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Cobblestone Asset Management’s Plug Power PLUG Stock Holding History

Cobblestone Asset Management’s Portfolio PLUG Stock Details PLUG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$342K Buy
126,040
+4,760
+4% +$15K 0.14% 59
2026
Q1 		$274K Buy
121,280
+1,801
+2% +$3.91K 0.12% 62
2025
Q4 		$235K Buy
119,479
+4,009
+3% +$10.5K 0.11% 65
2025
Q3 		$269K Buy
115,470
+19,970
+21% +$33.9K 0.12% 65
2025
Q2 		$142K Buy
95,500
+4,000
+4% +$3.99K 0.07% 66
2025
Q1 		$124K Buy
+91,500
New +$174K 0.07% 58

Other funds holding PLUG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Cobblestone Asset Management's PLUG Position: Q2 2026 in Review

Cobblestone Asset Management increased its Plug Power (PLUG) stake by 3.9% in Q2 2026, buying an estimated $15K and bringing the position to 126,040 shares worth $342K. The position accounts for 0.14% of the portfolio, ranked #59.

Cobblestone Asset Management first reported a position in PLUG in Q1 2025 and has held it in 6 quarters since. 508 funds tracked by Wall St. Rank hold PLUG as of Q2 2026.

  • Cobblestone Asset Management held 126,040 shares of Plug Power worth $342K as of Q2 2026.
  • Cobblestone Asset Management bought 4,760 Plug Power shares in Q2 2026, an estimated $15K.
  • Plug Power made up 0.14% of Cobblestone Asset Management's portfolio in Q2 2026, its #59 holding.
  • Cobblestone Asset Management first reported a position in Plug Power in Q1 2025 and has held it in 6 quarters since.
  • 508 funds tracked by Wall St. Rank held Plug Power as of Q2 2026.

Based on Cobblestone Asset Management's 13F filing for Q2 2026, filed 21 Jul 2026.