Parallax Volatility Advisers
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Parallax Volatility Advisers’s STMicroelectronics STM Stock Holding History

Parallax Volatility Advisers’s Portfolio STM Stock Details STM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.07M Buy
+60,000
New +$1.88M 0.01% 777
2025
Q2 		– Sell
-232,900
Closed -$5.11M – 1800
2025
Q1 		$5.11M Sell
232,900
-72,900
-24% -$1.79M 0.01% 611
2024
Q4 		$7.64M Buy
305,800
+50,500
+20% +$1.34M 0.01% 660
2024
Q3 		$7.59M Buy
255,300
+190,200
+292% +$6.28M 0.01% 647
2024
Q2 		$2.56M Buy
+65,100
New +$2.7M 0.01% 957
2023
Q3 		– Sell
-3,100
Closed -$155K – 2603
2023
Q2 		$155K Sell
3,100
-7,100
-70% -$329K ﹤0.01% 1931
2023
Q1 		$546K Sell
10,200
-2,200
-18% -$103K ﹤0.01% 1706
2022
Q4 		$441K Buy
12,400
+900
+8% +$31.7K ﹤0.01% 1921
2022
Q3 		$356K Buy
11,500
+9,700
+539% +$341K ﹤0.01% 2104
2022
Q2 		$56K Sell
1,800
-12,000
-87% -$447K ﹤0.01% 2453
2022
Q1 		$596K Buy
+13,800
New +$610K ﹤0.01% 1853
2021
Q4 		– Sell
-17,900
Closed -$781K – 2317
2021
Q3 		$781K Buy
17,900
+5,400
+43% +$228K ﹤0.01% 1407
2021
Q2 		$455K Sell
12,500
-26,200
-68% -$980K ﹤0.01% 1170
2021
Q1 		$1.48M Sell
38,700
-69,200
-64% -$2.7M ﹤0.01% 751
2020
Q4 		$4.01M Buy
107,900
+60,200
+126% +$2.14M ﹤0.01% 1021
2020
Q3 		$1.46M Buy
47,700
+46,100
+2,881% +$1.36M ﹤0.01% 1829
2020
Q2 		$44K Buy
+1,600
New +$39.8K ﹤0.01% 2515
2019
Q3 		– Sell
-50,300
Closed -$886K – 3398
2019
Q2 		$886K Buy
+50,300
New +$851K ﹤0.01% 1317
2019
Q1 		– Sell
-70,000
Closed -$972K – 3962
2018
Q4 		$972K Hold
70,000
– – ﹤0.01% 1317
2018
Q3 		$1.28M Buy
70,000
+69,000
+6,900% +$1.43M ﹤0.01% 1178
2018
Q2 		$22K Buy
+1,000
New +$23.2K ﹤0.01% 1685
2017
Q2 		– Sell
-2,200
Closed -$34K – 3854
2017
Q1 		$34K Buy
+2,200
New +$30.7K ﹤0.01% 2767
2014
Q1 		– Sell
-1,000
Closed -$8K – 3678
2013
Q4 		$8K Buy
+1,000
New +$8K ﹤0.01% 3024

Other funds holding STM

VanEck Associates
VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
SPC
Slate Path Capital New York $6.73B AUM 95.97% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Parallax Volatility Advisers's STM Position: Q2 2025 in Review

Parallax Volatility Advisers sold out of STMicroelectronics (STM) in Q2 2025, closing a stake of 182,684 shares — an estimated $4.01M sold.

Parallax Volatility Advisers first reported a position in STM in Q4 2013 and held it in 19 quarters. The position peaked at $6.87M in Q3 2020. 347 funds tracked by Wall St. Rank hold STM as of Q2 2025.

  • Parallax Volatility Advisers reported no remaining STMicroelectronics position as of Q2 2025 after selling out during the quarter.
  • Parallax Volatility Advisers sold 182,684 STMicroelectronics shares in Q2 2025, an estimated $4.01M.
  • Parallax Volatility Advisers first reported a position in STMicroelectronics in Q4 2013 and held it in 19 quarters.
  • Parallax Volatility Advisers's STMicroelectronics position peaked at $6.87M in Q3 2020.
  • 347 funds tracked by Wall St. Rank held STMicroelectronics as of Q2 2025.

Based on Parallax Volatility Advisers's 13F filing for Q2 2025, filed 14 Aug 2025.