UBS O'Connor’s iShares Russell 2000 ETF IWM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
$10.8K Buy
+45,000
New +$11.1M ﹤0.01% 218
2025
Q2
Sell
-45,000
Closed -$172K 424
2025
Q1
$172K Buy
45,000
+9,000
+25% +$1.95M ﹤0.01% 253
2024
Q4
$216K Buy
+36,000
New +$8.21M 0.01% 326
2024
Q3
Sell
-180,000
Closed -$18.9K 555
2024
Q2
$18.9K Buy
+180,000
New +$36.4M ﹤0.01% 480
2023
Q4
Sell
-350,000
Closed -$1.15M 561
2023
Q3
$1.15M Buy
350,000
+10,000
+3% +$1.88M 0.02% 314
2023
Q2
$104K Sell
340,000
-1,890,000
-85% -$337M ﹤0.01% 491
2023
Q1
$1.73M Buy
+2,230,000
New +$411M 0.04% 345
2021
Q2
Sell
-50,000
Closed -$5K 907
2021
Q1
$5K Buy
+50,000
New +$10.9M ﹤0.01% 803
2020
Q4
Sell
-17,000
Closed -$80K 617
2020
Q3
$80K Buy
+17,000
New +$2.56M ﹤0.01% 299
2018
Q1
Sell
-500,000
Closed -$148K 336
2017
Q4
$148K Sell
500,000
-100,000
-17% -$15M ﹤0.01% 276
2017
Q3
$184K Buy
600,000
+100,000
+20% +$14.1M ﹤0.01% 317
2017
Q2
$715K Buy
+500,000
New +$69.2M 0.01% 327
2016
Q2
Sell
-195,500
Closed -$93K 457
2016
Q1
$93K Sell
195,500
-104,500
-35% -$10.8M ﹤0.01% 412
2015
Q4
$292K Sell
300,000
-800,000
-73% -$92.3M ﹤0.01% 398
2015
Q3
$1.16M Buy
1,100,000
+810,000
+279% +$96M 0.01% 422
2015
Q2
$594K Buy
+290,000
New +$36.2M ﹤0.01% 681
2014
Q4
Sell
-20,000
Closed -$98K 673
2014
Q3
$98K Buy
20,000
+8,900
+80% +$1.02M ﹤0.01% 422
2014
Q2
$5K Buy
+11,100
New +$1.26M ﹤0.01% 428
2014
Q1
Sell
-20,000
Closed -$6K 481
2013
Q4
$6K Buy
+20,000
New +$2.21M ﹤0.01% 393
2013
Q3
Sell
-10,000
Closed -$12K 505
2013
Q2
$12K Buy
+10,000
New +$955K ﹤0.01% 502

Other funds holding IWM

UBS O'Connor's IWM Position: Q4 2025 in Review

UBS O'Connor opened a new position in iShares Russell 2000 ETF (IWM) in Q4 2025: 52,000 shares worth $12.8M. The stake represents 0.34% of the portfolio and ranks #30 among its holdings. This is a return to the name: UBS O'Connor previously reported a position in IWM as recently as Q2 2025.

UBS O'Connor first reported a position in IWM in Q1 2014 and has held it in 15 quarters since. The position peaked at $28.5M in Q3 2015. 2,601 funds tracked by Wall St. Rank hold IWM as of Q4 2025.

  • UBS O'Connor held 52,000 shares of iShares Russell 2000 ETF worth $12.8M as of Q4 2025.
  • iShares Russell 2000 ETF was a new UBS O'Connor position in Q4 2025.
  • iShares Russell 2000 ETF made up 0.34% of UBS O'Connor's portfolio in Q4 2025, its #30 holding.
  • UBS O'Connor first reported a position in iShares Russell 2000 ETF in Q1 2014 and has held it in 15 quarters since.
  • UBS O'Connor's iShares Russell 2000 ETF position peaked at $28.5M in Q3 2015.
  • 2,601 funds tracked by Wall St. Rank held iShares Russell 2000 ETF as of Q4 2025.

Based on UBS O'Connor's 13F filing for Q4 2025, filed 13 Feb 2026.