PLEXUS CORP (PLXS) Institutional Shareholders
PLEXUS CORP (PLXS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $7.94B in PLXS holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of PLXS tracked by InsiderSet, reporting ownership valued at approximately $1.31B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $1.06B, representing an estimated loss of -19.40% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed PLXS value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Disciplined Growth Investors, and several other long-term asset managers with concentrated positions in PLEXUS CORP (PLXS).
This page ranks the largest institutional PLXS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
431
Total Reported Value
$7.94B
Largest Holder
Blackrock, Inc.
Largest Position
$1.31B
Insider Transactions (90d)
10
Latest Filing Quarter
Q2 2026
New Institutional Positions
80
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.02% | 4,362,360 | $1,311,630,781 | $1,057,130,699 | -$254,500,082 | -19.40% | |
| Vanguard Portfolio Management Llc | 0.03% | 2,110,343 | $634,516,830 | $511,399,419 | -$123,117,411 | -19.40% | |
| Disciplined Growth Investors | Fred Martin | 7.34% | 1,440,935 | $433,245,926 | $349,181,779 | -$84,064,147 | -19.40% |
| Vanguard Capital Management Llc | 0.01% | 1,206,653 | $362,804,357 | $292,408,221 | -$70,396,136 | -19.40% | |
| American Century Companies Inc | 0.16% | 1,184,217 | $356,058,855 | $286,971,306 | -$69,087,549 | -19.40% | |
| State Street Corp | 0.01% | 1,095,217 | $329,158,188 | $265,403,936 | -$63,754,252 | -19.37% | |
| Dimensional Fund Advisors Lp | 0.05% | 832,842 | $250,392,314 | $201,822,602 | -$48,569,712 | -19.40% | |
| Geode Capital Management, Llc | 0.01% | 801,518 | $241,030,622 | $194,231,857 | -$46,798,765 | -19.42% | |
| Bnp Paribas Asset Management Holding S.A. | 0.23% | 761,926 | $229,088,290 | $184,637,528 | -$44,450,762 | -19.40% | |
| Fuller & Thaler Asset Management, Inc. | 0.60% | 732,397 | $220,209,888 | $177,481,765 | -$42,728,123 | -19.40% | |
| Earnest Partners Llc | 0.68% | 628,196 | $188,879,691 | $152,230,737 | -$36,648,954 | -19.40% | |
| Price T Rowe Associates Inc | 0.02% | 586,898 | $176,464,000 | $142,222,992 | -$34,241,008 | -19.40% | |
| Jpmorgan Chase & Co | 0.01% | 445,648 | $128,579,544 | $107,993,880 | -$20,585,664 | -16.01% | |
| Alliancebernstein L.P. | 0.04% | 572,992 | $116,053,800 | $138,853,151 | +$22,799,351 | +19.65% | |
| Charles Schwab Investment Management Inc | 0.01% | 372,118 | $111,884,719 | $90,175,355 | -$21,709,364 | -19.40% | |
| Nuveen, Llc | 0.03% | 368,366 | $110,756,606 | $89,266,133 | -$21,490,473 | -19.40% | |
| Morgan Stanley | 0.01% | 348,725 | $104,851,331 | $84,506,529 | -$20,344,802 | -19.40% | |
| Northern Trust Corp | 0.01% | 327,551 | $98,484,761 | $79,375,434 | -$19,109,327 | -19.40% | |
| Westfield Capital Management Co Lp | 0.32% | 321,808 | $96,758,011 | $77,983,733 | -$18,774,278 | -19.40% | |
| Victory Capital Management Inc | 0.05% | 315,669 | $94,912,198 | $76,496,069 | -$18,416,129 | -19.40% | |
| Invesco Ltd. | 0.01% | 308,539 | $92,768,422 | $74,768,256 | -$18,000,166 | -19.40% | |
| Thrivent Financial For Lutherans | 0.15% | 289,990 | $87,192,000 | $70,273,277 | -$16,918,723 | -19.40% | |
| Silvercrest Asset Management Group Llc | 0.55% | 276,664 | $83,185,928 | $67,043,987 | -$16,141,941 | -19.40% | |
| Cartenna Capital, Lp | 2.95% | 265,000 | $79,677,550 | $64,217,450 | -$15,460,100 | -19.40% | |
| Brown Advisory Inc | 0.11% | 232,959 | $70,043,714 | $56,452,954 | -$13,590,760 | -19.40% | |
| Goldman Sachs Group Inc | 0.01% | 226,383 | $68,066,577 | $54,859,392 | -$13,207,185 | -19.40% | |
| Boston Trust Walden Corp | 0.48% | 208,024 | $62,546,576 | $50,410,456 | -$12,136,120 | -19.40% | |
| Emerald Advisers, Llc | 1.47% | 207,712 | $62,452,767 | $50,334,849 | -$12,117,918 | -19.40% | |
| Bank Of America Corp | 0.00% | 200,488 | $60,280,727 | $48,584,257 | -$11,696,470 | -19.40% | |
| Vanguard Fiduciary Trust Co | 0.01% | 192,212 | $57,792,382 | $46,578,734 | -$11,213,648 | -19.40% | |
| Bank Of New York Mellon Corp | 0.01% | 184,672 | $55,525,368 | $44,751,566 | -$10,773,802 | -19.40% | |
| Fmr Llc | 0.00% | 163,203 | $49,070,203 | $39,548,983 | -$9,521,220 | -19.40% | |
| Principal Financial Group Inc | 0.02% | 156,071 | $46,925,868 | $37,820,685 | -$9,105,183 | -19.40% | |
| Qube Research & Technologies Ltd | 0.05% | 135,656 | $40,787,690 | $32,873,518 | -$7,914,172 | -19.40% | |
| Emerald Mutual Fund Advisers Trust | 1.42% | 134,746 | $40,514,080 | $32,652,998 | -$7,861,082 | -19.40% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.07% | 118,917 | $35,754,774 | $28,817,157 | -$6,937,617 | -19.40% | |
| T. Rowe Price Investment Management, Inc. | 0.02% | 112,359 | $33,783,000 | $27,227,956 | -$6,555,044 | -19.40% | |
| Millennium Management Llc | 0.02% | 107,320 | $32,267,904 | $26,006,856 | -$6,261,048 | -19.40% | |
| Congress Asset Management Co | 0.19% | 103,733 | $31,189,401 | $25,137,618 | -$6,051,783 | -19.40% | |
| D. E. Shaw & Co., Inc. | 0.02% | 96,425 | $28,992,105 | $23,366,670 | -$5,625,435 | -19.40% | |
| Royal Bank Of Canada | 0.00% | 96,119 | $28,900,000 | $23,292,517 | -$5,607,483 | -19.40% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.05% | 92,077 | $27,684,791 | $22,313,019 | -$5,371,772 | -19.40% |
| Public Employees Retirement Association Of Colorado | 0.10% | 92,059 | $27,679,000 | $22,308,657 | -$5,370,343 | -19.40% | |
| Public Sector Pension Investment Board | 0.07% | 91,946 | $27,645,404 | $22,281,274 | -$5,364,130 | -19.40% | |
| Nomura Asset Management International Inc. | 0.04% | 84,653 | $25,453,000 | $20,513,961 | -$4,939,039 | -19.40% | |
| Panagora Asset Management Inc | 0.08% | 84,434 | $25,386,771 | $20,460,891 | -$4,925,880 | -19.40% | |
| Massachusetts Financial Services Co | 0.01% | 83,516 | $25,110,756 | $20,238,432 | -$4,872,324 | -19.40% | |
| Metlife Investment Management, Llc | 0.11% | 78,819 | $23,698,509 | $19,100,208 | -$4,598,301 | -19.40% | |
| Ghp Investment Advisors, Inc. | 0.87% | 78,401 | $23,572,691 | $18,998,914 | -$4,573,777 | -19.40% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 110,759 | $22,433,128 | $26,840,228 | +$4,407,100 | +19.65% |
Frequently asked questions about PLXS
Who owns the most PLXS stock?
The largest holders of PLXS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for PLEXUS CORP (PLXS).
Is PLXS widely held by superinvestors?
Many widely followed stocks like PLXS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly PLXS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.