Simplex Trading
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Simplex Trading’s Eos Energy Enterprises EOSE Stock Holding History

Simplex Trading’s Portfolio EOSE Stock Details EOSE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$8.22M Sell
1,656,800
-1,111,000
-40% -$11.9M 0.01% 797
2025
Q4 		$31.7M Buy
2,767,800
+921,600
+50% +$13.2M 0.02% 399
2025
Q3 		$21M Buy
1,846,200
+49,800
+3% +$341K 0.01% 618
2025
Q2 		$9.2M Buy
1,796,400
+801,200
+81% +$3.93M 0.01% 945
2025
Q1 		$3.76M Buy
995,200
+421,900
+74% +$2.06M ﹤0.01% 1497
2024
Q4 		$2.79M Buy
573,300
+275,000
+92% +$890K ﹤0.01% 1919
2024
Q3 		$885K Buy
298,300
+135,900
+84% +$288K ﹤0.01% 3030
2024
Q2 		$206K Sell
162,400
-24,300
-13% -$20.1K ﹤0.01% 4619
2024
Q1 		$192K Sell
186,700
-175,300
-48% -$178K ﹤0.01% 4906
2023
Q4 		$394K Buy
362,000
+90,000
+33% +$131K ﹤0.01% 3949
2023
Q3 		$584K Buy
272,000
+26,500
+11% +$79.3K ﹤0.01% 3237
2023
Q2 		$1.06M Buy
245,500
+215,500
+718% +$565K ﹤0.01% 2540
2023
Q1 		$77K Buy
30,000
+23,800
+384% +$41.3K ﹤0.01% 5454
2022
Q4 		$9K Sell
6,200
-2,800
-31% -$3.63K ﹤0.01% 7621
2022
Q3 		$15K Buy
9,000
+7,600
+543% +$16.6K ﹤0.01% 7815
2022
Q2 		$1K Sell
1,400
-17,400
-93% -$35.7K ﹤0.01% 9561
2022
Q1 		$78K Buy
18,800
+16,600
+755% +$68.4K ﹤0.01% 6492
2021
Q4 		$16K Sell
2,200
-44,800
-95% -$455K ﹤0.01% 8606
2021
Q3 		$839K Hold
47,000
– – ﹤0.01% 3332
2021
Q2 		$844K Buy
47,000
+46,797
+23,053% +$754K ﹤0.01% 3373
2021
Q1 		$400K Buy
203
+117
+136% +$2.62K ﹤0.01% 3701
2020
Q4 		$179K Buy
+86
New +$1.11K ﹤0.01% 4760

Other funds holding EOSE

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
ECP
Electron Capital Partners New York $2.55B AUM 87.77% 1-Year Est. Return

Simplex Trading's EOSE Position: Q1 2026 in Review

Simplex Trading reduced its Eos Energy Enterprises (EOSE) stake by 56% in Q1 2026, selling an estimated $13.6M and leaving 984,329 shares worth $4.88M. The position accounts for ﹤0.01% of the portfolio, ranked #1130.

Simplex Trading first reported a position in EOSE in Q4 2020 and has held it in 20 quarters since. The position peaked at $25.8M in Q4 2025. 316 funds tracked by Wall St. Rank hold EOSE as of Q1 2026.

  • Simplex Trading held 984,329 shares of Eos Energy Enterprises worth $4.88M as of Q1 2026.
  • Simplex Trading sold 1,264,605 Eos Energy Enterprises shares in Q1 2026, an estimated $13.6M.
  • Eos Energy Enterprises made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #1130 holding.
  • Simplex Trading first reported a position in Eos Energy Enterprises in Q4 2020 and has held it in 20 quarters since.
  • Simplex Trading's Eos Energy Enterprises position peaked at $25.8M in Q4 2025.
  • 316 funds tracked by Wall St. Rank held Eos Energy Enterprises as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.