Plexus
PLXS
383 hedge funds and large institutions have $5.4B invested in Plexus in 2026 Q1 according to their latest regulatory filings, with 87 funds opening new positions, 115 increasing their positions, 137 reducing their positions, and 35 closing their positions.
3,981% more call options, than puts
Call options by funds: $19M | Put options by funds: $466K
149% more first-time investments, than exits
New positions opened: 87 | Existing positions closed: 35
38% more capital invested
Capital invested by funds: $3.91B → $5.4B (+$1.49B)
14% more funds holding
Funds holding: 337 → 383 (+46)
0.87% more ownership
Funds ownership: 99.38% → 100.24% (+0.87%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
16% less repeat investments, than reductions
Existing positions increased: 115 | Existing positions reduced: 137
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
+$108M |
| 2 |
Westfield Capital Management
Boston,
Massachusetts
|
+$72.1M |
| 3 |
Millennium Management
New York
|
+$55.9M |
| 4 |
EA
Emerald Advisers
Leola,
Pennsylvania
|
+$31.7M |
| 5 |
Invesco
Atlanta,
Georgia
|
+$28.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FMI
Fiduciary Management Inc
Milwaukee,
Wisconsin
|
-$190M |
| 2 |
Dimensional Fund Advisors
Austin,
Texas
|
-$48.3M |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$22.8M |
| 4 |
SAM
Silvercrest Asset Management
New York
|
-$22.5M |
| 5 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$20.8M |
PLXS Hedge Fund Activity: Q1 2026 in Review
383 of the 8,186 institutional investors tracked by Wall St. Rank reported a position in Plexus (PLXS) for Q1 2026, worth a combined $5.4B — up 38% from $3.91B a quarter earlier.
Buyers outnumbered sellers: 87 funds opened new PLXS positions and 35 closed out — a net gain of 52 holders — while 115 added to existing stakes and 137 trimmed.
The largest buyer was AllianceBernstein, adding an estimated $108M. The largest seller was Fiduciary Management Inc, exiting entirely with an estimated $190M sold.
- 383 institutional investors held Plexus (PLXS) as of Q1 2026, up from 337 in Q4 2025.
- Funds reported $5.4B of Plexus stock for Q1 2026, up 38% quarter-over-quarter.
- 87 funds opened new Plexus positions in Q1 2026 and 35 closed out, a net change of +52 holders.
- The largest Plexus buyer in Q1 2026 was AllianceBernstein, an estimated $108M added.
- The largest Plexus seller in Q1 2026 was Fiduciary Management Inc, an estimated $190M sold.
Based on aggregated 13F filings for Q1 2026.