Seaport Entertainment Group (SEG)

Seaport Entertainment Group on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE, classified by the SEC as services-miscellaneous amusement & recreation.

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646K

Short interest

settlement 2026-10-15

6.4

Days to cover

-0.6 days vs prior

64.7%

Short share of volume

2026-11-02

1,623

Fails to deliver

settlement 2026-10-13

Mon 9 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 SEG is 645,961 shares, down 22,864 shares over the last month. Over the last 48 readings it ranged from 339,289 shares (14 March 2025) to 975,630 shares (13 February 2026). At the reported average volume of 101K shares a day that is 6.4 days to cover.

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Settlement	Shares short	Change	Avg daily volume	Days to cover
2026-10-15	645,961	+1.4%	101,425	6.37
2026-09-30	636,981	-4.8%	91,625	6.95
2026-09-15	668,825	-2.7%	45,471	14.71
2026-08-31	687,390	-4.6%	63,806	10.77
2026-08-14	720,750	-16.8%	103,826	6.94
2026-07-31	866,392	-1.4%	48,047	18.03
2026-07-15	878,610	+2.2%	51,729	16.98
2026-06-30	860,036	-2.5%	70,618	12.18
2026-06-15	881,737	+3.1%	49,522	17.80
2026-05-29	855,409	+6.5%	106,307	8.05
2026-05-15	802,893	+1.8%	57,921	13.86
2026-04-30	789,051	-2.4%	43,970	17.95
2026-04-15	808,296	+1.4%	45,265	17.86
2026-03-31	797,183	-6.7%	63,744	12.51
2026-03-13	854,685	-9.2%	85,744	9.97
2026-02-27	941,675	-3.5%	75,476	12.48
2026-02-13	975,630	+34.7%	165,111	5.91
2026-01-30	724,449	+10.4%	74,845	9.68
2026-01-15	655,982	-1.5%	70,032	9.37
2025-12-31	666,108	-3.3%	69,131	9.64
2025-12-15	689,059	-3.4%	71,155	9.68
2025-11-28	713,128	-3.8%	100,349	7.11
2025-11-14	741,339	+4.1%	89,103	8.32
2025-10-31	712,074	-4.7%	51,506	13.83
2025-10-15	746,856	+0.1%	69,068	10.81
2025-09-30	745,996	-8.5%	81,913	9.11
2025-09-15	815,562	+8.4%	88,216	9.25
2025-08-29	752,566	+6.8%	107,086	7.03
2025-08-15	704,913	+17.5%	152,745	4.61
2025-07-31	600,085	+0.8%	87,882	6.83
2025-07-15	595,191	+17.3%	98,087	6.07
2025-06-30	507,260	+6.7%	209,289	2.42
2025-06-13	475,465	+0.3%	62,922	7.56
2025-05-30	474,029	+0.3%	94,845	5.00
2025-05-15	472,590	+11.9%	66,737	7.08
2025-04-30	422,277	-1.2%	77,663	5.44
2025-04-15	427,244	+23.8%	111,620	3.83
2025-03-31	345,017	+1.7%	148,486	2.32
2025-03-14	339,289	-1.2%	115,154	2.95
2025-02-28	343,440	-25.2%	134,117	2.56
2025-02-14	459,258	+6.6%	63,789	7.20
2025-01-31	430,770	-1.0%	84,127	5.12
2025-01-15	435,230	+2.3%	83,525	5.21
2024-12-31	425,305	+1.3%	72,275	5.88
2024-12-13	419,802	+3.2%	73,759	5.69
2024-11-29	406,851	+2.5%	70,906	5.74
2024-11-15	396,835	-13.7%	95,575	4.15
2024-10-31	460,040	-49.4%	105,296	4.37

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 2 November 2026, the short share of SEG volume is 64.7%, up 16.1 points over the last five sessions. Over the last 30 readings it ranged from 17.9% (30 September 2026) to 71.0% (30 October 2026). The latest reading is 19.9 points above the 30-session average of 44.8%, on 24K shares reported.

Date	Short volume	Total volume	Short share	Exempt
2026-11-02	15K	24K	64.7%	0
2026-10-30	7K	10K	71.0%	0
2026-10-29	8K	14K	57.3%	0
2026-10-28	8K	12K	67.1%	0
2026-10-27	7K	15K	47.4%	0
2026-10-26	6K	13K	48.6%	0
2026-10-23	15K	28K	51.7%	0
2026-10-22	6K	15K	41.8%	2
2026-10-21	11K	19K	56.4%	0
2026-10-20	7K	16K	40.3%	0
2026-10-19	12K	24K	52.3%	0
2026-10-16	5K	14K	38.5%	0
2026-10-15	18K	34K	51.1%	0
2026-10-14	49K	88K	55.5%	5
2026-10-13	11K	20K	56.0%	100
2026-10-12	16K	31K	52.0%	0
2026-10-09	8K	17K	44.7%	0
2026-10-08	12K	26K	45.0%	5
2026-10-07	6K	22K	28.1%	0
2026-10-06	10K	29K	34.5%	0
2026-10-05	39K	72K	53.7%	0
2026-10-02	18K	36K	50.0%	0
2026-10-01	17K	48K	34.6%	0
2026-09-30	7K	39K	17.9%	0
2026-09-29	11K	46K	24.7%	0
2026-09-28	9K	26K	33.2%	481
2026-09-25	9K	31K	28.6%	0
2026-09-24	13K	33K	39.3%	0
2026-09-23	10K	32K	32.1%	0
2026-09-22	5K	19K	26.0%	208

Fails to deliver

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

As of 13 October 2026, the fails-to-deliver balance in SEG is 1,623 shares, down 1,335 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (21 May 2026) to 3,730 shares (2 July 2026).

Settlement	Shares failed	Price	Value
2026-10-13	1,623	$22.25	$36K
2026-09-21	2,958	$24.14	$71K
2026-09-17	619	$24.59	$15K
2026-09-03	481	$26.33	$13K
2026-09-01	1,333	$26.29	$35K
2026-08-20	5	$26.92	$135
2026-08-17	113	$27.71	$3K
2026-08-14	6	$28.60	$172
2026-08-10	77	$28.25	$2K
2026-08-06	253	$26.88	$7K
2026-07-23	2,542	$25.90	$66K
2026-07-22	16	$26.29	$421
2026-07-20	991	$26.48	$26K
2026-07-16	2,569	$26.48	$68K
2026-07-15	694	$26.12	$18K
2026-07-14	286	$25.62	$7K
2026-07-09	2,397	$26.02	$62K
2026-07-07	124	$26.76	$3K
2026-07-02	3,730	$26.61	$99K
2026-06-29	13	$27.07	$352
2026-06-25	1,154	$27.02	$31K
2026-06-23	265	$25.49	$7K
2026-06-17	156	$24.95	$4K
2026-06-15	802	$24.67	$20K
2026-06-09	3	$23.78	$71
2026-06-02	201	$24.55	$5K
2026-05-29	287	$24.50	$7K
2026-05-27	761	$23.71	$18K
2026-05-21	1	$23.94	$24
2026-05-14	353	$23.28	$8K

Insider trades

SEC Form 4, newest first. JSON

No open-market insider trades were reported for SEG in the last 90 days. The most recent filings are listed below. Latest filing: PARTRIDGE MATTHEW MORRIS (Chief Executive Officer) on 2026-09-18.

Date	Insider	Title	Type	Shares	Price	Value	Owned after
2026-09-18	PARTRIDGE MATTHEW MORRIS	Chief Executive Officer	Tax withholding	2K	$24.14	$44K	109K
2026-09-15	Hirsh David Z.	Director	Grant	987	$0.00	$0	9K
2026-09-15	Digilio Monica S	Director	Grant	987	$0.00	$0	9K
2026-09-15	Crawford Michael Anthony	Director	Grant	987	$0.00	$0	9K
2026-07-31	Sachs Rebecca E.	Chief Administrative Officer	Tax withholding	1K	$26.23	$26K	22K
2026-07-31	PARTRIDGE MATTHEW MORRIS	Chief Executive Officer	Tax withholding	5K	$26.23	$119K	111K
2026-07-31	Elaiwat Lenah	Chief Financial Officer	Tax withholding	741	$26.23	$19K	31K
2026-06-15	Crawford Michael Anthony	Director	Grant	1K	$0.00	$0	8K
2026-06-15	Digilio Monica S	Director	Grant	1K	$0.00	$0	8K
2026-06-15	Hirsh David Z.	Director	Grant	1K	$0.00	$0	8K
2026-04-21	Pershing Square Capital Management, L.P.	Director, 10% owner	Other transaction	91K	$22.25	$2.0M	91K
2026-04-21	Pershing Square Capital Management, L.P.	Director, 10% owner	Other transaction	91K	$22.25	$2.0M	4.9M
2026-04-01	PARTRIDGE MATTHEW MORRIS	Chief Executive Officer	Tax withholding	5K	$21.46	$106K	116K
2026-03-16	Hirsh David Z.	Director	Grant	1K	$0.00	$0	7K
2026-03-16	Digilio Monica S	Director	Grant	1K	$0.00	$0	7K
2026-03-16	Crawford Michael Anthony	Director	Grant	1K	$0.00	$0	7K
2026-03-06	Sachs Rebecca E.	Chief People Officer	Tax withholding	684	$21.64	$15K	23K
2026-03-06	PARTRIDGE MATTHEW MORRIS	Chief Executive Officer	Tax withholding	3K	$21.64	$59K	121K
2026-03-06	Fato Luciana	General Counsel	Tax withholding	728	$21.64	$16K	19K
2026-02-27	Sachs Rebecca E.	Chief People Officer	Tax withholding	987	$23.36	$23K	24K
2026-02-27	Elaiwat Lenah	Chief Financial Officer	Tax withholding	914	$23.36	$21K	31K
2026-02-26	Sachs Rebecca E.	Chief People Officer	Grant	8K	$0.00	$0	25K
2026-02-26	PARTRIDGE MATTHEW MORRIS	Chief Executive Officer	Grant	28K	$0.00	$0	123K
2026-02-26	Fato Luciana	General Counsel	Grant	8K	$0.00	$0	20K
2026-02-26	Elaiwat Lenah	Chief Financial Officer	Grant	10K	$0.00	$0	32K
2025-12-15	Hirsh David Z.	Director	Grant	1K	$0.00	$0	6K
2025-12-15	Digilio Monica S	Director	Grant	1K	$0.00	$0	6K
2025-12-15	Crawford Michael Anthony	Director	Grant	1K	$0.00	$0	6K
2025-12-02	Elaiwat Lenah	Chief Financial Officer	Grant	9K	$0.00	$0	23K
2025-09-18	PARTRIDGE MATTHEW MORRIS	Chief Executive Officer	Grant	14K	$0.00	$0	96K
2025-09-16	Hirsh David Z.	Director	Grant	998	$0.00	$0	5K
2025-09-16	Digilio Monica S	Director	Grant	998	$0.00	$0	5K
2025-09-16	Crawford Michael Anthony	Director	Grant	998	$0.00	$0	5K
2025-08-01	PARTRIDGE MATTHEW MORRIS	Chief Financial Officer	Tax withholding	5K	$22.48	$122K	82K
2025-08-01	Fato Luciana	General Counsel	Tax withholding	1K	$22.48	$24K	12K
2025-08-01	Elaiwat Lenah	Chief Accounting Officer	Tax withholding	1K	$22.48	$26K	13K
2025-06-16	Hirsh David Z.	Director	Grant	1K	$0.00	$0	4K
2025-06-16	Digilio Monica S	Director	Grant	1K	$0.00	$0	4K
2025-06-16	Crawford Michael Anthony	Director	Grant	1K	$0.00	$0	4K
2025-04-01	PARTRIDGE MATTHEW MORRIS	Chief Financial Officer	Tax withholding	4K	$20.88	$93K	88K
2025-03-17	Crawford Michael Anthony	Director	Grant	1K	$0.00	$0	3K
2025-03-17	Digilio Monica S	Director	Grant	1K	$0.00	$0	3K
2025-03-17	Hirsh David Z.	Director	Grant	1K	$0.00	$0	3K
2025-03-07	Fato Luciana	General Counsel	Grant	5K	$0.00	$0	13K
2025-03-07	PARTRIDGE MATTHEW MORRIS	Chief Financial Officer	Grant	20K	$0.00	$0	92K
2025-02-27	Elaiwat Lenah	Chief Accounting Officer	Grant	7K	$0.00	$0	14K
2024-12-29	Nikodemus Anton D.	Chief Executive Officer	Tax withholding	9K	$27.52	$246K	192K
2024-12-19	Hirsh David Z.	Director	Grant	890	$0.00	$0	1K
2024-12-19	Crawford Michael Anthony	Director	Grant	890	$0.00	$0	1K
2024-12-19	Digilio Monica S	Director	Grant	890	$0.00	$0	1K
2024-10-18	Digilio Monica S	Director	Grant	520	$0.00	$0	520
2024-10-18	Hirsh David Z.	Director	Grant	520	$0.00	$0	520
2024-10-18	Crawford Michael Anthony	Director	Grant	520	$0.00	$0	520
2024-10-18	Massaro Anthony F	Director	Other transaction	19	$25.00	$475	33
2024-10-18	PS Holdco GP Managing Member LLC	Director,TenPercentOwner	Other transaction	2.9M	$25.00	$73.2M	5.0M
2024-09-12	Nikodemus Anton D.	Chief Executive Officer	Grant	74K	$0.00	$0	201K
2024-09-12	PARTRIDGE MATTHEW MORRIS	Chief Financial Officer	Grant	37K	$0.00	$0	71K
2024-08-07	Nikodemus Anton D.	Chief Executive Officer	Grant	126K	$0.00	$0	126K
2024-08-07	PARTRIDGE MATTHEW MORRIS	Chief Financial Officer	Grant	34K	$0.00	$0	34K
2024-08-07	Fato Luciana	General Counsel	Grant	8K	$0.00	$0	8K
2024-08-07	Elaiwat Lenah	Chief Accounting Officer	Grant	7K	$0.00	$0	7K
2024-07-31	Howard Hughes Holdings Inc.	TenPercentOwner	Other transaction	5.5M	$0.00	$0	0
2024-07-31	Howard Hughes Holdings Inc.	TenPercentOwner	Other transaction	5.5M	$0.00	$0	5.5M

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

1 Form 144 notice on file for SEG worth $282K at the prices reported; 1 in the last 90 days worth $282K. Latest: Fato Luciana filed on 2026-10-06 to sell 12,534 shares ($282K) from 2026-10-06.

Filed	Seller	Shares	Market value	Of outstanding	Sale from	Broker
2026-10-06	Fato LucianaFormer Officer	13K	$282K	0.098%	2026-10-06	Fidelity Brokerage Services LLC

Large holders (13D and 13G)

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

3 holders report 5% or more of SEG in their latest filing, all on Schedule 13G (passive). The largest reported stake is KAHN BROTHERS GROUP INC at 7.0% of the class (893,227 shares), filed 2026-05-08 for an event on 2026-05-08.

Filed	Form	Holder	Shares	Of class	Event
2026-05-15	13G	Gate City Capital Management, LLCinvestment adviser	689K	5.4%	2026-03-31
2026-05-15	13G	Michael Melbyindividual	689K	5.4%	2026-03-31
2026-05-08	13G	KAHN BROTHERS GROUP INCinvestment adviser	893K	7.0%	2026-05-08

13F holders

Tracked managers holding SEG at their latest 13F. JSON

3 of the 30 tracked managers held SEG at their latest 13F, $135.7M in total at quarter-end prices. Pershing Square Capital is the largest at $133.6M (0.7% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 1 cut.

Fund	Quarter	Shares	Value	Of portfolio	Change in shares
Pershing Square Capital	2026-06-30	5.0M	$133.6M	0.69%	0
AQR Capital Management	2026-06-30	51K	$1.4M	0.00%	+28K
Renaissance Technologies	2026-06-30	28K	$745K	0.00%	-54K

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

Seaport Entertainment Group 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 Seaport Entertainment Group (SEG), SEC CIK 2009684, listed on NYSE, classified by the SEC as services-miscellaneous amusement & recreation. 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 2026-10-13.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 2026-10-06.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 2026-05-15.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 2026-08-05.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 2026-09-18.JSON and CSV
Company record: EDGAR filing index for CIK 2009684Ticker, 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 services-miscellaneous amusement & recreation

Other company pages

Datasets

Frequently Asked Questions

How much of SEG is sold short?

645,961 shares were held short at the 2026-10-15 settlement, 6.4 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 SEG's daily short volume?

On 2026-11-02, 15,409 of the 23,813 SEG shares reported to FINRA were sold short, 64.7% of the day's reported volume. Short volume is a flow for one day, not a position.

Does SEG have fails to deliver?

The SEC's latest file shows 1,623 SEG shares failed to deliver at settlement 2026-10-13. Fails are reported per settlement date and published twice a month with a lag.

Are SEG insiders buying or selling?

No open-market insider trades were reported for SEG in the last 90 days. The most recent filings are listed below. Latest filing: PARTRIDGE MATTHEW MORRIS (Chief Executive Officer) on 2026-09-18.

Have SEG insiders filed to sell?

1 Form 144 notice on file for SEG worth $282K at the prices reported; 1 in the last 90 days worth $282K. Latest: Fato Luciana filed on 2026-10-06 to sell 12,534 shares ($282K) from 2026-10-06.

Who owns 5% or more of SEG?

Which tracked 13F managers own SEG?

3 of the 30 tracked 13F managers held SEG shares at their latest filing, $135.7M in all. The largest: Bill Ackman's Pershing Square Capital (5.0M shares, $133.6M), Cliff Asness's AQR Capital Management (51K shares, $1.4M), Renaissance Technologies (28K shares, $745K).

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