Vault-13

SK TELECOM CO LTD SKM

SPONSORED ADR · ADR · CUSIP 78440P306 · ISIN US78440P3064

South Korean telecommunications company

300 institutional holders +52 vs Q1 2026
43,272,47643.3m shares reported held*
$1.4bnreported value*
91 new 120 added 66 reduced 36 sold out net bought ≈ $283.2m (+8.8m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($5.6m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $32.13. Options: 13 managers hold calls ($73.8m notional), 9 hold puts ($110.3m).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 22: 145Q4 22: 153Q1 23: 153Q2 23: 158Q3 23: 156Q4 23: 171Q1 24: 165Q2 24: 168Q3 24: 181Q4 24: 188Q1 25: 200Q2 25: 194Q3 25: 192Q4 25: 188Q1 26: 248Q2 26: 300300Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 2022145
Q4 2022153
Q1 2023153
Q2 2023158
Q3 2023156
Q4 2023171
Q1 2024165
Q2 2024168
Q3 2024181
Q4 2024188
Q1 2025200
Q2 2025194
Q3 2025192
Q4 2025188
Q1 2026248
Q2 2026300

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
4000400Q3 24: 109 bought or addedQ3 24: 52 cut or sold outQ4 24: 91 bought or addedQ4 24: 78 cut or sold outQ4 24Q1 25: 110 bought or addedQ1 25: 73 cut or sold outQ2 25: 96 bought or addedQ2 25: 96 cut or sold outQ2 25Q3 25: 100 bought or addedQ3 25: 84 cut or sold outQ4 25: 102 bought or addedQ4 25: 99 cut or sold outQ4 25Q1 26: 174 bought or addedQ1 26: 67 cut or sold outQ2 26: 211 bought or addedQ2 26: 102 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 202410952
Q4 20249178
Q1 202511073
Q2 20259696
Q3 202510084
Q4 202510299
Q1 202617467
Q2 2026211102

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$50m$100m$150mQ3 25 calls: $10.2kQ3 25 puts: $43.0kQ3 25P/C 4.23Q4 25 calls: $2.1kQ4 25 puts: $143.7kQ4 25P/C 70.00Q1 26 calls: $37.1mQ1 26 puts: $18.6mQ1 26P/C 0.50Q2 26 calls: $73.8mQ2 26 puts: $110.3mQ2 26P/C 1.50
Numbers
QuarterCallsPutsP/C
Q3 2025$10.2k$43.0k4.23
Q4 2025$2.1k$143.7k70.00
Q1 2026$37.1m$18.6m0.50
Q2 2026$73.8m$110.3m1.50

Biggest buyers

Mawer Investment Management Ltd. New +1,708,146+1.7m
Tidal Investments LLC New +1,332,979+1.3m
SG Americas Securities, LLC New +1,105,621+1.1m
MORGAN STANLEY Added +944,949+944.9k
BlueCrest Capital Management Ltd New +750,000+750.0k
TWO SIGMA INVESTMENTS, LP Added +693,832+693.8k
Incline Global Management LLC New +634,809+634.8k
BlackRock, Inc. Added +601,323+601.3k
South Street Advisors LLC New +597,210+597.2k
CastleKnight Management LP New +490,000+490.0k

Biggest sellers

MILLENNIUM MANAGEMENT LLC Reduced -1,064,824-1.1m
GREAT LAKES ADVISORS, LLC Reduced -725,926-725.9k
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. Reduced -625,110-625.1k
D. E. Shaw & Co., Inc. Reduced -555,453-555.5k
MARSHALL WACE, LLP Reduced -476,835-476.8k
ABN AMRO INVESTMENT SOLUTIONS Reduced -396,000-396.0k
Wealth High Governance Asset Management Ltda. Reduced -271,675-271.7k
VOLORIDGE INVESTMENT MANAGEMENT, LLC Sold out -253,854-253.9k
TODD ASSET MANAGEMENT LLC Sold out -241,511-241.5k
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY Sold out -239,810-239.8k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $17.1m531.5k shares
CastleKnight Management LP New $12.9m400.0k shares
PEAK6 LLC Reduced $10.2m317.4k shares
CITADEL ADVISORS LLC Added $9.6m299.7k shares
JANE STREET GROUP, LLC New $8.0m247.7k shares
SIMPLEX TRADING, LLC Added $4.4m136.1k shares
GROUP ONE TRADING LLC Added $4.3m133.2k shares
IMC-Chicago, LLC Added $3.6m112.9k shares
MILLENNIUM MANAGEMENT LLC New $1.9m60.4k shares
Walleye Trading LLC Added $1.2m38.5k shares

Biggest puts

JANE STREET GROUP, LLC Added $63.9m2.0m shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $15.5m481.9k shares
CITADEL ADVISORS LLC Added $8.0m249.2k shares
IMC-Chicago, LLC Added $7.7m240.4k shares
Walleye Trading LLC Added $6.4m199.8k shares
GROUP ONE TRADING LLC Added $5.4m167.4k shares
SIMPLEX TRADING, LLC Reduced $1.9m58.9k shares
TUDOR INVESTMENT CORP ET AL New $1.2m37.5k shares
Walleye Capital LLC Added $254.1k7.9k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock, Inc. 0.00% of their portfolio New York, NY 5,032,2275.0m $161.8m $161.8m 0.00% Added +601.3k +601,323
2 MORGAN STANLEY 0.01% of their portfolio NEW YORK, NY 3,994,3234.0m $128.5m $128.5m 0.01% Added +944.9k +944,949
3 NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.13% of their portfolio PHILADELPHIA, PA 2,656,7892.7m $85.4m $85.4m 0.13% Reduced -625.1k -625,110
4 Robeco Institutional Asset Management B.V. 0.10% of their portfolio ROTTERDAM, P7 2,556,6412.6m $82.2m $82.2m 0.10% Reduced -136.7k -136,732
5 Mawer Investment Management Ltd. 0.37% of their portfolio CALGARY, A0 1,708,1461.7m $54.9m $54.9m 0.37% New
6 TWO SIGMA INVESTMENTS, LP 0.04% of their portfolio NEW YORK, NY 1,555,2801.6m $50.0m $50.0m 0.04% Added +693.8k +693,832
7 Tidal Investments LLC 0.10% of their portfolio Milwaukee, WI 1,332,9791.3m $42.9m $42.9m 0.10% New
8 Creative Planning 0.02% of their portfolio OVERLAND PARK, KS 1,126,1971.1m $36.2m $36.2m 0.02% Added +108.6k +108,580
9 SG Americas Securities, LLC 0.02% of their portfolio NEW YORK, NY 1,105,6211.1m $35.6m $35.6m 0.02% New
10 AMERICAN CENTURY COMPANIES INC 0.01% of their portfolio KANSAS CITY, MO 979,695979.7k $31.5m $31.5m 0.01% Added +400.4k +400,441
11 JANE STREET GROUP, LLC 0.02% of their portfolio NEW YORK, NY 859,484859.5k $27.6m $27.6m 0.02% Added +432.6k +432,578
12 BlueCrest Capital Management Ltd 1.03% of their portfolio ST HELIER, Y9 750,000750.0k $24.1m $24.1m 1.03% New
13 Point72 Asset Management, L.P. 0.04% of their portfolio STAMFORD, CT 715,027715.0k $23.0m $23.0m 0.04% Added +465.6k +465,630
14 Incline Global Management LLC 5.73% of their portfolio New York, NY 634,809634.8k $20.4m $20.4m 5.73% New
15 UBS Group AG 0.00% of their portfolio ZURICH, V8 612,687612.7k $19.7m $19.7m 0.00% Added +454.1k +454,138
16 South Street Advisors LLC 2.50% of their portfolio New York, NY 597,210597.2k $19.2m $19.2m 2.50% New
17 BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio PARIS, I0 574,342574.3k $18.5m $18.5m 0.01% Reduced -46.2k -46,161
18 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 544,371544.4k $17.5m $17.5m 0.00% Added +198.9k +198,936
19 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 536,878536.9k $17.3m $17.3m 0.00% Reduced -30.6k -30,624
20 Allspring Global Investments Holdings, LLC 0.02% of their portfolio CHARLOTTE, NC 507,115507.1k $16.2m $16.2m 0.02% Reduced -40.8k -40,783
21 CastleKnight Management LP 0.57% of their portfolio New York, NY 490,000490.0k $15.8m $15.8m 0.57% New
22 GREAT LAKES ADVISORS, LLC 0.11% of their portfolio CHICAGO, IL 455,020455.0k $14.6m $14.6m 0.11% Reduced -725.9k -725,926
23 Nykredit A/S 0.05% of their portfolio NORDHAVN, G7 450,102450.1k $14.5m $14.5m 0.05% First filing
24 Baird Financial Group, Inc. 0.02% of their portfolio MILWAUKEE, WI 449,606449.6k $14.5m $14.5m 0.02% New
25 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio BALA CYNWYD, PA 422,449422.4k $13.6m $13.6m 0.01% Added +404.9k +404,920
26 CIBC WORLD MARKET INC. 0.02% of their portfolio TORONTO, A6 339,851339.9k $10.9m $10.9m 0.02% Reduced -80.1k -80,099
27 Quantinno Capital Management LP 0.01% of their portfolio NEW YORK, NY 311,180311.2k $10.0m $10.0m 0.01% Added +76.0k +75,959
28 O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.05% of their portfolio Stamford, CT 302,798302.8k $9.7m $9.7m 0.05% Reduced -73.4k -73,415
29 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 301,775301.8k $9.7m $9.7m 0.01% Added +264.1k +264,088
30 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 300,102300.1k $9.7m $9.7m 0.00% Added +15.8k +15,782
31 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 289,624289.6k $9.3m $9.3m 0.01% Reduced -1.1m -1,064,824
32 Promethos Capital, LLC 2.42% of their portfolio BOSTON, MA 277,210277.2k $8.9m $8.9m 2.42% Added +20.5k +20,470
33 Clearbridge Investments, LLC 0.01% of their portfolio NEW YORK, NY 276,219276.2k $8.9m $8.9m 0.01% Added +187.0k +187,048
34 Metavasi Capital LP 3.19% of their portfolio LARCHMONT, NY 255,000255.0k $8.2m $8.2m 3.19% New
35 GILDER GAGNON HOWE & CO LLC 0.08% of their portfolio New York, NY 252,320252.3k $8.1m $8.1m 0.08% New
36 Connor, Clark & Lunn Investment Management Ltd. 0.01% of their portfolio VANCOUVER, A1 237,010237.0k $7.6m $7.6m 0.01% New
37 SIH Partners, LLLP 0.30% of their portfolio Wilmington, DE 227,216227.2k $7.3m $7.3m 0.30% Added +207.1k +207,147
38 Euro Pacific Asset Management, LLC 0.80% of their portfolio DORADO, PR 223,223223.2k $7.0m $7.0m 0.80% Reduced -334 -334
39 Wealth High Governance Asset Management Ltda. 0.74% of their portfolio SAO PAULO, D5 217,120217.1k $7.0m $7.0m 0.74% Reduced -271.7k -271,675
40 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 214,129214.1k $6.9m $6.9m 0.00% Reduced -7.0k -7,020
41 OVERSEA-CHINESE BANKING Corp Ltd 0.16% of their portfolio SINGAPORE, U0 211,019211.0k $6.8m $6.8m 0.16% Added +19.4k +19,393
42 Vanguard Personalized Indexing Management, LLC 0.06% of their portfolio OAKLAND, CA 210,297210.3k $6.8m $6.8m 0.06% Added +46.1k +46,116
43 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 194,370194.4k $6.3m $6.3m 0.00% Added +19.5k +19,526
44 Gradient Investments LLC 0.08% of their portfolio ARDEN HILLS, MN 190,819190.8k $6.1m $6.1m 0.08% Added +2.0k +2,038
45 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 190,333190.3k $6.1m $6.1m 0.00% New
46 GROUP ONE TRADING LLC 0.17% of their portfolio CHICAGO, IL 187,459187.5k $6.0m $6.0m 0.17% Added +55.4k +55,369
47 HRT FINANCIAL LP 0.01% of their portfolio NEW YORK, NY 176,899176.9k $5.7m $5.7m 0.01% Added +159.4k +159,442
48 ABN AMRO INVESTMENT SOLUTIONS 0.05% of their portfolio PARIS CEDEX 008, I0 172,343172.3k $5.5m $5.5m 0.05% Reduced -396.0k -396,000
49 Ethic Inc. 0.07% of their portfolio NEW YORK, NY 170,811170.8k $5.5m $5.5m 0.07% Added +14.3k +14,298
50 IMC-Chicago, LLC 0.05% of their portfolio CHICAGO, IL 167,090167.1k $5.4m $5.4m 0.05% Added +87.5k +87,540
51 Barrier Capital Management, LLC 3.54% of their portfolio SAN FRANCISCO, CA 150,591150.6k $4.8m $4.8m 3.54% Reduced -43.5k -43,500
52 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 150,468150.5k $4.8m $4.8m 0.00% Added +34.9k +34,854
53 Calamos Advisors LLC 0.02% of their portfolio NAPERVILLE, IL 139,164139.2k $4.5m $4.5m 0.02% Reduced -170.3k -170,319
54 CAPITAL FUND MANAGEMENT S.A. 0.03% of their portfolio PARIS, I0 134,900134.9k $4.3m $4.3m 0.03% Added +95.6k +95,612
55 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 132,761132.8k $4.3m $4.3m 0.00% Added +113.1k +113,082
56 FIRST TRUST ADVISORS LP 0.00% of their portfolio Wheaton, IL 130,886130.9k $4.2m $4.2m 0.00% Reduced -24.4k -24,408
57 Walleye Trading LLC 0.05% of their portfolio NEW YORK, NY 122,769122.8k $3.9m $3.9m 0.05% Added +78.3k +78,332
58 Laird Norton Wetherby Trust Company, LLC 0.08% of their portfolio Seattle, WA 121,446121.4k $3.9m $3.9m 0.08% Added +18.3k +18,335
59 Calamos Wealth Management LLC 0.11% of their portfolio NAPERVILLE, IL 117,022117.0k $3.8m $3.8m 0.11% Reduced -2.9k -2,860
60 Sequoia Financial Advisors, LLC 0.02% of their portfolio Akron, OH 115,030115.0k $3.7m $3.7m 0.02% Reduced -2.4k -2,413
61 Vident Advisory, LLC 0.03% of their portfolio Alpharetta, GA 110,974111.0k $3.6m $3.6m 0.03% Reduced -15.5k -15,493
62 Cerity Partners LLC 0.00% of their portfolio NEW YORK, NY 110,151110.2k $3.5m $3.5m 0.00% Added +19.5k +19,462
63 Trexquant Investment LP 0.02% of their portfolio STAMFORD, CT 109,497109.5k $3.5m $3.5m 0.02% New
64 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 105,905105.9k $3.4m $3.4m 0.00% Added +12.3k +12,312
65 XTX Topco Ltd 0.04% of their portfolio LONDON, X0 103,743103.7k $3.3m $3.3m 0.04% Added +58.7k +58,709
66 Capital Wealth Planning, LLC 0.02% of their portfolio NAPLES, FL 102,929102.9k $3.3m $3.3m 0.02% Added +17.9k +17,928
67 Murchinson Ltd. 1.55% of their portfolio TORONTO, A6 100,000100.0k $3.2m $3.2m 1.55% New
68 Balyasny Asset Management L.P. 0.01% of their portfolio Chicago, IL 98,03198.0k $3.2m $3.2m 0.01% Added +74.2k +74,193
69 QUADRANT CAPITAL GROUP LLC 0.08% of their portfolio CINCINNATI, OH 94,61094.6k $3.0m $3.0m 0.08% Added +1.8k +1,845
70 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 94,49594.5k $3.0m $3.0m 0.00% Added +75.8k +75,784
71 Boston Common Asset Management, LLC 0.18% of their portfolio BOSTON, MA 92,61592.6k $3.0m $3.0m 0.18% Reduced -34.1k -34,066
72 Corient Private Wealth LP 0.00% of their portfolio MIAMI, FL 91,71091.7k $2.9m $2.9m 0.00% Added +4.4k +4,358
73 Mediolanum International Funds Ltd 0.02% of their portfolio DUBLIN 1, L2 86,04286.0k $2.8m $2.8m 0.02% New
74 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 83,99584.0k $2.7m $2.7m 0.00% Added +73.2k +73,225
75 DekaBank Deutsche Girozentrale 0.00% of their portfolio FRANKFURT, 2M 83,45083.5k $2.4m $2.4m 0.00% Unchanged
76 LSV ASSET MANAGEMENT 0.00% of their portfolio CHICAGO, IL 83,21283.2k $2.7m $2.7m 0.00% Reduced -97.0k -96,958
77 BW Gestao de Investimentos Ltda. 0.06% of their portfolio SAO PAULO, D5 82,88082.9k $2.7m $2.7m 0.06% Reduced -181.4k -181,367
78 Wealth High Governance Capital Ltda 0.80% of their portfolio SAO PAULO, D5 82,88082.9k $2.7m $2.7m 0.80% Reduced -181.4k -181,367
79 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 80,88080.9k $2.6m $2.6m 0.00% New
80 Rye Brook Capital LLC 1.70% of their portfolio GREENWICH, CT 75,27075.3k $2.4m $2.4m 1.70% New
81 US BANCORP \DE\ 0.00% of their portfolio MINNEAPOLIS, MN 75,07875.1k $2.4m $2.4m 0.00% Added +4.4k +4,355
82 Pathstone Holdings, LLC 0.01% of their portfolio ENGLEWOOD, NJ 72,84172.8k $2.3m $2.3m 0.01% Added +10.6k +10,591
83 Mariner, LLC 0.00% of their portfolio Overland Park, KS 70,24070.2k $2.3m $2.3m 0.00% Reduced -10.1k -10,119
84 FMR LLC 0.00% of their portfolio BOSTON, MA 69,89269.9k $2.2m $2.2m 0.00% Reduced -20.7k -20,698
85 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 69,45569.5k $2.2m $2.2m 0.00% Reduced -555.5k -555,453
86 Metatron Capital SICAV plc - Metatron Long Term Equity Fund 1.23% of their portfolio BIRKIRKARA, O1 68,00068.0k $2.5m $2.5m 1.23% First filing
87 Orion Porfolio Solutions, LLC 0.02% of their portfolio OMAHA, NE 67,84567.8k $2.2m $2.2m 0.02% Added +654 +654
88 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 67,61167.6k $2.2m $2.2m 0.00% Reduced -7.0k -7,049
89 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 67,55767.6k $2.2m $2.2m 0.00% Added +16.5k +16,519
90 Y-Intercept (Hong Kong) Ltd 0.04% of their portfolio HONG KONG, K3 65,34465.3k $2.1m $2.1m 0.04% New
91 Ballentine Partners, LLC 0.03% of their portfolio Waltham, MA 65,11765.1k $2.1m $2.1m 0.03% Added +10.4k +10,411
92 GUGGENHEIM CAPITAL LLC 0.01% of their portfolio CHICAGO, IL 62,20762.2k $2.0m $2.0m 0.01% Reduced -1.9k -1,927
93 Jump Financial, LLC 0.02% of their portfolio Chicago, IL 61,50761.5k $2.0m $2.0m 0.02% New
94 PNC Financial Services Group, Inc. 0.00% of their portfolio Pittsburgh, PA 59,93559.9k $1.9m $1.9m 0.00% Added +6.5k +6,487
95 Frank, Rimerman Advisors LLC 0.11% of their portfolio Palo Alto, CA 59,57759.6k $1.9m $1.9m 0.11% Added +361 +361
96 Caprock Group, LLC 0.04% of their portfolio BOISE, ID 59,41659.4k $1.9m $1.9m 0.04% Reduced -3.8k -3,765
97 B. Metzler seel. Sohn & Co. AG 0.02% of their portfolio FRANKFURT, 2M 59,05759.1k $1.9m $1.9m 0.02% Added +46.4k +46,422
98 IEQ CAPITAL, LLC 0.01% of their portfolio Foster City, CA 58,49558.5k $1.9m $1.9m 0.01% Reduced -564 -564
99 Henry James International Management Inc. 0.56% of their portfolio NEW YORK, NY 58,20458.2k $1.9m $1.9m 0.56% Added +7.0k +7,015
100 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 52,74152.7k $1.7m $1.7m 0.00% Reduced -55.3k -55,265