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 		$10.2M Sell
2,057,600
-61,700
-3% -$663K 0.01% 691
2025
Q4 		$24.3M Sell
2,119,300
-821,800
-28% -$11.8M 0.01% 490
2025
Q3 		$33.5M Buy
2,941,100
+127,600
+5% +$873K 0.02% 459
2025
Q2 		$14.4M Buy
2,813,500
+814,900
+41% +$3.99M 0.01% 685
2025
Q1 		$7.55M Sell
1,998,600
-471,600
-19% -$2.3M ﹤0.01% 1049
2024
Q4 		$12M Buy
2,470,200
+1,019,300
+70% +$3.3M 0.01% 914
2024
Q3 		$4.31M Buy
1,450,900
+182,200
+14% +$386K ﹤0.01% 1609
2024
Q2 		$1.61M Sell
1,268,700
-83,700
-6% -$69.2K ﹤0.01% 2412
2024
Q1 		$1.39M Sell
1,352,400
-668,200
-33% -$679K ﹤0.01% 2779
2023
Q4 		$2.2M Buy
2,020,600
+920,700
+84% +$1.34M ﹤0.01% 2277
2023
Q3 		$2.36M Buy
1,099,900
+133,100
+14% +$398K ﹤0.01% 1931
2023
Q2 		$4.2M Buy
966,800
+887,200
+1,115% +$2.33M ﹤0.01% 1438
2023
Q1 		$204K Buy
79,600
+20,900
+36% +$36.3K ﹤0.01% 4296
2022
Q4 		$86K Buy
58,700
+100
+0.2% +$130 ﹤0.01% 5262
2022
Q3 		$97K Buy
58,600
+43,000
+276% +$93.8K ﹤0.01% 5575
2022
Q2 		$18K Buy
15,600
+11,500
+280% +$23.6K ﹤0.01% 7706
2022
Q1 		$17K Buy
4,100
+1,400
+52% +$5.77K ﹤0.01% 8397
2021
Q4 		$20K Sell
2,700
-27,400
-91% -$278K ﹤0.01% 8350
2021
Q3 		$537K Hold
30,100
– – ﹤0.01% 3986
2021
Q2 		$540K Buy
30,100
+28,969
+2,561% +$467K ﹤0.01% 4037
2021
Q1 		$2.23M Buy
1,131
+681
+151% +$15.3K ﹤0.01% 1494
2020
Q4 		$937K Buy
+450
New +$5.8K ﹤0.01% 2647

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.