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F.L. Putnam Investment Management’s Eos Energy Enterprises EOSE Stock Holding History

F.L. Putnam Investment Management’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
Q2 		$229K Buy
+38,884
New +$270K ﹤0.01% 606
2026
Q1 		– Sell
-49,386
Closed -$566K – 582
2025
Q4 		$566K Sell
49,386
-79,831
-62% -$1.15M 0.01% 400
2025
Q3 		$1.47M Hold
129,217
– – 0.02% 289
2025
Q2 		$662K Buy
129,217
+86,794
+205% +$425K 0.01% 367
2025
Q1 		$160K Buy
+42,423
New +$207K ﹤0.01% 554

Other funds holding EOSE

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $36.8B AUM 42.13% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
ECP
Electron Capital Partners New York $2.5B AUM 97.62% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

F.L. Putnam Investment Management's EOSE Position: Q2 2026 in Review

F.L. Putnam Investment Management opened a new position in Eos Energy Enterprises (EOSE) in Q2 2026: 38,884 shares worth $229K. The stake represents ﹤0.01% of the portfolio and ranks #606 among its holdings. This is a return to the name: F.L. Putnam Investment Management previously reported a position in EOSE as recently as Q4 2025.

F.L. Putnam Investment Management first reported a position in EOSE in Q1 2025 and has held it in 5 quarters since. The position peaked at $1.47M in Q3 2025. 348 funds tracked by Wall St. Rank hold EOSE as of Q2 2026.

  • F.L. Putnam Investment Management held 38,884 shares of Eos Energy Enterprises worth $229K as of Q2 2026.
  • Eos Energy Enterprises was a new F.L. Putnam Investment Management position in Q2 2026.
  • Eos Energy Enterprises made up ﹤0.01% of F.L. Putnam Investment Management's portfolio in Q2 2026, its #606 holding.
  • F.L. Putnam Investment Management first reported a position in Eos Energy Enterprises in Q1 2025 and has held it in 5 quarters since.
  • F.L. Putnam Investment Management's Eos Energy Enterprises position peaked at $1.47M in Q3 2025.
  • 348 funds tracked by Wall St. Rank held Eos Energy Enterprises as of Q2 2026.

Based on F.L. Putnam Investment Management's 13F filing for Q2 2026, filed 6 Aug 2026.