Simplex Trading
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Simplex Trading’s LyondellBasell Industries LYB Stock Holding History

Simplex Trading’s Portfolio LYB Stock Details LYB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$919K Sell
17,453
-20,980
-55% -$1.45M ﹤0.01% 2884
2026
Q1 		$3.1M Buy
+38,433
New +$2.28M ﹤0.01% 1473
2025
Q3 		– Sell
-19,645
Closed -$1.11M – 9608
2025
Q2 		$1.14M Sell
19,645
-7,556
-28% -$440K ﹤0.01% 2647
2025
Q1 		$1.91M Buy
27,201
+25,940
+2,057% +$1.95M ﹤0.01% 2074
2024
Q4 		$93K Sell
1,261
-15,258
-92% -$1.28M ﹤0.01% 5241
2024
Q3 		$1.58M Buy
+16,519
New +$1.58M ﹤0.01% 2489
2024
Q1 		– Sell
-43,559
Closed -$4.24M – 9416
2023
Q4 		$4.14M Buy
43,559
+43,246
+13,817% +$4.04M ﹤0.01% 1723
2023
Q3 		$29K Sell
313
-20,923
-99% -$2.01M ﹤0.01% 6286
2023
Q2 		$1.95M Buy
+21,236
New +$1.94M ﹤0.01% 1993
2022
Q1 		– Sell
-17,868
Closed -$1.78M – 10989
2021
Q4 		$1.65M Buy
17,868
+9,939
+125% +$922K ﹤0.01% 2243
2021
Q3 		$820K Buy
7,929
+100
+1% +$9.81K ﹤0.01% 3368
2021
Q2 		$805K Buy
+7,829
New +$847K ﹤0.01% 3443
2020
Q2 		– Sell
-2,780
Closed -$165K – 8026
2020
Q1 		$137K Sell
2,780
-6,827
-71% -$502K ﹤0.01% 4036
2019
Q4 		$907K Buy
9,607
+5,852
+156% +$536K ﹤0.01% 2180
2019
Q3 		$335K Sell
3,755
-15,130
-80% -$1.23M ﹤0.01% 3058
2019
Q2 		$1.63M Buy
+18,885
New +$1.61M ﹤0.01% 1480
2019
Q1 		– Sell
-664
Closed -$57.4K – 7520
2018
Q4 		$55K Sell
664
-17,754
-96% -$1.62M ﹤0.01% 4433
2018
Q3 		$1.89M Buy
18,418
+15,577
+548% +$1.7M 0.01% 1301
2018
Q2 		$312K Buy
+2,841
New +$312K ﹤0.01% 2972
2016
Q4 		– Sell
-6,964
Closed -$584K – 6231
2016
Q3 		$561K Buy
+6,964
New +$538K 0.04% 459
2015
Q1 		– Sell
-1,237
Closed -$104K – 5299
2014
Q4 		$98K Buy
+1,237
New +$107K 0.01% 940

Other funds holding LYB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
DSA
Davis Selected Advisers Tucson, Arizona $23.3B AUM 26.95% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Simplex Trading's LYB Position: Q2 2026 in Review

Simplex Trading reduced its LyondellBasell Industries (LYB) stake by 55% in Q2 2026, selling an estimated $1.45M and leaving 17,453 shares worth $919K. The position accounts for ﹤0.01% of the portfolio, ranked #2884.

Simplex Trading first reported a position in LYB in Q4 2014 and has held it in 21 quarters since. The position peaked at $4.14M in Q4 2023. 883 funds tracked by Wall St. Rank hold LYB as of Q2 2026.

  • Simplex Trading held 17,453 shares of LyondellBasell Industries worth $919K as of Q2 2026.
  • Simplex Trading sold 20,980 LyondellBasell Industries shares in Q2 2026, an estimated $1.45M.
  • LyondellBasell Industries made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #2884 holding.
  • Simplex Trading first reported a position in LyondellBasell Industries in Q4 2014 and has held it in 21 quarters since.
  • Simplex Trading's LyondellBasell Industries position peaked at $4.14M in Q4 2023.
  • 883 funds tracked by Wall St. Rank held LyondellBasell Industries as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.