Weis Markets (WMK)

Weis Markets on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE.

Download CSV

2.7M

Short interest

settlement 2026-10-15

18.4

Days to cover

+8.7 days vs prior

67.2%

Short share of volume

2026-11-02

Fails to deliver

settlement 2026-10-09

Tue 3 Nov

Next earnings

estimated date

Insider flow, 90 days

0 buys, 0 sells

As of 2026-11-02.

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 WMK is 2,728,174 shares, up 142,000 shares over the last month. Over the last 48 readings it ranged from 1,218,735 shares (30 May 2025) to 2,754,756 shares (30 September 2026). The latest reading sits at the top of that range. At the reported average volume of 149K shares a day that is 18.4 days to cover.

Embed this chart.The embed keeps its attribution line.

<iframe src="https://xoomar.com/embed/stocks/wmk" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>

Preview Dark previewAdd ?theme=dark to the src for a dark chart.

Settlement	Shares short	Change	Avg daily volume	Days to cover
2026-10-15	2,728,174	-1.0%	148,687	18.35
2026-09-30	2,754,756	+6.5%	284,357	9.69
2026-09-15	2,586,174	+6.3%	153,453	16.85
2026-08-31	2,431,651	+1.3%	145,039	16.77
2026-08-14	2,401,697	-0.6%	178,735	13.44
2026-07-31	2,415,465	+9.5%	147,840	16.34
2026-07-15	2,206,645	+17.9%	165,437	13.34
2026-06-30	1,870,781	+6.6%	212,568	8.80
2026-06-15	1,754,991	-0.4%	168,369	10.42
2026-05-29	1,762,680	+6.8%	128,326	13.74
2026-05-15	1,650,836	-4.9%	155,436	10.62
2026-04-30	1,736,144	+1.6%	123,295	14.08
2026-04-15	1,708,959	+3.3%	129,035	13.24
2026-03-31	1,653,646	+3.6%	155,339	10.65
2026-03-13	1,596,571	+6.5%	187,467	8.52
2026-02-27	1,498,478	+4.6%	149,539	10.02
2026-02-13	1,433,186	+11.3%	125,779	11.39
2026-01-30	1,287,679	-4.9%	106,014	12.15
2026-01-15	1,353,508	+1.2%	111,663	12.12
2025-12-31	1,337,331	-2.3%	162,868	8.21
2025-12-15	1,369,017	-3.0%	125,792	10.88
2025-11-28	1,410,589	+3.6%	114,450	12.32
2025-11-14	1,361,256	+0.2%	135,039	10.08
2025-10-31	1,358,439	+6.4%	108,358	12.54
2025-10-15	1,276,565	+0.8%	142,058	8.99
2025-09-30	1,266,203	-7.7%	290,796	4.35
2025-09-15	1,372,322	+1.9%	123,169	11.14
2025-08-29	1,346,450	-3.2%	133,048	10.12
2025-08-15	1,391,499	-0.1%	142,392	9.77
2025-07-31	1,393,625	+3.0%	112,639	12.37
2025-07-15	1,352,664	-1.8%	96,462	14.02
2025-06-30	1,377,860	+9.5%	146,135	9.43
2025-06-13	1,257,990	+3.2%	112,716	11.16
2025-05-30	1,218,735	-4.1%	133,981	9.10
2025-05-15	1,270,308	-7.3%	186,198	6.82
2025-04-30	1,370,385	+1.3%	131,925	10.39
2025-04-15	1,353,508	-6.3%	126,873	10.67
2025-03-31	1,444,264	+0.4%	151,483	9.53
2025-03-14	1,438,338	-8.2%	128,966	11.15
2025-02-28	1,566,490	-2.1%	124,398	12.59
2025-02-14	1,599,728	+12.0%	81,864	19.54
2025-01-31	1,427,855	+3.7%	79,046	18.06
2025-01-15	1,377,183	+1.3%	70,145	19.63
2024-12-31	1,360,037	-8.7%	76,811	17.71
2024-12-13	1,488,787	-10.1%	90,087	16.53
2024-11-29	1,655,060	-1.3%	68,936	24.01
2024-11-15	1,677,533	+0.6%	92,255	18.18
2024-10-31	1,667,708	+1.1%	63,982	26.07

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 2 November 2026, the short share of WMK volume is 67.2%, down 4.3 points over the last five sessions. Over the last 30 readings it ranged from 38.9% (28 September 2026) to 87.0% (22 September 2026). The latest reading is in line with the 30-session average of 68.6%, on 43K shares reported.

Date	Short volume	Total volume	Short share	Exempt
2026-11-02	29K	43K	67.2%	0
2026-10-30	46K	63K	72.4%	0
2026-10-29	43K	58K	74.0%	0
2026-10-28	30K	49K	60.8%	0
2026-10-27	24K	38K	63.2%	0
2026-10-26	38K	54K	71.4%	0
2026-10-23	53K	70K	75.0%	0
2026-10-22	59K	75K	78.7%	0
2026-10-21	54K	72K	75.4%	0
2026-10-20	52K	67K	76.5%	0
2026-10-19	38K	51K	74.5%	0
2026-10-16	35K	48K	73.0%	0
2026-10-15	41K	53K	77.4%	0
2026-10-14	26K	41K	63.5%	0
2026-10-13	26K	36K	73.5%	115
2026-10-12	14K	21K	68.4%	0
2026-10-09	22K	33K	66.3%	0
2026-10-08	27K	49K	54.5%	0
2026-10-07	33K	57K	58.8%	101
2026-10-06	38K	69K	54.8%	0
2026-10-05	40K	69K	57.5%	0
2026-10-02	37K	64K	57.3%	0
2026-10-01	42K	58K	73.0%	0
2026-09-30	80K	92K	86.9%	41
2026-09-29	24K	42K	58.6%	0
2026-09-28	14K	36K	38.9%	0
2026-09-25	29K	45K	64.2%	0
2026-09-24	62K	86K	71.9%	0
2026-09-23	69K	83K	83.1%	0
2026-09-22	84K	97K	87.0%	0

Fails to deliver

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

As of 9 October 2026, the fails-to-deliver balance in WMK is 1 share, down 96 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (6 May 2026) to 18,849 shares (11 May 2026). The latest reading sits at the bottom of that range.

Settlement	Shares failed	Price	Value
2026-10-09	1	$72.53	$73
2026-10-08	97	$73.26	$7K
2026-10-06	1	$74.01	$74
2026-10-05	1,201	$74.04	$89K
2026-09-25	4,722	$72.31	$341K
2026-09-21	13,935	$72.26	$1.0M
2026-09-10	591	$69.76	$41K
2026-09-09	186	$70.87	$13K
2026-08-27	383	$70.70	$27K
2026-08-26	687	$70.89	$49K
2026-08-25	96	$71.04	$7K
2026-08-24	42	$71.00	$3K
2026-08-17	38	$70.93	$3K
2026-08-06	920	$74.66	$69K
2026-07-30	1	$77.79	$78
2026-07-10	46	$79.17	$4K
2026-07-07	10	$80.27	$803
2026-07-06	10,871	$80.10	$871K
2026-07-01	7	$78.31	$548
2026-06-18	147	$76.45	$11K
2026-06-16	12	$79.24	$951
2026-06-15	3	$82.63	$248
2026-06-12	252	$82.54	$21K
2026-06-11	32	$82.06	$3K
2026-06-05	2	$75.68	$151
2026-05-22	7,775	$72.24	$562K
2026-05-15	114	$71.17	$8K
2026-05-13	7,108	$68.85	$489K
2026-05-11	18,849	$70.86	$1.3M
2026-05-06	1	$69.55	$70

Insider trades

SEC Form 4, newest first. JSON

No open-market insider trades were reported for WMK in the last 90 days. The most recent filings are listed below. Latest filing: WEIS JONATHAN H (CEO, Chairman of the Board) on 2026-06-01.

Date	Insider	Title	Type	Shares	Price	Value	Owned after
2026-06-01	WEIS JONATHAN H	CEO, Chairman of the Board	Inheritance	1.4M	$0.00	$0	1.4M
2026-06-01	WEIS JONATHAN H	CEO, Chairman of the Board	Inheritance	1.4M	$0.00	$0	1.4M
2026-06-01	WEIS JONATHAN H	CEO, Chairman of the Board	Inheritance	1.4M	$0.00	$0	1.4M
2026-06-01	Patricia R. Weis Marital Trust	10% owner	Inheritance	4.1M	$0.00	$0	0
2025-11-07	Gleeson Robert G.	Chief Operating Officer	Buy	500	$65.51	$33K	1K
2025-06-06	Weis Patricia G. Ross	TenPercentOwner	Sell	1.9M	$65.00	$124.9M	0
2025-06-06	Weis Patricia G. Ross	TenPercentOwner	Sell	232K	$65.00	$15.1M	2K
2025-06-06	Patricia R. Weis Marital Trust	TenPercentOwner	Sell	1.9M	$65.00	$124.9M	4.1M
2024-05-13	Gleeson Robert G.	SVP, Merchandising & Marketing	Buy	100	$66.56	$7K	500
2024-05-10	Lauth Edward John III	Director	Buy	2K	$64.98	$99K	2K
2023-12-14	Gleeson Robert G.	SVP, Merchandising & Marketing	Buy	300	$62.18	$19K	400
2023-05-31	Schertle Kurt A	Chief Operating Officer	Buy	2K	$59.65	$119K	5K
2021-12-09	Lockard Michael T	SVP, CFO and Treasurer	Buy	3K	$61.00	$183K	3K
2021-12-06	Lauth Edward John III	Director	Inheritance	2K	$0.00	$0	0
2021-11-09	Gleeson Robert G.	SVP, Merchandising & Marketing	Buy	100	$62.17	$6K	100
2021-10-29	Weis Jennifer	Member of a 10% owner group	Gift	119K	price not stated in the filing	not stated	1.1M
2021-10-29	Weis Jennifer	Other	Gift	119K	price not stated in the filing	not stated	119K

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.

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 WMK in its latest filing.

Filed	Form	Holder	Shares	Of class	Event
2026-03-27	13G/Ano. 6	The Vanguard Groupinvestment adviser	0	0.0%	2026-03-13

13F holders

Tracked managers holding WMK at their latest 13F. JSON

7 of the 30 tracked managers held WMK at their latest 13F, $76.6M in total at quarter-end prices. Two Sigma Investments is the largest at $21.7M (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	277K	$21.7M	0.02%	+48K
Millennium Management	2026-06-30	170K	$13.3M	0.00%	-23K
Citadel Advisors	2026-06-30	154K	$12.0M	0.00%	+46K
Renaissance Technologies	2026-06-30	148K	$11.6M	0.02%	-28K
D. E. Shaw & Co.	2026-06-30	136K	$10.7M	0.01%	+67K
AQR Capital Management	2026-06-30	67K	$5.2M	0.00%	+4K
Point72 Asset Management	2026-06-30	27K	$2.1M	0.00%	+7K

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

Weis Markets 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 Weis Markets (WMK), SEC CIK 105418, listed on NYSE. 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 2026-11-02.JSON and CSV
Fails to deliver: SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-09.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 2026-03-27.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
Earnings dates: SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-08-04.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 2026-06-01.JSON and CSV
Company record: EDGAR filing index for CIK 105418Ticker, 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.

Datasets

Frequently Asked Questions

How much of WMK is sold short?

2,728,174 shares were held short at the 2026-10-15 settlement, 18.4 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 WMK's daily short volume?

On 2026-11-02, 29,139 of the 43,381 WMK shares reported to FINRA were sold short, 67.2% of the day's reported volume. Short volume is a flow for one day, not a position.

Does WMK have fails to deliver?

The SEC's latest file shows 1 WMK shares failed to deliver at settlement 2026-10-09. Fails are reported per settlement date and published twice a month with a lag.

Are WMK insiders buying or selling?

No open-market insider trades were reported for WMK in the last 90 days. The most recent filings are listed below. Latest filing: WEIS JONATHAN H (CEO, Chairman of the Board) on 2026-06-01.

Who owns 5% or more of WMK?

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

Which tracked 13F managers own WMK?

7 of the 30 tracked 13F managers held WMK shares at their latest filing, $76.6M in all. The largest: Two Sigma Investments (277K shares, $21.7M), Izzy Englander's Millennium Management (170K shares, $13.3M), Ken Griffin's Citadel Advisors (154K shares, $12.0M), Renaissance Technologies (148K shares, $11.6M), D. E. Shaw & Co. (136K shares, $10.7M), Cliff Asness's AQR Capital Management (67K shares, $5.2M). 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.

Weis Markets (WMK)

Short interest

Daily short volume

Fails to deliver

Insider trades

Large holders (13D and 13G)

13F holders

Weis Markets in the regulatory record

Source and updates

How to read it

Other company pages

Datasets

Frequently Asked Questions