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 $5.30B 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 $865.91M in its March 31, 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 $1.07B, representing an estimated gain of +24.09% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 58% of the total disclosed PLXS value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, American Century Companies Inc, 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
400
Total Reported Value
$5.30B
Largest Holder
Blackrock, Inc.
Largest Position
$865.91M
Insider Transactions (90d)
12
Latest Filing Quarter
Q2 2026
New Institutional Positions
92
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% | 4,275,264 | $865,911,970 | $1,074,544,854 | +$208,632,884 | +24.09% | |
| Vanguard Portfolio Management Llc | 0.02% | 2,254,757 | $456,678,483 | $566,710,624 | +$110,032,141 | +24.09% | |
| American Century Companies Inc | 0.16% | 1,562,431 | $316,455,258 | $392,701,408 | +$76,246,150 | +24.09% | |
| Disciplined Growth Investors | Fred Martin | 6.19% | 1,494,619 | $302,720,132 | $375,657,539 | +$72,937,407 | +24.09% |
| Vanguard Capital Management Llc | 0.01% | 1,198,201 | $242,683,631 | $301,155,839 | +$58,472,208 | +24.09% | |
| Dimensional Fund Advisors Lp | 0.05% | 1,119,371 | $226,699,652 | $281,342,707 | +$54,643,055 | +24.10% | |
| State Street Corp | 0.01% | 1,047,835 | $212,228,501 | $263,362,849 | +$51,134,348 | +24.09% | |
| Bnp Paribas Asset Management Holding S.A. | 0.22% | 916,755 | $185,679,558 | $230,417,202 | +$44,737,644 | +24.09% | |
| Geode Capital Management, Llc | 0.01% | 680,032 | $137,759,067 | $170,919,243 | +$33,160,176 | +24.07% | |
| Earnest Partners Llc | 0.54% | 652,438 | $132,144,793 | $163,983,767 | +$31,838,974 | +24.09% | |
| Fuller & Thaler Asset Management, Inc. | 0.40% | 588,778 | $119,251,149 | $147,983,463 | +$28,732,314 | +24.09% | |
| Alliancebernstein L.P. | 0.03% | 629,785 | $92,578,395 | $158,290,162 | +$65,711,767 | +70.98% | |
| Morgan Stanley | 0.01% | 427,937 | $86,674,661 | $107,557,686 | +$20,883,025 | +24.09% | |
| Victory Capital Management Inc | 0.05% | 413,630 | $83,776,620 | $103,961,764 | +$20,185,144 | +24.09% | |
| Silvercrest Asset Management Group Llc | 0.57% | 390,045 | $79,000,747 | $98,033,910 | +$19,033,163 | +24.09% | |
| Charles Schwab Investment Management Inc | 0.01% | 386,104 | $78,201,504 | $97,043,379 | +$18,841,875 | +24.09% | |
| Westfield Capital Management Co Lp | 0.33% | 384,493 | $77,875,212 | $96,638,471 | +$18,763,259 | +24.09% | |
| Nuveen, Llc | 0.02% | 362,493 | $73,419,333 | $91,108,991 | +$17,689,658 | +24.09% | |
| Northern Trust Corp | 0.01% | 316,646 | $64,133,481 | $79,585,806 | +$15,452,325 | +24.09% | |
| Boston Trust Walden Corp | 0.48% | 208,024 | $62,546,576 | $52,284,752 | -$10,261,824 | -16.41% | |
| Millennium Management Llc | 0.05% | 305,654 | $61,907,161 | $76,823,076 | +$14,915,915 | +24.09% | |
| Invesco Ltd. | 0.01% | 268,124 | $54,305,835 | $67,390,286 | +$13,084,451 | +24.09% | |
| Goldman Sachs Group Inc | 0.01% | 190,301 | $38,543,564 | $47,830,253 | +$9,286,689 | +24.09% | |
| Vanguard Fiduciary Trust Co | 0.01% | 185,741 | $37,619,982 | $46,684,143 | +$9,064,161 | +24.09% | |
| Bank Of New York Mellon Corp | 0.01% | 180,660 | $36,590,869 | $45,407,084 | +$8,816,215 | +24.09% | |
| Bank Of America Corp | 0.00% | 175,832 | $35,613,013 | $44,193,615 | +$8,580,602 | +24.09% | |
| Emerald Advisers, Llc | 1.07% | 166,532 | $33,729,391 | $41,856,153 | +$8,126,762 | +24.09% | |
| D. E. Shaw & Co., Inc. | 0.03% | 163,947 | $33,205,826 | $41,206,439 | +$8,000,613 | +24.09% | |
| Nomura Asset Management International Inc. | 0.05% | 154,999 | $31,393,000 | $38,957,449 | +$7,564,449 | +24.10% | |
| Congress Asset Management Co | 0.19% | 103,733 | $31,189,401 | $26,072,252 | -$5,117,149 | -16.41% | |
| Principal Financial Group Inc | 0.02% | 153,392 | $31,068,016 | $38,553,545 | +$7,485,529 | +24.09% | |
| Massachusetts Financial Services Co | 0.01% | 147,822 | $29,939,868 | $37,153,581 | +$7,213,713 | +24.09% | |
| Fmr Llc | 0.00% | 132,870 | $26,911,410 | $33,395,546 | +$6,484,136 | +24.09% | |
| Royal Bank Of Canada | 0.00% | 126,580 | $25,638,000 | $31,814,617 | +$6,176,617 | +24.09% | |
| Ghp Investment Advisors, Inc. | 0.87% | 78,401 | $23,572,691 | $19,705,307 | -$3,867,384 | -16.41% | |
| Cartenna Capital, Lp | 1.02% | 115,000 | $23,292,100 | $28,904,100 | +$5,612,000 | +24.09% | |
| Ubs Group Ag | 0.00% | 111,768 | $22,637,490 | $28,091,769 | +$5,454,279 | +24.09% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 110,759 | $22,433,128 | $27,838,167 | +$5,405,039 | +24.09% | |
| Metlife Investment Management, Llc | 0.11% | 102,687 | $20,798,225 | $25,809,351 | +$5,011,126 | +24.09% | |
| Emerald Mutual Fund Advisers Trust | 1.00% | 102,278 | $20,715,386 | $25,706,553 | +$4,991,167 | +24.09% | |
| Jane Street Group, Llc | 0.02% | 99,668 | $20,186,756 | $25,050,555 | +$4,863,799 | +24.09% | |
| Public Sector Pension Investment Board | 0.06% | 95,861 | $19,415,687 | $24,093,704 | +$4,678,017 | +24.09% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.04% | 85,474 | $17,311,904 | $21,483,035 | +$4,171,131 | +24.09% | |
| Qube Research & Technologies Ltd | 0.02% | 83,178 | $16,846,872 | $20,905,959 | +$4,059,087 | +24.09% | |
| Panagora Asset Management Inc | 0.06% | 82,809 | $16,772,135 | $20,813,214 | +$4,041,079 | +24.09% | |
| Two Sigma Investments, Lp | 0.01% | 79,208 | $16,042,788 | $19,908,139 | +$3,865,351 | +24.09% | |
| Sg Capital Management Llc | 1.30% | 78,255 | $15,849,768 | $19,668,612 | +$3,818,844 | +24.09% | |
| Rhumbline Advisers | 0.01% | 77,048 | $15,605,276 | $19,365,244 | +$3,759,968 | +24.09% | |
| Kennedy Capital Management Llc | 0.33% | 76,605 | $15,515,577 | $19,253,901 | +$3,738,324 | +24.09% | |
| Axiom Investors Llc | 0.17% | 75,956 | $15,384,128 | $19,090,781 | +$3,706,653 | +24.09% |
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.