Stocks › PLXS
PLEXUS CORP
PLXS·Nasdaq·
United States·USD
United States·USD$272.63
-0.55 (-0.20%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
PLXS
PLEXUS CORP · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
PLXSS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of PLXS by members of U.S. Congress · 39 on record · 5 in the last 12 months
Whale Activity
Position changes in PLXS reported for 2026-06-30 by 11 tracked institutional filers
- Increased4
- New0
- Held0
- Decreased4
- Closed0
- No prior filing3
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 4.4M | $1.31B | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.1M | $634.5M | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $362.8M | increased |
| FULLER & THALER ASSET MANAGEMENT, INC. | 732.4K | $220.2M | — |
| MILLENNIUM MANAGEMENT LLC | 107.3K | $32.3M | decreased |
| D. E. Shaw & Co., Inc. | 96.4K | $29.0M | decreased |
| CITADEL ADVISORS LLC | 70.4K | $21.2M | increased |
| RENAISSANCE TECHNOLOGIES LLC | 64.7K | $19.5M | increased |
| TWO SIGMA INVESTMENTS, LP | 36.8K | $11.1M | decreased |
| Informed Momentum Co LLC | 22.1K | $6.6M | — |
| Argos Wealth Advisors, LLC | 4,955 | $1.5M | — |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by PLXS insiders, by quarter · Form 4
Recent Insider Transactions
2,531 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Kelsey Todd P.President & CEO · Director | Sale | −1,500 | $242.41 | $364K | Sep 16, 2026 | Form 4 ↗ |
| Rapp Karen MarieDirector · Director | Sale | −500 | $240.87 | $120K | Aug 31, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −681 | $251.09 | $171K | Aug 19, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −500 | $252.23 | $126K | Aug 19, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −319 | $248.79 | $79K | Aug 19, 2026 | Form 4 ↗ |
| SCHROCK MICHAEL VDirector · Director | Sale | −4,000 | $275.00 | $1.1M | Aug 11, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −500 | $260.51 | $130K | Jul 15, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −1,000 | $261.07 | $261K | Jul 15, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −352 | $296.09 | $104K | Jun 17, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −748 | $295.15 | $221K | Jun 17, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −300 | $294.19 | $88K | Jun 17, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −100 | $292.11 | $29K | Jun 17, 2026 | Form 4 ↗ |
| Running Michael J.Regional President - AMER | Sale | −510 | $272.17 | $139K | Jun 5, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −1,000 | $290.00 | $290K | Jun 3, 2026 | Form 4 ↗ |
| Rapp Karen MarieDirector | Sale | −500 | $270.00 | $135K | Jun 1, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −1,000 | $274.75 | $275K | May 27, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −800 | $253.26 | $203K | May 20, 2026 | Form 4 ↗ |
| Kelsey Todd P.President & CEO · Director | Sale | −700 | $252.20 | $177K | May 20, 2026 | Form 4 ↗ |
| Tan Victor (Pang Hau)Regional President - APAC | Sale | −3,000 | $271.23 | $814K | May 11, 2026 | Form 4 ↗ |
| Ninivaggi Angelo Michael JrEVP, Chief Legal & PAO & Secy | Sale | −224 | $266.01 | $60K | May 8, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding PLXS · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF iShares Trust | 1.6M | $484.6M | 0.44% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 850.6K | $255.8M | 0.01% | Jun 30, 2026 |
| FULLERTHALER BEHAVIORAL SMALL CAP EQUITY Capitol Series Trust | 699.8K | $210.4M | 1.66% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 695.8K | $209.2M | 0.25% | Jun 30, 2026 |
| Avantis U.S. Small Cap Value ETF American Century ETF Trust | 698.7K | $187.5M | 0.69% | May 31, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 613.9K | $184.6M | 0.10% | Jun 30, 2026 |
| VANGUARD INFORMATION TECHNOLOGY INDEX FUND VANGUARD WORLD FUND | 562.2K | $150.9M | 0.09% | May 31, 2026 |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 388.7K | $116.9M | 0.17% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 306.8K | $92.2M | 0.09% | Jun 30, 2026 |
| Small Cap Growth Fund American Century Mutual Funds, Inc. | 316.4K | $79.5M | 1.43% | Jul 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list PLXS's shares (CUSIP 729132100), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
No 13D/13G beneficial-ownership filings on record.
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming plexus as client
- MICHAEL BEST STRATEGIES LLCPLEXUS CORP · 2026 Q2 · DEF, MAN$50K
Filing ↗ - MICHAEL BEST STRATEGIES LLCPLEXUS CORP · 2026 Q1 · DEF, MAN$50K
Filing ↗ - MICHAEL BEST STRATEGIES LLCPLEXUS CORP · 2025 Q4 · MAN, DEF$50K
Filing ↗ - MICHAEL BEST STRATEGIES LLCPLEXUS CORP · 2025 Q3 · DEF, MAN$50K
Filing ↗ - MICHAEL BEST STRATEGIES LLCPLEXUS CORP · 2025 Q3 · DEF, MAN—
Filing ↗
Government Contracts
Federal awards to PLEXUS CORP · USAspending
No federal contract awards found for PLEXUS CORP.
U.S. Patents
Recent USPTO applications naming PLEXUS CORP
No USPTO patent applications found for PLEXUS CORP.
Annual Financials
From PLXS's 10-K filings · XBRL
No annual XBRL figures on record for PLXS. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 2-for-1Stock splitSep 1, 2000
- 2-for-1Stock splitAug 26, 1997
Split dates and ratios from the price history · Close Prices from Tiingo.com
About PLEXUS CORP
From SEC EDGAR company records
Industry (SIC 3672)Printed Circuit Boards
SectorTechnology
HeadquartersNEENAH, WI
IncorporatedWI
SEC CIK0000785786 ↗