 | Dean A Foate | Sell | $204.89 | 5,000 | $1.0M |
| 2026-02-02 | Michael J Running | Sell | $204.92 | 926 | $189,756 |
| 2026-01-21 | Michael T. McCaul | Sell | $181.45 | — | — |
| 2025-11-28 | Karen Marie Rapp | Sell | $143.47 | 500 | $71,735 |
| 2025-11-26 | Angelo Michael Ninivaggi Jr | Sell | $144.93 | 1,347 | $195,221 |
| 2025-11-25 | Oliver K Mihm | Sell | $143.18 | 2,327 | $333,180 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
PLXS shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns PLXS
Institutional investors own 104.2% of Plexus's shares and insiders 1.43%. The largest holder is BlackRock Inc with 16.37% of the shares (4.4M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 11 reduced their stake in the latest filings. Short interest is 5.00% of the float, or 4.22 days of average trading volume. The share count fell 20.6% since 2014.
Related: PLXS analyst forecast, PLXS key metrics. See the PLXS stock overview for the latest quote and news.
PLXS ownership FAQ
Who owns the most Plexus stock?
The largest shareholders of Plexus are BlackRock Inc (16.37%), Vanguard Portfolio Management, LLC (7.92%), Disciplined Growth Investors Inc (5.41%), Vanguard Capital Management, LLC (4.53%), American Century Companies Inc (4.44%).
What percentage of Plexus is owned by institutions?
Institutions hold 104.2% of Plexus's shares outstanding; insiders hold 1.43%.
Which funds own Plexus?
The largest fund holders of Plexus are iShares Core S&P Small-Cap ETF (5.96%), Vanguard MStar Total Stk Mkt Idx Invest (3.20%), iShares Russell 2000 ETF (2.63%), FullerThaler Behavioral Sm-Cp Eq R6 (2.63%), Vanguard Small Cap Index (2.25%).
What is Plexus's short interest?
921K shares of Plexus were sold short, 5.00% of the float; at the average daily volume it would take 4.22 days to cover.
Are insiders buying or selling Plexus?
Of the latest 20 reported insider transactions in Plexus (since November 25, 2025), 0 were purchases and 20 were sales.
How many shares of Plexus are outstanding?
Plexus has 26.7M shares outstanding, of which 26.3M are in the public float.