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UBS O'Connor’s ON Semiconductor ON Stock Holding History

UBS O'Connor’s Portfolio ON Stock Details ON Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-27,500
Closed -$1.73M – 423
2024
Q4 		$1.73M Buy
27,500
+17,500
+175% +$1.21M 0.04% 171
2024
Q3 		$726K Sell
10,000
-5,000
-33% -$364K 0.02% 309
2024
Q2 		$1.03M Sell
15,000
-12,500
-45% -$877K 0.03% 290
2024
Q1 		$2.02M Sell
27,500
-40,500
-60% -$3.1M 0.06% 171
2023
Q4 		$5.68M Sell
68,000
-47,111
-41% -$3.7M 0.18% 67
2023
Q3 		$10.7M Buy
115,111
+89,500
+349% +$8.69M 0.19% 42
2023
Q2 		$2.42M Buy
25,611
+13,111
+105% +$1.08M 0.05% 238
2023
Q1 		$1.03M Buy
+12,500
New +$950K 0.02% 398
2022
Q4 		– Sell
-32,770
Closed -$2.04M – 812
2022
Q3 		$2.04M Buy
+32,770
New +$2.11M 0.02% 621
2018
Q1 		– Sell
-84,244
Closed -$1.76M – 348
2017
Q4 		$1.76M Sell
84,244
-35,756
-30% -$729K 0.03% 215
2017
Q3 		$2.22M Buy
+120,000
New +$1.93M 0.03% 255
2015
Q3 		– Sell
-576,200
Closed -$6.74M – 696
2015
Q2 		$6.74M Buy
576,200
+555,570
+2,693% +$6.82M 0.06% 300
2015
Q1 		$250K Sell
20,630
-7,677
-27% -$88K ﹤0.01% 716
2014
Q4 		$287K Buy
28,307
+16,435
+138% +$144K 0.01% 554
2014
Q3 		$106K Hold
11,872
– – ﹤0.01% 420
2014
Q2 		$109K Buy
+11,872
New +$108K ﹤0.01% 401

Other funds holding ON

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

UBS O'Connor's ON Position: Q1 2025 in Review

UBS O'Connor sold out of ON Semiconductor (ON) in Q1 2025, closing a stake of 27,500 shares — an estimated $1.73M sold.

UBS O'Connor first reported a position in ON in Q2 2014 and held it in 16 quarters. The position peaked at $10.7M in Q3 2023. 744 funds tracked by Wall St. Rank hold ON as of Q1 2025.

  • UBS O'Connor reported no remaining ON Semiconductor position as of Q1 2025 after selling out during the quarter.
  • UBS O'Connor sold 27,500 ON Semiconductor shares in Q1 2025, an estimated $1.73M.
  • UBS O'Connor first reported a position in ON Semiconductor in Q2 2014 and held it in 16 quarters.
  • UBS O'Connor's ON Semiconductor position peaked at $10.7M in Q3 2023.
  • 744 funds tracked by Wall St. Rank held ON Semiconductor as of Q1 2025.

Based on UBS O'Connor's 13F filing for Q1 2025, filed 15 May 2025.