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ON Semiconductor
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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.

New
Increased
Maintained
Reduced
Closed

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)

Holders
772
Holders Change
-22
Holders Change %
-2.77%
% of All Funds
10.13%
Holding in Top 10
3
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-40%
% of All Funds
0.04%
New
94
Increased
265
Reduced
290
Closed
106
Calls
$2.29B
Puts
$3.13B
Net Calls
-$839M
Net Calls Change
+$1.04B

Top Buyers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
+$234M
2
Two Sigma Investments
Two Sigma Investments
New York
+$171M
3
WorldQuant Millennium Advisors
WorldQuant Millennium Advisors
New York
+$141M
4
Neuberger Berman Group
Neuberger Berman Group
New York
+$108M
5
JP Morgan Chase
JP Morgan Chase
New York
+$92.8M

Top Sellers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
-$200M
2
Ameriprise
Ameriprise
Minnesota
-$184M
3
Barclays
Barclays
United Kingdom
-$131M
4
Rafferty Asset Management
Rafferty Asset Management
New York
-$106M
5
UBS Group
UBS Group
Switzerland
-$99.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
Tudor Investment Corp
826
Tudor Investment Corp
Connecticut
– -$249K -4,722 Closed
RFA
827
ROI Financial Advisors
Oregon
– -$236K -4,507 Closed
NL
828
NKCFO LLC
Illinois
– -$236K -4,500 Closed
FC
829
Farringdon Capital
United Kingdom
– -$235K -4,492 Closed
SMA
830
Sage Mountain Advisors
Georgia
– -$234K -4,462 Closed
SI
831
Stephens Inc
Arkansas
– -$231K -4,400 Closed
AIM
832
ARGA Investment Management
Connecticut
– -$229K -4,371 Closed
IC
833
Iconiq Capital
California
– -$225K -4,288 Closed
TW
834
Trajan Wealth
Arizona
– -$223K -4,262 Closed
LA
835
LM Advisors
California
– -$220K -4,190 Closed
BHWM
836
Bar Harbor Wealth Management
New Hampshire
– -$219K -4,181 Closed
EC
837
EntryPoint Capital
New York
– -$219K -4,173 Closed
ANTB
838
AMG National Trust Bank
Colorado
– -$214K -4,081 Closed
EH
839
Equitable Holdings
New York
– -$212K -4,040 Closed
SCA
840
Snowden Capital Advisors
New York
– -$212K -4,036 Closed
SCM
841
Sandler Capital Management
New York
– -$210K -4,000 Closed
HCM
842
Hodges Capital Management
Texas
– -$209K -3,994 Closed
PFA
843
Pure Financial Advisors
California
– -$207K -3,944 Closed
NRS
844
Neville Rodie & Shaw
New York
– -$204K -3,880 Closed
KeyBank National Association
845
KeyBank National Association
Ohio
– -$203K -3,876 Closed
MS
846
Maven Securities
Jersey
– -$202K -3,844 Closed
Brown Advisory
847
Brown Advisory
Maryland
– -$201K -3,835 Closed
WWM
848
Whalen Wealth Management
Nevada
– -$200K -3,822 Closed
MIA
849
MeadowBrook Investment Advisors
Michigan
– -$123K -3,800 Closed
TCM
850
Traub Capital Management
Massachusetts
– -$176K -3,361 Closed
32 33
34
35 36

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.