OBGC
TLN

O'Brien Greene & Co’s Talen Energy Corp TLN Stock Holding History

O'Brien Greene & Co’s Portfolio TLN Stock Details TLN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.45M Sell
4,546
-6,530
-59% -$2.3M 0.41% 43
2025
Q4 		$4.15M Sell
11,076
-1,869
-14% -$726K 1.23% 25
2025
Q3 		$5.51M Hold
12,945
– – 1.69% 24
2025
Q2 		$3.76M Buy
12,945
+500
+4% +$119K 1.23% 27
2025
Q1 		$2.48M Hold
12,445
– – 0.83% 32
2024
Q4 		$2.51M Hold
12,445
– – 0.81% 32
2024
Q3 		$2.22M Buy
+12,445
New +$1.75M 0.69% 34

Other funds holding TLN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
MP
MFN Partners Boston, Massachusetts $4.77B AUM 72.29% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
LPC
Lone Pine Capital Greenwich, Connecticut $12.5B AUM 54.4% 1-Year Est. Return
SHCM
Sachem Head Capital Management New York $4.15B AUM 48.05% 1-Year Est. Return
WHRC
W.H. Reaves & Co Jersey City, New Jersey $6.03B AUM 40.55% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FAM
Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return

O'Brien Greene & Co's TLN Position: Q1 2026 in Review

O'Brien Greene & Co reduced its Talen Energy Corp (TLN) stake by 59% in Q1 2026, selling an estimated $2.3M and leaving 4,546 shares worth $1.45M. The position accounts for 0.41% of the portfolio, ranked #43.

O'Brien Greene & Co first reported a position in TLN in Q3 2024 and has held it in 7 quarters since. The position peaked at $5.51M in Q3 2025. 578 funds tracked by Wall St. Rank hold TLN as of Q1 2026.

  • O'Brien Greene & Co held 4,546 shares of Talen Energy Corp worth $1.45M as of Q1 2026.
  • O'Brien Greene & Co sold 6,530 Talen Energy Corp shares in Q1 2026, an estimated $2.3M.
  • Talen Energy Corp made up 0.41% of O'Brien Greene & Co's portfolio in Q1 2026, its #43 holding.
  • O'Brien Greene & Co first reported a position in Talen Energy Corp in Q3 2024 and has held it in 7 quarters since.
  • O'Brien Greene & Co's Talen Energy Corp position peaked at $5.51M in Q3 2025.
  • 578 funds tracked by Wall St. Rank held Talen Energy Corp as of Q1 2026.

Based on O'Brien Greene & Co's 13F filing for Q1 2026, filed 6 May 2026.