XT
STEM icon

XTX Topco’s Stem STEM Stock Holding History

XTX Topco’s Portfolio STEM Stock Details STEM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$230K Buy
29,482
+19,310
+190% +$179K ﹤0.01% 3142
2026
Q1 		$89.9K Sell
10,172
-4,407
-30% -$59.2K ﹤0.01% 3137
2025
Q4 		$219K Sell
14,579
-8,139
-36% -$156K 0.01% 2327
2025
Q3 		$398K Buy
+22,718
New +$321K 0.02% 1264
2025
Q2 		– Sell
-11,522
Closed -$80.7K – 3126
2025
Q1 		$80.7K Sell
11,522
-2,813
-20% -$32.6K ﹤0.01% 1909
2024
Q4 		$173K Buy
14,335
+11,487
+403% +$98.9K 0.01% 1612
2024
Q3 		$19.8K Buy
+2,848
New +$44.8K ﹤0.01% 1852
2022
Q3 		– Sell
-1,324
Closed -$190K – 1366
2022
Q2 		$190K Buy
+1,324
New +$220K 0.08% 479
2022
Q1 		– Sell
-504
Closed -$191K – 934
2021
Q4 		$191K Buy
+504
New +$218K 0.11% 384

Other funds holding STEM

Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
TI
Trexquant Investment Stamford, Connecticut $17B AUM 39.66% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
GCP
GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

XTX Topco's STEM Position: Q2 2026 in Review

XTX Topco increased its Stem (STEM) stake by 190% in Q2 2026, buying an estimated $179K and bringing the position to 29,482 shares worth $230K. The position accounts for ﹤0.01% of the portfolio, ranked #3142.

XTX Topco first reported a position in STEM in Q4 2021 and has held it in 9 quarters since. The position peaked at $398K in Q3 2025. 73 funds tracked by Wall St. Rank hold STEM as of Q2 2026.

  • XTX Topco held 29,482 shares of Stem worth $230K as of Q2 2026.
  • XTX Topco bought 19,310 Stem shares in Q2 2026, an estimated $179K.
  • Stem made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3142 holding.
  • XTX Topco first reported a position in Stem in Q4 2021 and has held it in 9 quarters since.
  • XTX Topco's Stem position peaked at $398K in Q3 2025.
  • 73 funds tracked by Wall St. Rank held Stem as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.