ON Semiconductor
772 hedge funds and large institutions have $21B invested in ON Semiconductor in 2025 Q3 according to their latest regulatory filings, with 94 funds opening new positions, 265 increasing their positions, 290 reducing their positions, and 106 closing their positions.
0.28% more ownership
Funds ownership: 103.65% → 103.93% (+0.28%)
9% less repeat investments, than reductions
Existing positions increased: 265 | Existing positions reduced: 290
3% less funds holding
Funds holding: 794 → 772 (-22)
8% less capital invested
Capital invested by funds: $22.7B → $21B (-$1.76B)
11% less first-time investments, than exits
New positions opened: 94 | Existing positions closed: 106
27% less call options, than puts
Call options by funds: $2.29B | Put options by funds: $3.13B
40% less funds holding in top 10
Funds holding in top 10: 5 → 3 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$234M |
| 2 |
Two Sigma Investments
New York
|
+$171M |
| 3 |
WorldQuant Millennium Advisors
New York
|
+$141M |
| 4 |
Neuberger Berman Group
New York
|
+$108M |
| 5 |
JP Morgan Chase
New York
|
+$92.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
-$200M |
| 2 |
Ameriprise
Minneapolis,
Minnesota
|
-$184M |
| 3 |
Barclays
London,
United Kingdom
|
-$131M |
| 4 |
Rafferty Asset Management
New York
|
-$106M |
| 5 |
UBS Group
Zurich,
Switzerland
|
-$99.1M |
ON Hedge Fund Activity: Q3 2025 in Review
772 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in ON Semiconductor (ON) for Q3 2025, worth a combined $21B — down 7.8% from $22.7B a quarter earlier.
Sellers outnumbered buyers: 106 funds closed out of ON and 94 opened new positions — a net loss of 12 holders — while 290 trimmed existing stakes and 265 added.
The largest buyer was Fidelity Investments, adding an estimated $234M. The largest seller was BlackRock, cutting an estimated $200M.
- 772 institutional investors held ON Semiconductor (ON) as of Q3 2025, down from 794 in Q2 2025.
- Funds reported $21B of ON Semiconductor stock for Q3 2025, down 7.8% quarter-over-quarter.
- 94 funds opened new ON Semiconductor positions in Q3 2025 and 106 closed out, a net change of -12 holders.
- The largest ON Semiconductor buyer in Q3 2025 was Fidelity Investments, an estimated $234M added.
- The largest ON Semiconductor seller in Q3 2025 was BlackRock, an estimated $200M sold.
Based on aggregated 13F filings for Q3 2025.