Millicom International Cellular (TIGO)

Millicom International Cellular on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders and insider trades. Listed on Nasdaq, classified by the SEC as radiotelephone communications.

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2.6M

Short interest

settlement 2026-10-15

2.3

Days to cover

-0.9 days vs prior

57.6%

Short share of volume

2026-10-28

3,610

Fails to deliver

settlement 2026-09-29

Insider flow, 90 days

0 buys, 0 sells

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 TIGO is 2,620,251 shares, down 417,220 shares over the last month. Over the last 48 readings it ranged from 90,373 shares (29 November 2024) to 5,078,764 shares (15 June 2026). At the reported average volume of 1.1M shares a day that is 2.3 days to cover.

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Settlement	Shares short	Change	Avg daily volume	Days to cover
2026-10-15	2,620,251	-1.2%	1,123,991	2.33
2026-09-30	2,652,846	-12.7%	827,315	3.21
2026-09-15	3,037,471	-7.5%	761,715	3.99
2026-08-31	3,284,383	-19.0%	1,053,337	3.12
2026-08-14	4,053,544	+3.0%	1,373,862	2.95
2026-07-31	3,934,450	-18.6%	1,395,112	2.82
2026-07-15	4,835,346	+7.7%	1,419,805	3.41
2026-06-30	4,489,868	-11.6%	1,910,257	2.35
2026-06-15	5,078,764	+25.6%	1,646,823	3.08
2026-05-29	4,043,769	+7.9%	3,063,227	1.32
2026-05-15	3,748,378	+8.4%	1,313,212	2.85
2026-04-30	3,459,185	-3.0%	1,255,626	2.75
2026-04-15	3,567,332	+41.9%	1,241,325	2.87
2026-03-31	2,514,102	+28.8%	1,577,510	1.59
2026-03-13	1,951,357	-0.3%	1,384,225	1.41
2026-02-27	1,958,239	-12.5%	1,510,759	1.30
2026-02-13	2,238,168	+1.6%	1,296,025	1.73
2026-01-30	2,202,321	-6.3%	1,025,742	2.15
2026-01-15	2,349,794	+2.0%	1,278,003	1.84
2025-12-31	2,302,893	+26.7%	928,788	2.48
2025-12-15	1,817,021	-9.5%	847,075	2.15
2025-11-28	2,008,230	-6.1%	924,070	2.17
2025-11-14	2,139,292	-3.7%	813,947	2.63
2025-10-31	2,221,255	-16.7%	674,674	3.29
2025-10-15	2,667,950	+0.6%	630,139	4.23
2025-09-30	2,652,056	+2.9%	1,033,944	2.56
2025-09-15	2,576,523	-8.0%	1,258,688	2.05
2025-08-29	2,800,189	+27.6%	1,069,936	2.62
2025-08-15	2,195,105	-22.5%	1,259,593	1.74
2025-07-31	2,830,927	+24.0%	1,132,494	2.50
2025-07-15	2,282,660	+34.5%	1,122,433	2.03
2025-06-30	1,696,865	+250.5%	1,538,393	1.10
2025-06-13	484,150	-26.8%	562,318	1.00
2025-05-30	661,253	+65.3%	696,615	1.00
2025-05-15	400,016	+10.5%	704,282	1.00
2025-04-30	362,008	-80.8%	1,125,808	1.00
2025-04-15	1,880,312	+5.7%	1,146,806	1.64
2025-03-31	1,779,705	+28.7%	1,432,665	1.24
2025-03-14	1,382,846	+72.0%	1,161,541	1.19
2025-02-28	803,863	+5.7%	534,678	1.50
2025-02-14	760,539	-46.5%	333,358	2.28
2025-01-31	1,421,708	+78.9%	359,686	3.95
2025-01-15	794,662	+535.2%	310,912	2.56
2024-12-31	125,098	+23.6%	152,673	1.00
2024-12-13	101,209	+12.0%	161,517	1.00
2024-11-29	90,373	-28.7%	106,467	1.00
2024-11-15	126,794	+11.0%	95,359	1.33
2024-10-31	114,222	+88.2%	93,858	1.22

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 28 October 2026, the short share of TIGO volume is 57.6%, up 11.7 points over the last five sessions. Over the last 30 readings it ranged from 19.8% (13 October 2026) to 68.9% (21 September 2026). The latest reading is 11.8 points above the 30-session average of 45.8%, on 239K shares reported.

Date	Short volume	Total volume	Short share	Exempt
2026-10-28	138K	239K	57.6%	0
2026-10-27	104K	248K	42.0%	0
2026-10-26	83K	237K	35.1%	3
2026-10-23	103K	316K	32.6%	7,484
2026-10-22	119K	299K	39.8%	7,062
2026-10-21	107K	233K	45.9%	0
2026-10-20	107K	272K	39.2%	7
2026-10-19	165K	297K	55.5%	0
2026-10-16	207K	399K	51.8%	0
2026-10-15	292K	524K	55.8%	1
2026-10-14	162K	436K	37.1%	338
2026-10-13	117K	587K	19.8%	11
2026-10-12	230K	755K	30.4%	1,168
2026-10-09	213K	480K	44.4%	65
2026-10-08	138K	258K	53.3%	341
2026-10-07	133K	199K	66.8%	0
2026-10-06	73K	183K	40.2%	13
2026-10-05	109K	250K	43.5%	10
2026-10-02	140K	458K	30.7%	14
2026-10-01	222K	639K	34.7%	1,812
2026-09-30	178K	383K	46.5%	0
2026-09-29	132K	211K	62.4%	1
2026-09-28	234K	475K	49.3%	72
2026-09-25	126K	379K	33.4%	34
2026-09-24	90K	346K	26.0%	0
2026-09-23	117K	335K	34.8%	0
2026-09-22	102K	161K	63.3%	59
2026-09-21	125K	182K	68.9%	0
2026-09-18	174K	267K	65.3%	0
2026-09-17	153K	226K	67.6%	0

Fails to deliver

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

As of 29 September 2026, the fails-to-deliver balance in TIGO is 3,610 shares, up 3,439 shares over the last settlement date. Over the last 30 readings it ranged from 2 shares (30 July 2026) to 51,680 shares (1 June 2026). The latest reading sits at the bottom of that range.

Settlement	Shares failed	Price	Value
2026-09-29	3,610	$89.78	$324K
2026-09-24	171	$91.90	$16K
2026-09-21	684	$94.26	$64K
2026-09-14	4	$96.68	$387
2026-09-09	17,444	$95.97	$1.7M
2026-09-08	7,582	$94.83	$719K
2026-09-03	8,060	$95.25	$768K
2026-09-02	8,812	$92.60	$816K
2026-08-31	8,005	$93.38	$748K
2026-08-26	1,670	$95.23	$159K
2026-08-13	7,771	$96.47	$750K
2026-08-06	136	$91.79	$12K
2026-08-05	8	$92.86	$743
2026-07-30	2	$94.18	$188
2026-07-17	10	$95.58	$956
2026-07-15	2,370	$98.16	$233K
2026-07-14	322	$95.74	$31K
2026-07-08	14,000	$92.95	$1.3M
2026-06-29	4,525	$89.26	$404K
2026-06-25	39	$87.52	$3K
2026-06-23	63	$85.35	$5K
2026-06-22	1,167	$84.41	$99K
2026-06-11	60	$89.25	$5K
2026-06-10	2,619	$87.36	$229K
2026-06-02	54	$85.82	$5K
2026-06-01	51,680	$85.36	$4.4M
2026-05-29	28,572	$83.83	$2.4M
2026-05-26	337	$85.84	$29K
2026-05-21	101	$84.11	$8K
2026-05-19	391	$80.73	$32K

Insider trades

SEC Form 4, newest first. JSON

No open-market insider trades were reported for TIGO in the last 90 days. The most recent filings are listed below. Latest filing: Lesina Karim Antonio (EVP, CEA Officer) on 2026-06-11.

Date	Insider	Title	Type	Shares	Price	Value	Owned after
2026-06-11	Lesina Karim Antonio	EVP, CEA Officer	Sell	42K	$90.00	$3.8M	118K
2026-06-01	Escalon Salvador	Chief Legal & Compliance Off.	Sell	41K	$88.52	$3.6M	165K
2026-06-01	Escalon Salvador	Chief Legal & Compliance Off.	Sell	9K	$88.49	$752K	206K
2026-05-20	Trevino de Vega Blanca	Director	Sell	284	$73.92	$21K	14K
2026-05-20	Trevino de Vega Blanca	Director	Grant	1K	$0.00	$0	14K
2026-05-20	Dimovic Justine	Director	Sell	284	$73.92	$21K	9K
2026-05-20	Dimovic Justine	Director	Grant	1K	$0.00	$0	9K
2026-05-20	CHURCHILL BRUCE	Director	Sell	284	$73.92	$21K	27K
2026-05-20	CHURCHILL BRUCE	Director	Grant	1K	$0.00	$0	27K
2026-05-20	Arnal Maria Teresa	Director	Sell	284	$73.92	$21K	14K
2026-05-20	Arnal Maria Teresa	Director	Grant	1K	$0.00	$0	14K

Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.

Planned sales (Form 144)

Newest first. JSON

5 Form 144 notices on file for TIGO worth $7.5M at the prices reported; 0 in the last 90 days worth $0. Latest: Escalon Salvador filed on 2026-05-19 to sell 49,288 shares ($4.0M) from 2026-05-19.

Filed	Seller	Shares	Market value	Of outstanding	Sale from	Broker
2026-05-19	Escalon SalvadorOfficer	49K	$4.0M	0.029%	2026-05-19	Charles Schwab Corporation
2026-03-11	MARCELO DANIEL BENITEZOfficer	725	$53K	0.000%	2026-03-11	Morgan Stanley Smith Barney LLC Executive Financial Services
2026-03-02	Escalon SalvadorOfficer	34K	$2.5M	0.020%	2026-03-02	Charles Schwab Corporation
2026-02-27	MARCELO DANIEL BENITEZOfficer	12K	$839K	0.007%	2026-02-27	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-12-29	MARCELO DANIEL BENITEZOfficer	2K	$102K	0.001%	2025-12-29	Morgan Stanley Smith Barney LLC Executive Financial Services

Large holders (13D and 13G)

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

8 holders report 5% or more of TIGO in their latest filing, all on Schedule 13D (active intent). The largest reported stake is Joseph Niel at 49.5% of the class (82,982,244 shares), filed 2026-09-24 for an event on 2026-09-22.

Filed	Form	Holder	Shares	Of class	Event
2026-09-24	13D/Ano. 30	Joseph Nielindividual	83.0M	49.5%	2026-09-22
2026-09-24	13D/Ano. 30	Elisa Nielindividual	83.0M	49.5%	2026-09-22
2026-09-24	13D/Ano. 30	John Nielindividual	83.0M	49.5%	2026-09-22
2026-09-24	13D/Ano. 30	Jules Nielindividual	83.0M	49.5%	2026-09-22
2026-09-24	13D/Ano. 30	Xavier Nielindividual	83.0M	49.5%	2026-09-22
2026-09-24	13D/Ano. 30	Maya SAScorporation	83.0M	49.5%	2026-09-22
2026-09-24	13D/Ano. 30	Iliad Holding SAScorporation	83.0M	49.5%	2026-09-22
2026-09-24	13D/Ano. 30	Atlas Investissement SAScorporation	83.0M	49.5%	2026-09-22

13F holders

Tracked managers holding TIGO at their latest 13F. JSON

5 of the 30 tracked managers held TIGO at their latest 13F, $76.9M in total at quarter-end prices. Renaissance Technologies is the largest at $42.8M (0.1% of its portfolio) as of 2026-06-30. Over the prior quarter 2 added shares and 3 cut.

Fund	Quarter	Shares	Value	Of portfolio	Change in shares
Renaissance Technologies	2026-06-30	472K	$42.8M	0.06%	-78K
AQR Capital Management	2026-06-30	333K	$30.2M	0.01%	+19K
Two Sigma Investments	2026-06-30	16K	$1.4M	0.00%	-16K
Bridgewater Associates	2026-06-30	14K	$1.3M	0.01%	-4K
D. E. Shaw & Co.	2026-06-30	12K	$1.1M	0.00%	+6K

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

Millicom International Cellular 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 Millicom International Cellular (TIGO), SEC CIK 912958, listed on Nasdaq, 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 2026-09-29.JSON and CSV
Planned sales: SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-05-19.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 2026-09-24.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
Insider trades: SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-06-11.JSON and CSV
Company record: EDGAR filing index for CIK 912958Ticker, 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

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Datasets

Frequently Asked Questions

How much of TIGO is sold short?

2,620,251 shares were held short at the 2026-10-15 settlement, 2.3 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 TIGO's daily short volume?

On 2026-10-28, 137,508 of the 238,850 TIGO shares reported to FINRA were sold short, 57.6% of the day's reported volume. Short volume is a flow for one day, not a position.

Does TIGO have fails to deliver?

The SEC's latest file shows 3,610 TIGO shares failed to deliver at settlement 2026-09-29. Fails are reported per settlement date and published twice a month with a lag.

Are TIGO insiders buying or selling?

No open-market insider trades were reported for TIGO in the last 90 days. The most recent filings are listed below. Latest filing: Lesina Karim Antonio (EVP, CEA Officer) on 2026-06-11.

Have TIGO insiders filed to sell?

5 Form 144 notices on file for TIGO worth $7.5M at the prices reported; 0 in the last 90 days worth $0. Latest: Escalon Salvador filed on 2026-05-19 to sell 49,288 shares ($4.0M) from 2026-05-19.

Who owns 5% or more of TIGO?

Which tracked 13F managers own TIGO?

5 of the 30 tracked 13F managers held TIGO shares at their latest filing, $76.9M in all. The largest: Renaissance Technologies (472K shares, $42.8M), Cliff Asness's AQR Capital Management (333K shares, $30.2M), Two Sigma Investments (16K shares, $1.4M), Ray Dalio's Bridgewater Associates (14K shares, $1.3M), D. E. Shaw & Co. (12K shares, $1.1M).

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