SK Telecom (SKM)

SK Telecom on one page: short interest, daily short volume, fails to deliver, large holders and 13F holders. Listed on NYSE, classified by the SEC as radiotelephone communications.

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1.7M

Short interest

settlement 2026-10-15

1.1

Days to cover

-0.5 days vs prior

31.8%

Short share of volume

2026-10-28

185

Fails to deliver

settlement 2026-09-21

As of 2026-10-28.

Short interest

FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSON

As of 15 October 2026, short interest in SKM is 1,725,657 shares, down 1,558,246 shares over the last month. Over the last 48 readings it ranged from 440,463 shares (15 November 2024) to 4,424,973 shares (30 April 2026). At the reported average volume of 1.5M shares a day that is 1.1 days to cover.

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Settlement	Shares short	Change	Avg daily volume	Days to cover
2026-10-15	1,725,657	+4.2%	1,496,117	1.15
2026-09-30	1,655,786	-49.6%	979,715	1.69
2026-09-15	3,283,903	+83.0%	1,577,633	2.08
2026-08-31	1,793,955	-24.7%	1,839,206	1.00
2026-08-14	2,382,253	+6.9%	1,954,798	1.22
2026-07-31	2,229,077	-42.6%	3,066,527	1.00
2026-07-15	3,886,580	+8.9%	2,271,324	1.71
2026-06-30	3,568,400	-15.1%	2,572,476	1.39
2026-06-15	4,204,763	-1.0%	3,878,705	1.08
2026-05-29	4,248,588	+17.8%	2,564,847	1.66
2026-05-15	3,608,254	-18.5%	2,162,401	1.67
2026-04-30	4,424,973	+29.5%	2,257,244	1.96
2026-04-15	3,416,537	-15.5%	1,763,211	1.94
2026-03-31	4,043,366	+11.8%	1,231,463	3.28
2026-03-13	3,618,129	+63.5%	2,090,700	1.73
2026-02-27	2,212,539	-8.6%	1,712,001	1.29
2026-02-13	2,419,824	+12.3%	2,353,195	1.03
2026-01-30	2,155,830	+13.6%	1,999,669	1.08
2026-01-15	1,897,081	+13.2%	791,763	2.40
2025-12-31	1,675,439	+7.7%	747,210	2.24
2025-12-15	1,556,324	-15.9%	628,512	2.48
2025-11-28	1,850,796	+47.5%	958,228	1.93
2025-11-14	1,254,317	+1.4%	758,963	1.65
2025-10-31	1,237,108	+12.9%	543,489	2.28
2025-10-15	1,095,944	+26.8%	375,685	2.92
2025-09-30	864,447	+5.7%	321,769	2.69
2025-09-15	817,967	-19.8%	406,151	2.01
2025-08-29	1,019,921	+0.8%	331,726	3.07
2025-08-15	1,011,511	+14.1%	305,805	3.31
2025-07-31	886,408	-11.5%	358,850	2.47
2025-07-15	1,001,468	-4.6%	427,337	2.34
2025-06-30	1,049,815	+69.0%	666,292	1.58
2025-06-13	621,255	-16.0%	473,053	1.31
2025-05-30	739,535	+0.5%	390,922	1.89
2025-05-15	735,960	-30.9%	513,608	1.43
2025-04-30	1,065,389	+17.1%	405,723	2.63
2025-04-15	909,719	+17.4%	524,564	1.73
2025-03-31	774,803	-16.7%	337,782	2.29
2025-03-14	929,671	-12.7%	348,734	2.67
2025-02-28	1,064,356	+25.5%	363,740	2.93
2025-02-14	847,930	+9.3%	172,950	4.90
2025-01-31	776,068	+26.7%	196,318	3.95
2025-01-15	612,344	+10.4%	227,321	2.69
2024-12-31	554,871	-22.9%	235,369	2.36
2024-12-13	719,801	+6.7%	315,186	2.28
2024-11-29	674,911	+53.2%	226,964	2.97
2024-11-15	440,463	-16.4%	216,364	2.04
2024-10-31	527,131	-13.8%	232,787	2.26

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 28 October 2026, the short share of SKM volume is 31.8%, up 6.2 points over the last five sessions. Over the last 30 readings it ranged from 19.4% (27 October 2026) to 62.7% (13 October 2026). The latest reading is 6.7 points below the 30-session average of 38.5%, on 674K shares reported.

Date	Short volume	Total volume	Short share	Exempt
2026-10-28	214K	674K	31.8%	213
2026-10-27	140K	719K	19.4%	2,745
2026-10-26	140K	598K	23.4%	429
2026-10-23	120K	470K	25.5%	1,366
2026-10-22	94K	404K	23.3%	1,062
2026-10-21	67K	261K	25.6%	218
2026-10-20	135K	371K	36.4%	27
2026-10-19	104K	316K	32.9%	0
2026-10-16	159K	418K	38.1%	0
2026-10-15	320K	1.0M	31.0%	0
2026-10-14	202K	486K	41.6%	232
2026-10-13	461K	736K	62.7%	380
2026-10-12	342K	589K	58.1%	622
2026-10-09	109K	284K	38.3%	688
2026-10-08	139K	452K	30.6%	2,674
2026-10-07	148K	408K	36.3%	376
2026-10-06	88K	291K	30.1%	13
2026-10-05	148K	413K	35.7%	0
2026-10-02	315K	542K	58.2%	0
2026-10-01	379K	864K	43.9%	757
2026-09-30	149K	356K	41.8%	0
2026-09-29	105K	223K	47.3%	0
2026-09-28	184K	395K	46.7%	0
2026-09-25	153K	333K	45.9%	0
2026-09-24	77K	290K	26.6%	0
2026-09-23	248K	463K	53.5%	552
2026-09-22	204K	466K	43.6%	124
2026-09-21	236K	529K	44.6%	505
2026-09-18	162K	363K	44.5%	1,290
2026-09-17	189K	517K	36.5%	61

Fails to deliver

SEC, the last 30 settlement dates with a fail. JSON

As of 21 September 2026, the fails-to-deliver balance in SKM is 185 shares, down 64,220 shares over the last settlement date. Over the last 30 readings it ranged from 4 shares (21 May 2026) to 112,924 shares (22 June 2026). The latest reading sits at the bottom of that range.

Settlement	Shares failed	Price	Value
2026-09-21	185	$35.90	$7K
2026-09-08	64,405	$38.70	$2.5M
2026-09-01	10	$38.39	$384
2026-08-28	2,114	$39.47	$83K
2026-08-27	2,114	$39.80	$84K
2026-08-25	1,001	$40.00	$40K
2026-08-24	100	$40.29	$4K
2026-08-17	158	$38.51	$6K
2026-08-13	316	$35.05	$11K
2026-08-11	33,030	$33.29	$1.1M
2026-08-10	477	$34.26	$16K
2026-08-07	18,000	$35.67	$642K
2026-08-03	7,000	$31.63	$221K
2026-07-23	78	$33.94	$3K
2026-07-21	2,837	$31.41	$89K
2026-07-20	6,415	$30.62	$196K
2026-07-17	3,118	$31.76	$99K
2026-07-13	2,848	$33.23	$95K
2026-07-10	2,654	$32.78	$87K
2026-07-09	2,654	$32.32	$86K
2026-07-08	2,654	$31.05	$82K
2026-07-06	3,024	$31.80	$96K
2026-06-24	607	$33.45	$20K
2026-06-22	112,924	$36.21	$4.1M
2026-06-17	23	$36.91	$849
2026-06-11	41,932	$37.81	$1.6M
2026-06-10	59,788	$41.21	$2.5M
2026-06-02	911	$44.43	$40K
2026-05-21	4	$37.96	$152
2026-05-14	174	$39.63	$7K

Large holders (13D and 13G)

One row per reporting person with its latest filing, newest first. JSON

No holder on file reports 5% or more of SKM in its latest filing.

Filed	Form	Holder	Shares	Of class	Event
2026-08-13	13G/Ano. 1	Wellington Management Group LLPparent holding company	3.2M	1.5%	2026-06-30
2026-08-13	13G/Ano. 1	Wellington Group Holdings LLPparent holding company	3.2M	1.5%	2026-06-30
2026-08-13	13G/Ano. 1	Wellington Investment Advisors Holdings LLPparent holding company	3.2M	1.5%	2026-06-30

13F holders

Tracked managers holding SKM at their latest 13F. JSON

7 of the 30 tracked managers held SKM at their latest 13F, $99.8M in total at quarter-end prices. Two Sigma Investments is the largest at $50.0M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 5 added shares and 2 cut.

Fund	Quarter	Shares	Value	Of portfolio	Change in shares
Two Sigma Investments	2026-06-30	1.6M	$50.0M	0.04%	+694K
Point72 Asset Management	2026-06-30	715K	$23.0M	0.03%	+466K
Renaissance Technologies	2026-06-30	302K	$9.7M	0.01%	+264K
Millennium Management	2026-06-30	290K	$9.3M	0.00%	-1.1M
Citadel Advisors	2026-06-30	150K	$4.8M	0.00%	+35K
D. E. Shaw & Co.	2026-06-30	69K	$2.2M	0.00%	-555K
AQR Capital Management	2026-06-30	20K	$647K	0.00%	new

Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.

What this page is

SK Telecom in the regulatory record

Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.

Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.

This page follows SK Telecom (SKM), SEC CIK 1015650, listed on NYSE, classified by the SEC as radiotelephone communications. The cross-market tables live on the short interest and insider transactions hubs.

Source and updates

Short interest: FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
Daily short volume: FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-28.JSON and CSV
Fails to deliver: SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-21.JSON and CSV
Large holders: SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-08-13.JSON and CSV
13F holders: SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
Company record: EDGAR filing index for CIK 1015650Ticker, name and exchange from the SEC's company list, refreshed weekly.
Rate limits: 10 requests a minute without a key, 30 with a free key from a free account.

How to read it

Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.

Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.

Other companies the SEC classifies as radiotelephone communications

Other company pages

Datasets

Frequently Asked Questions

How much of SKM is sold short?

1,725,657 shares were held short at the 2026-10-15 settlement, 1.1 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.

What is SKM's daily short volume?

On 2026-10-28, 214,127 of the 673,713 SKM shares reported to FINRA were sold short, 31.8% of the day's reported volume. Short volume is a flow for one day, not a position.

Does SKM have fails to deliver?

The SEC's latest file shows 185 SKM shares failed to deliver at settlement 2026-09-21. Fails are reported per settlement date and published twice a month with a lag.

Are SKM insiders buying or selling?

No Form 4 filings for SKM are on record.

Who owns 5% or more of SKM?

No holder on file reports 5% or more of SKM in its latest filing.

Which tracked 13F managers own SKM?

7 of the 30 tracked 13F managers held SKM shares at their latest filing, $99.8M in all. The largest: Two Sigma Investments (1.6M shares, $50.0M), Steve Cohen's Point72 Asset Management (715K shares, $23.0M), Renaissance Technologies (302K shares, $9.7M), Izzy Englander's Millennium Management (290K shares, $9.3M), Ken Griffin's Citadel Advisors (150K shares, $4.8M), D. E. Shaw & Co. (69K shares, $2.2M). The table above lists all 7.

Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.