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
Q2 		$359K Sell
934
-75
-7% -$27.5K 0.13% 185
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 $6.73T AUM 46.02% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
MP
MFN Partners Boston, Massachusetts $4.83B AUM 65.74% 1-Year Est. Return
EC
ECP ControlCo Summit, New Jersey $4.67B AUM 13.65% 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
FAM
Fred Alger Management New York $30B AUM 76.99% 1-Year Est. Return
WHRC
W.H. Reaves & Co Jersey City, New Jersey $6.59B AUM 31.9% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
SHCM
Sachem Head Capital Management New York $4.82B AUM 73.38% 1-Year Est. Return

Custom Index Systems's TLN Position: Q2 2026 in Review

Custom Index Systems reduced its Talen Energy Corp (TLN) stake by 7.4% in Q2 2026, selling an estimated $27.5K and leaving 934 shares worth $359K. The position accounts for 0.13% of the portfolio, ranked #185.

Custom Index Systems first reported a position in TLN in Q4 2025 and has held it in 3 quarters since. 646 funds tracked by Wall St. Rank hold TLN as of Q2 2026.

  • Custom Index Systems held 934 shares of Talen Energy Corp worth $359K as of Q2 2026.
  • Custom Index Systems sold 75 Talen Energy Corp shares in Q2 2026, an estimated $27.5K.
  • Talen Energy Corp made up 0.13% of Custom Index Systems's portfolio in Q2 2026, its #185 holding.
  • Custom Index Systems first reported a position in Talen Energy Corp in Q4 2025 and has held it in 3 quarters since.
  • 646 funds tracked by Wall St. Rank held Talen Energy Corp as of Q2 2026.

Based on Custom Index Systems's 13F filing for Q2 2026, filed 14 Aug 2026.