Parallax Volatility Advisers
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Parallax Volatility Advisers’s Eos Energy Enterprises EOSE Stock Holding History

Parallax Volatility Advisers’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 		$198K Buy
28,100
+3,100
+12% +$33.3K ﹤0.01% 1176
2025
Q4 		$287K Buy
+25,000
New +$359K ﹤0.01% 1326
2022
Q1 		– Sell
-50,000
Closed -$376K – 2816
2021
Q4 		$376K Buy
+50,000
New +$508K ﹤0.01% 1519

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

Parallax Volatility Advisers's EOSE Position: Q1 2026 in Review

Parallax Volatility Advisers opened a new position in Eos Energy Enterprises (EOSE) in Q1 2026: 17,325 shares worth $122K. The stake represents ﹤0.01% of the portfolio and ranks #1224 among its holdings. This is a return to the name: Parallax Volatility Advisers previously reported a position in EOSE as recently as Q3 2025.

Parallax Volatility Advisers first reported a position in EOSE in Q2 2023 and has held it in 3 quarters since. 317 funds tracked by Wall St. Rank hold EOSE as of Q1 2026.

  • Parallax Volatility Advisers held 17,325 shares of Eos Energy Enterprises worth $122K as of Q1 2026.
  • Eos Energy Enterprises was a new Parallax Volatility Advisers position in Q1 2026.
  • Eos Energy Enterprises made up ﹤0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #1224 holding.
  • Parallax Volatility Advisers first reported a position in Eos Energy Enterprises in Q2 2023 and has held it in 3 quarters since.
  • 317 funds tracked by Wall St. Rank held Eos Energy Enterprises as of Q1 2026.

Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.