Citadel Advisors
STEM icon

Citadel Advisors’s Stem STEM Stock Holding History

Citadel Advisors’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 		$185K Buy
+23,727
New +$220K ﹤0.01% 12155
2025
Q4 		– Sell
-44,340
Closed -$850K – 14019
2025
Q3 		$777K Buy
+44,340
New +$627K ﹤0.01% 8094
2025
Q1 		– Sell
-74
Closed -$857 – 15520
2024
Q4 		$886 Sell
74
-1,205
-94% -$10.4K ﹤0.01% 14260
2024
Q3 		$8.91K Buy
+1,279
New +$20.1K ﹤0.01% 13281
2024
Q2 		– Sell
-17,234
Closed -$505K – 15352
2024
Q1 		$755K Buy
17,234
+6,888
+67% +$383K ﹤0.01% 7510
2023
Q4 		$803K Buy
10,346
+10,344
+517,200% +$713K ﹤0.01% 7123
2023
Q3 		$170 Sell
2
-13,588
-100% -$1.55M ﹤0.01% 14145
2023
Q2 		$1.55M Sell
13,590
-175,825
-93% -$17.5M ﹤0.01% 5620
2023
Q1 		$21.5M Buy
189,415
+171,768
+973% +$29.1M ﹤0.01% 1847
2022
Q4 		$3.16M Sell
17,647
-31,238
-64% -$7.51M ﹤0.01% 4674
2022
Q3 		$13M Sell
48,885
-85,048
-64% -$21.8M ﹤0.01% 2400
2022
Q2 		$19.2M Buy
133,933
+12,786
+11% +$2.13M ﹤0.01% 1885
2022
Q1 		$26.7M Sell
121,147
-7,750
-6% -$1.8M 0.01% 1676
2021
Q4 		$48.9M Buy
128,897
+83,442
+184% +$36.2M 0.01% 1189
2021
Q3 		$21.7M Buy
45,455
+38,131
+521% +$20.1M ﹤0.01% 1899
2021
Q2 		$5.28M Buy
7,324
+2,385
+48% +$1.3M ﹤0.01% 4320
2021
Q1 		$2.63M Buy
4,939
+4,294
+666% +$2.76M ﹤0.01% 5759
2020
Q4 		$264K Buy
+645
New +$163K ﹤0.01% 9283

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

Citadel Advisors's STEM Position: Q2 2026 in Review

Citadel Advisors opened a new position in Stem (STEM) in Q2 2026: 23,727 shares worth $185K. The stake represents ﹤0.01% of the portfolio and ranks #12155 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in STEM as recently as Q3 2025.

Citadel Advisors first reported a position in STEM in Q4 2020 and has held it in 18 quarters since. The position peaked at $48.9M in Q4 2021. 72 funds tracked by Wall St. Rank hold STEM as of Q2 2026.

  • Citadel Advisors held 23,727 shares of Stem worth $185K as of Q2 2026.
  • Stem was a new Citadel Advisors position in Q2 2026.
  • Stem made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #12155 holding.
  • Citadel Advisors first reported a position in Stem in Q4 2020 and has held it in 18 quarters since.
  • Citadel Advisors's Stem position peaked at $48.9M in Q4 2021.
  • 72 funds tracked by Wall St. Rank held Stem as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.