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Of the 13 tracked institutions holding PLXS, 5 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +4.6pt. It's a gauge of who owns the name, not just how many.
Among the 13 tracked institutional investors we monitor, PLXS (PLEXUS CORP) is held with a combined value of $2.52B across 10,225,862 shares. The largest holder is BlackRock, Inc. with a position worth $1.31B (0.02% of their portfolio). 3 funds opened new positions in the most recent quarter. 7 funds increased their holdings. 2 funds reduced their position.
Total Institutional Value
$2.52B
Total Shares Held
10,225,862
Institutional Holders
13
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $1.31B | 0.02% | +2.0% |
| 2 | VANGUARD GROUP INC | $534.02M | 0.01% | -1.4% |
| 3 | STATE STREET CORP | $329.16M | 0.01% | +4.5% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | $176.46M | 0.02% | +644.6% |
| 5 | FMR LLC | $49.07M | 0.00% | +22.8% |
| 6 | MILLENNIUM MANAGEMENT LLC | $32.27M | 0.02% | -64.9% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | $21.23M | 0.00% | New |
| 8 | CITADEL ADVISORS LLC | $21.17M | 0.01% | +100.5% |
| 9 | AQR CAPITAL MANAGEMENT LLC | $19.62M | 0.01% | +1.2% |
| 10 | RENAISSANCE TECHNOLOGIES LLC | $19.45M | 0.03% | +85.4% |
SEC Schedule 13D (activist) and 13G (passive) filings for PLXS. Filed when an investor acquires 5%+ ownership.
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of PLXS with a position worth $1.31B, representing 0.02% of their portfolio. In total, 13 institutional investors hold PLXS with a combined value of $2.52B.
In the most recent quarter, 3 funds opened a new position in PLXS. Additionally, 7 increased their holdings and 2 reduced their positions.
Institutional investors hold $2.52B worth of PLXS stock across 13 positions. The largest institutional holder is BlackRock, Inc. with $1.31B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For PLXS, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their PLXS positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$238.71
2026-10-21
YTD
+56.8%
62% of 52-week range
