PCM
TLN

Portolan Capital Management’s Talen Energy Corp TLN Stock Holding History

Portolan Capital Management’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 		$34.7M Buy
90,312
+8,738
+11% +$3.2M 1.3% 21
2026
Q1 		$26M Buy
81,574
+6,590
+9% +$2.33M 1.39% 22
2025
Q4 		$28.1M Sell
74,984
-19,733
-21% -$7.67M 1.51% 15
2025
Q3 		$40.3M Buy
94,717
+29,126
+44% +$10.5M 2.18% 13
2025
Q2 		$19.1M Buy
65,591
+22,921
+54% +$5.44M 1.2% 26
2025
Q1 		$8.52M Sell
42,670
-111,711
-72% -$24.2M 0.65% 55
2024
Q4 		$31.1M Sell
154,381
-66,764
-30% -$13M 2.09% 9
2024
Q3 		$39.4M Buy
+221,145
New +$31.2M 2.86% 4

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

Portolan Capital Management's TLN Position: Q2 2026 in Review

Portolan Capital Management increased its Talen Energy Corp (TLN) stake by 11% in Q2 2026, buying an estimated $3.2M and bringing the position to 90,312 shares worth $34.7M. The position accounts for 1.3% of the portfolio, ranked #21.

Portolan Capital Management first reported a position in TLN in Q3 2024 and has held it in 8 quarters since. The position peaked at $40.3M in Q3 2025. 646 funds tracked by Wall St. Rank hold TLN as of Q2 2026.

  • Portolan Capital Management held 90,312 shares of Talen Energy Corp worth $34.7M as of Q2 2026.
  • Portolan Capital Management bought 8,738 Talen Energy Corp shares in Q2 2026, an estimated $3.2M.
  • Talen Energy Corp made up 1.3% of Portolan Capital Management's portfolio in Q2 2026, its #21 holding.
  • Portolan Capital Management first reported a position in Talen Energy Corp in Q3 2024 and has held it in 8 quarters since.
  • Portolan Capital Management's Talen Energy Corp position peaked at $40.3M in Q3 2025.
  • 646 funds tracked by Wall St. Rank held Talen Energy Corp as of Q2 2026.

Based on Portolan Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.