PEAK6
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PEAK6’s Eos Energy Enterprises EOSE Stock Holding History

PEAK6’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 		$1.54M Sell
311,000
-41,800
-12% -$449K ﹤0.01% 1511
2025
Q4 		$4.04M Sell
352,800
-2,251,900
-86% -$32.4M 0.01% 1050
2025
Q3 		$29.7M Buy
2,604,700
+1,101,400
+73% +$7.53M 0.04% 312
2025
Q2 		$7.7M Buy
1,503,300
+929,500
+162% +$4.56M 0.01% 749
2025
Q1 		$2.17M Buy
573,800
+551,600
+2,485% +$2.69M ﹤0.01% 1375
2024
Q4 		$108K Buy
+22,200
New +$71.8K ﹤0.01% 2696

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

PEAK6's EOSE Position: Q1 2026 in Review

PEAK6 opened a new position in Eos Energy Enterprises (EOSE) in Q1 2026: 62,497 shares worth $310K. The stake represents ﹤0.01% of the portfolio and ranks #2143 among its holdings. This is a return to the name: PEAK6 previously reported a position in EOSE as recently as Q4 2024.

PEAK6 first reported a position in EOSE in Q4 2024 and has held it in 2 quarters since. 316 funds tracked by Wall St. Rank hold EOSE as of Q1 2026.

  • PEAK6 held 62,497 shares of Eos Energy Enterprises worth $310K as of Q1 2026.
  • Eos Energy Enterprises was a new PEAK6 position in Q1 2026.
  • Eos Energy Enterprises made up ﹤0.01% of PEAK6's portfolio in Q1 2026, its #2143 holding.
  • PEAK6 first reported a position in Eos Energy Enterprises in Q4 2024 and has held it in 2 quarters since.
  • 316 funds tracked by Wall St. Rank held Eos Energy Enterprises as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.