CIS
TLN

Custom Index Systems’s Talen Energy Corp TLN Stock Holding History

Custom Index Systems’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 		$322K Buy
1,009
+90
+10% +$31.8K 0.14% 192
2025
Q4 		$344K Buy
+919
New +$357K 0.15% 183

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

Custom Index Systems's TLN Position: Q1 2026 in Review

Custom Index Systems increased its Talen Energy Corp (TLN) stake by 9.8% in Q1 2026, buying an estimated $31.8K and bringing the position to 1,009 shares worth $322K. The position accounts for 0.14% of the portfolio, ranked #192.

Custom Index Systems first reported a position in TLN in Q4 2025 and has held it in 2 quarters since. The position peaked at $344K in Q4 2025. 578 funds tracked by Wall St. Rank hold TLN as of Q1 2026.

  • Custom Index Systems held 1,009 shares of Talen Energy Corp worth $322K as of Q1 2026.
  • Custom Index Systems bought 90 Talen Energy Corp shares in Q1 2026, an estimated $31.8K.
  • Talen Energy Corp made up 0.14% of Custom Index Systems's portfolio in Q1 2026, its #192 holding.
  • Custom Index Systems first reported a position in Talen Energy Corp in Q4 2025 and has held it in 2 quarters since.
  • Custom Index Systems's Talen Energy Corp position peaked at $344K in Q4 2025.
  • 578 funds tracked by Wall St. Rank held Talen Energy Corp as of Q1 2026.

Based on Custom Index Systems's 13F filing for Q1 2026, filed 29 Apr 2026.