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TLN

Talen Energy Corp

Company with tickers: TLN

CIK
1622536
CUSIP
87422Q109
Shares Outstanding
45,395,007
13F Activity (30d)
475 filings 466 filers
Holders: 579
Total Value: $16,020,598,346
Total Shares: 50,185,129
Showing 1–100 of 618 holdings by value · page 1 of 7

Institutional Ownership Trend

11 quarters

Holder Concentration

Across 579 13F filers · Δ vs Dec 31, 2025
Top Holder
8.2%
Jun 2023 → Mar 2026 · range 8.2% – 91.1%
−0.9 pts
Top 5
29.6%
Jun 2023 → Mar 2026 · range 29.6% – 100.0%
−4.6 pts
Top 10
45.7%
Jun 2023 → Mar 2026 · range 44.5% – 100.0%
−2.2 pts
HHI
284
Jun 2023 → Mar 2026 · range 284 – 8,351
Broadly held −39

Quarterly Activity

vs Dec 31, 2025
New
97
Increased
238
Decreased
174
Sold Out
113
Unchanged
70
Holder count: -16
Institutional value: -13.5%
Shares held: +1.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +633,669 1,880,091
Mid Sachem Head Capital Management LP +547,500 1,547,500
Large LONE PINE CAPITAL LLC +525,431 1,817,947
Mega MILLENNIUM MANAGEMENT LLC +498,362 852,261
Mega JANE STREET GROUP, LLC +496,067 791,463

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large FRED ALGER MANAGEMENT, LLC −618,141 1,185,953
Mega Invesco Ltd. −477,809 963,572
Large Point72 Asset Management, L.P. −355,849 9,700
Mega JPMORGAN CHASE & CO −175,022 157,293
Mid OAKTREE CAPITAL MANAGEMENT LP −150,000 481,117

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 2,096,199 $669,169,606
Mega VANGUARD CAPITAL MANAGEMENT LLC 2,046,365 $653,261,098
Mega VANGUARD FIDUCIARY TRUST CO 284,008 $90,663,873
Large Holocene Advisors, LP 125,940 $40,203,826
Mid DENDUR CAPITAL LP 124,000 $39,584,520

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 4,457,654 $1,670,907,023
Mega NORGES BANK 602,736 $225,929,562
Mid MAPLELANE CAPITAL, LLC 189,000 $70,844,759
Small Newbrook Capital Advisors LP 140,991 $52,849,066
Mid PointState Capital LP 135,870 $50,929,510
Filter: New 97 Increased 238 Reduced 174 Sold out 113 Unchanged 70
100 of 100 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $1,305,809,350 8.15% 4,090,497
Mid Rubric Capital Management LP $1,149,921,048 7.18% 3,602,171
Mid MFN Partners Management, LP $957,690,000 5.98% 3,000,000
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $669,169,606 4.18% 2,096,199
Mega VANGUARD CAPITAL MANAGEMENT LLC $653,261,098 4.08% 2,046,365
Large LONE PINE CAPITAL LLC $580,343,220 3.62% 1,817,947
Mid Sachem Head Capital Management LP $494,008,425 3.08% 1,547,500
Mid REAVES W H & CO INC $482,259,802 3.01% 1,510,697
Mega STATE STREET CORP $428,730,678 2.68% 1,343,015
Large FRED ALGER MANAGEMENT, LLC $378,591,776 2.36% 1,185,953
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $343,778,787 2.15% 1,076,900
Mega Invesco Ltd. $307,601,084 1.92% 963,572
Mega GEODE CAPITAL MANAGEMENT, LLC $290,470,569 1.81% 909,910
Mega MILLENNIUM MANAGEMENT LLC $251,285,406 1.57% 787,161
Mega Capital World Investors $247,402,930 1.54% 774,999
Mid CARRONADE CAPITAL MANAGEMENT, LP $205,738,627 1.28% 644,484
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $201,402,207 1.26% 630,900
Mid Two Seas Capital LP $184,875,350 1.15% 579,129
Mega JANE STREET GROUP, LLC $177,300,342 1.11% 555,400
Mega FMR LLC $173,877,236 1.09% 544,677
Large WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC $167,664,065 1.05% 525,214
Small Attestor Capital Ltd $153,209,968 0.96% 479,936
Mega AMERICAN CENTURY COMPANIES INC $141,680,977 0.88% 443,821
Mega CITADEL ADVISORS LLC $139,216,203 0.87% 436,100
Mega MORGAN STANLEY $129,766,354 0.81% 406,498
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $126,433,276 0.79% 396,057
Mega CITADEL ADVISORS LLC $124,755,084 0.78% 390,800
Mid YACKTMAN ASSET MANAGEMENT LP $114,890,877 0.72% 359,900
Large Pictet Asset Management Holding SA $106,747,638 0.67% 334,391
Mid OAKTREE CAPITAL MANAGEMENT LP $105,702,479 0.66% 331,117
Mega Capital Research Global Investors $102,950,717 0.64% 322,497
Mega NORTHERN TRUST CORP Bank $101,826,386 0.64% 318,975
Small Deltroit Asset Management (UK) LLP $99,082,607 0.62% 310,380
Mega UBS Group AG $98,560,344 0.62% 308,744
Mega Clearbridge Investments, LLC $96,395,967 0.60% 301,964
Mega Bank of New York Mellon Corp Bank $95,953,508 0.60% 300,578
Mega VANGUARD FIDUCIARY TRUST CO Bank $90,663,873 0.57% 284,008
Mega GOLDMAN SACHS GROUP INC $89,087,195 0.56% 279,069
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $87,821,769 0.55% 275,105
Large Bridgewater Associates, LP $84,946,783 0.53% 266,099
Large Allspring Global Investments Holdings, LLC $82,181,931 0.51% 257,438
Small Glendon Capital Management LP $82,049,771 0.51% 257,024
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC $81,036,854 0.51% 253,851
Large BROWN ADVISORY INC $79,665,441 0.50% 249,555
Mid Atalan Capital Partners, LP $73,295,208 0.46% 229,600
Mega JANE STREET GROUP, LLC $73,231,362 0.46% 229,400
Small Two Creeks Capital Management, LP $71,756,200 0.45% 224,779
Mega JENNISON ASSOCIATES LLC $70,426,287 0.44% 220,613
Small Blue Grotto Capital, LLC $70,230,600 0.44% 220,000
Small Bornite Capital Management LP $66,655,224 0.42% 208,800
Mid Artemis Investment Management LLP $61,079,233 0.38% 191,333
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $58,865,690 0.37% 184,399
Mega BNP PARIBAS ARBITRAGE, SA $58,417,493 0.36% 182,995
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $55,000,455 0.34% 172,291
Large Walleye Trading LLC $53,886,024 0.34% 168,800
Large Squarepoint Ops LLC $51,202,257 0.32% 160,393
Mega WELLINGTON MANAGEMENT GROUP LLP $50,666,269 0.32% 158,714
Mid TREMBLANT CAPITAL GROUP $50,297,878 0.31% 157,560
Mega JPMORGAN CHASE & CO $50,212,642 0.31% 157,293
Large Assenagon Asset Management S.A. $48,981,693 0.31% 153,437
Mega VICTORY CAPITAL MANAGEMENT INC $48,974,031 0.31% 153,413
Mid OAKTREE CAPITAL MANAGEMENT LP $47,884,500 0.30% 150,000
Mega ROYAL BANK OF CANADA Bank $47,052,582 0.29% 147,394
Mega BANK OF AMERICA CORP /DE/ Bank $46,432,319 0.29% 145,451
Small DG Capital Management, LLC $44,692,200 0.28% 140,000
Mid TORTOISE CAPITAL ADVISORS, L.L.C. $44,386,058 0.28% 139,041
Mega BARCLAYS PLC $44,032,350 0.27% 137,933
Large SEI INVESTMENTS CO $44,011,601 0.27% 137,868
Large US BANCORP \DE\ Bank $42,051,848 0.26% 131,729
Large WESTFIELD CAPITAL MANAGEMENT CO LP $41,966,295 0.26% 131,461
Mega FIL Ltd $41,715,380 0.26% 130,675
Mega CITADEL ADVISORS LLC $41,602,372 0.26% 130,321
Large Holocene Advisors, LP $40,203,826 0.25% 125,940
Mid DENDUR CAPITAL LP $39,584,520 0.25% 124,000
Mid GILDER GAGNON HOWE & CO LLC $38,365,380 0.24% 120,181
Large Blackstone Inc. $37,521,974 0.23% 117,539
Mid EVENTIDE ASSET MANAGEMENT, LLC $37,408,329 0.23% 117,183
Mega RHUMBLINE ADVISERS $36,984,710 0.23% 115,856
Mid Clearline Capital LP $36,135,559 0.23% 113,196
Small DG Capital Management, LLC $35,799,729 0.22% 112,144
Mega DIMENSIONAL FUND ADVISORS LP $35,123,278 0.22% 110,025
Small Charter Oak Advisors LP $35,093,273 0.22% 109,931
Mega PRINCIPAL FINANCIAL GROUP INC $32,546,455 0.20% 101,953
Large BANK OF NOVA SCOTIA Bank $32,422,914 0.20% 101,566
Mid Engineers Gate Manager LP $29,048,333 0.18% 90,995
Small TRAN CAPITAL MANAGEMENT, L.P. $28,957,991 0.18% 90,712
Mid CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT $28,507,239 0.18% 89,300
Mega Nuveen, LLC $27,820,893 0.17% 87,150
Mega Amundi $27,364,395 0.17% 85,720
Mid Portolan Capital Management, LLC $26,040,868 0.16% 81,574
Large LOOMIS SAYLES & CO L P $25,645,022 0.16% 80,334
Small Apis Capital Advisors, LLC $25,538,400 0.16% 80,000
Mid Yaupon Capital Management LP $25,268,969 0.16% 79,156
Mega Swiss National Bank Bank $24,529,633 0.15% 76,840
Mid Covalis Capital LLP $24,337,137 0.15% 76,237
Mega California Public Employees Retirement System Pension $23,768,588 0.15% 74,456
Mega T. Rowe Price Investment Management, Inc. $23,401,793 0.15% 73,307
Mid EXCHANGE TRADED CONCEPTS, LLC $23,023,506 0.14% 72,122
Large Value Aligned Research Advisors, LLC $22,251,288 0.14% 69,703
Mega AMERIPRISE FINANCIAL INC $21,875,554 0.14% 68,526
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