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PLXS · Plexus Corp

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Market Cap
$6.56B
Shares
26.65M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 449
Total Value: $8,072,728,288
Total Shares: 26,852,976
Showing 1–100 of 458 holdings by value · page 1 of 5

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 449 13F filers · Δ vs Mar 31, 2026
Top Holder
16.2%
Sep 2023 → Jun 2026 · range 15.9% – 17.5%
+0.4 pts
Top 5
38.4%
Sep 2023 → Jun 2026 · range 38.4% – 51.0%
−1.6 pts
Top 10
54.1%
Sep 2023 → Jun 2026 · range 54.1% – 67.4%
−2.3 pts
HHI
486
Sep 2023 → Jun 2026 · range 486 – 711
Broadly held−13

Quarterly Activity

vs Mar 31, 2026
New
104
Increased
142
Decreased
139
Sold Out
39
Unchanged
64
Holder count: +65
Institutional value: +47.9%
Shares held: -0.4%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 458
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 785786 CUSIP 729132100 13F (30d) 256 filings 254 filers Visit website Investor relations