Talen Energy Corporation (TLN) Ownership

NASDAQ: TLNTop holders, insider trades and short interest.

TLN ownership summary

as of October 18, 2026
Institutions
102.7%
of shares outstanding
Insiders
1.38%
of shares outstanding
Shares outstanding
47.3M
Float
38.1M
shares available to trade
Short interest
5.94%
2.5M shares short
Days to cover
3.00
short interest down 7.5% vs prior month
  • Institutions 102.70%
  • Insiders 1.38%

TLN top institutional holders

20 largest
Talen Energy Corporation top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc9.21%4.4M$1.55B+265,417 (+6.5%)June 30, 2026
2Rubric Capital Management LP7.62%3.6M$1.28B—June 30, 2026
3MFN Partners Management, LP6.34%3.0M$1.06B—June 30, 2026
4ECP ControlCo, LLC5.07%2.4M$851.5M+2.4M (0.0%)June 30, 2026
5Vanguard Portfolio Management, LLC4.58%2.2M$768.9M+70,779 (+3.4%)June 30, 2026
6Vanguard Capital Management, LLC4.34%2.1M$728.6M+7,124 (+0.3%)June 30, 2026
7Fred Alger Management, LLC3.27%1.5M$548.7M+360,520 (+30.4%)June 30, 2026
8Reaves W H & Co Inc3.12%1.5M$523.9M−34,033 (−2.3%)June 30, 2026
9State Street Corp2.92%1.4M$489.6M+36,884 (+2.7%)June 30, 2026
10Sachem Head Capital Management LP2.90%1.4M$486.1M−177,500 (−11.5%)June 30, 2026
11Geode Capital Management, LLC2.02%954K$338.3M+43,662 (+4.8%)June 30, 2026
12Assenagon Asset Management SA1.84%869K$308.5M+716,019 (+466.7%)June 30, 2026
13Carronade Capital Management LP1.68%796K$282.3M+151,030 (+23.4%)June 30, 2026
14Millennium Management LLC1.65%781K$277.3M−5,704 (−0.7%)June 30, 2026
15Capital World Investors1.60%758K$268.9M−17,000 (−2.2%)June 30, 2026
16Amvescap Plc.1.24%589K$208.8M−374,999 (−38.9%)June 30, 2026
17Attestor Capital Ltd1.24%587K$208.4M+107,534 (+22.4%)June 30, 2026
18NORGES BANK1.23%580K$205.7M−22,851 (−3.8%)June 30, 2026
19Two Seas Capital LP1.22%579K$205.5M+187,155 (+47.7%)March 31, 2026
20William Blair Investment Management, LLC1.05%498K$176.6M−27,554 (−5.2%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 4.3M shares and 7 cut 660K.

TLN top mutual fund and ETF holders

20 largest
Talen Energy Corporation top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Mid-Cap ETF3.36%1.6M$563.2M−564 (−0.0%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest3.05%1.4M$512.5M−1,606 (−0.1%)August 31, 2026
3Vanguard Small Cap Index2.21%1.0M$370.6M+1,519 (+0.1%)August 31, 2026
4Reaves Utility Income2.13%1.0M$358.3M—June 30, 2026
5Vanguard MStar Small Cap Growth Indx Inv1.27%599K$212.7M−3,584 (−0.6%)August 31, 2026
6American Funds American High-Inc A0.94%445K$157.7M—June 30, 2026
7Alger Focus Equity I0.92%436K$154.7M−365 (−0.1%)July 31, 2026
8Virtus Reaves Utilities ETF0.85%403K$143.0M—September 30, 2026
9AMG Yacktman I0.74%350K$124.2M—June 30, 2026
10American Funds SMALLCAP World A0.72%341K$120.9M−7,660 (−2.2%)June 30, 2026
11State Street® SPDR® S&P MIDCAP 400® ETF0.70%332K$117.8M−3,732 (−1.1%)August 31, 2026
12Vanguard Utilities ETF0.59%281K$99.5M−783 (−0.3%)August 31, 2026
13Alger Concentrated Equity ETF0.57%271K$96.2M+2,838 (+1.1%)September 30, 2026
14iShares S&P Mid-Cap 400 Growth ETF0.54%257K$91.3M−274 (−0.1%)September 30, 2026
15Alger Spectra A0.53%250K$88.7M+19,329 (+8.4%)July 31, 2026
16State Street SPDR Port S&P 400 Md CpETF0.50%236K$83.6M−328 (−0.1%)September 30, 2026
17Fidelity Extended Market Index0.47%222K$78.6M−1,794 (−0.8%)August 31, 2026
18Avantis US Large Cap Value ETF0.44%209K$74.1M+252 (+0.1%)September 30, 2026
19JHancock Disciplined Value Mid Cap I0.40%190K$67.4M−1,358 (−0.7%)August 31, 2026
20iShares Russell Mid-Cap ETF0.39%186K$66.1M+342 (+0.2%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

TLN insider transactions

latest 3
Talen Energy Corporation insider transactions
DateNameTransactionPriceSharesValue
2025-06-27Rubric Capital Management LpSell$296.04178,000$52.7M
2025-06-26Rubric Capital Management LpSell$291.98102,217$29.8M
2025-06-25Rubric Capital Management LpSell$291.29108,313$31.6M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

TLN shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns TLN

Institutional investors own 102.7% of Talen Energy's shares and insiders 1.38%. The largest holder is BlackRock Inc with 9.21% of the shares (4.4M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 7 reduced their stake in the latest filings. Short interest is 5.94% of the float, or 3.00 days of average trading volume. The share count fell 63.3% since 2015.

Related: TLN analyst forecast, TLN key metrics. See the TLN stock overview for the latest quote and news.

TLN ownership FAQ

Who owns the most Talen Energy stock?

The largest shareholders of Talen Energy are BlackRock Inc (9.21%), Rubric Capital Management LP (7.62%), MFN Partners Management, LP (6.34%), ECP ControlCo, LLC (5.07%), Vanguard Portfolio Management, LLC (4.58%).

What percentage of Talen Energy is owned by institutions?

Institutions hold 102.7% of Talen Energy's shares outstanding; insiders hold 1.38%.

Which funds own Talen Energy?

The largest fund holders of Talen Energy are iShares Core S&P Mid-Cap ETF (3.36%), Vanguard MStar Total Stk Mkt Idx Invest (3.05%), Vanguard Small Cap Index (2.21%), Reaves Utility Income (2.13%), Vanguard MStar Small Cap Growth Indx Inv (1.27%).

What is Talen Energy's short interest?

2.5M shares of Talen Energy were sold short, 5.94% of the float; at the average daily volume it would take 3.00 days to cover.

Are insiders buying or selling Talen Energy?

Of the latest 3 reported insider transactions in Talen Energy (since June 25, 2025), 0 were purchases and 3 were sales.

How many shares of Talen Energy are outstanding?

Talen Energy has 47.3M shares outstanding, of which 38.1M are in the public float.

Utilities - Independent Power Producers: ownership