Eagle Nuclear Energy (NUCL)

Eagle Nuclear Energy on one page: short interest, daily short volume, fails to deliver, large holders, earnings dates and insider trades. Listed on Nasdaq.

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1.6M

Short interest

settlement 2026-09-30

5.3

Days to cover

-0.3 days vs prior

66.5%

Short share of volume

2026-10-23

2,007

Fails to deliver

settlement 2026-09-30

Wed 14 Apr

Next earnings

estimated date

Insider flow, 90 days

0 buys, 0 sells

As of 2026-10-23.

Short interest

FINRA, twice a month. The newest 15 settlements in the table, 15 in the chart. JSON

As of 30 September 2026, short interest in NUCL is 1,612,549 shares, down 355,225 shares over the last month. Over the last 15 readings it ranged from 49,463 shares (27 February 2026) to 1,967,774 shares (31 August 2026). At the reported average volume of 306K shares a day that is 5.3 days to cover.

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Settlement	Shares short	Change	Avg daily volume	Days to cover
2026-09-30	1,612,549	+12.8%	306,006	5.27
2026-09-15	1,430,101	-27.3%	258,301	5.54
2026-08-31	1,967,774	+5.1%	262,236	7.50
2026-08-14	1,871,584	+5.5%	366,563	5.11
2026-07-31	1,774,779	+42.7%	554,615	3.20
2026-07-15	1,243,746	-13.8%	320,474	3.88
2026-06-30	1,442,438	+105.0%	727,153	1.98
2026-06-15	703,553	-4.9%	260,957	2.70
2026-05-29	739,816	-7.9%	445,104	1.66
2026-05-15	803,206	-11.7%	354,402	2.27
2026-04-30	909,296	+2.9%	854,494	1.06
2026-04-15	883,533	+101.6%	336,919	2.62
2026-03-31	438,317	+54.4%	379,078	1.16
2026-03-13	283,921	+474.0%	256,443	1.11
2026-02-27	49,463	+100.0%	238,929	1.00

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 23 October 2026, the short share of NUCL volume is 66.5%, up 23.4 points over the last five sessions. Over the last 30 readings it ranged from 43.1% (16 October 2026) to 83.8% (7 October 2026). The latest reading is in line with the 30-session average of 66.3%, on 116K shares reported.

Date	Short volume	Total volume	Short share	Exempt
2026-10-23	77K	116K	66.5%	0
2026-10-22	39K	64K	60.1%	0
2026-10-21	30K	50K	60.4%	0
2026-10-20	46K	76K	60.0%	0
2026-10-19	32K	62K	50.8%	0
2026-10-16	30K	69K	43.1%	0
2026-10-15	61K	93K	65.4%	0
2026-10-14	56K	100K	56.1%	40
2026-10-13	40K	69K	57.6%	1,500
2026-10-12	33K	48K	69.3%	0
2026-10-09	86K	113K	76.3%	507
2026-10-08	88K	110K	79.6%	0
2026-10-07	37K	45K	83.8%	0
2026-10-06	67K	89K	75.2%	0
2026-10-05	42K	57K	74.1%	50
2026-10-02	59K	78K	75.3%	0
2026-10-01	58K	77K	75.3%	2,500
2026-09-30	44K	87K	50.9%	54
2026-09-29	38K	52K	73.4%	0
2026-09-28	48K	71K	67.9%	20
2026-09-25	43K	57K	75.8%	100
2026-09-24	36K	53K	67.4%	104
2026-09-23	28K	46K	61.2%	0
2026-09-22	46K	72K	64.2%	50
2026-09-21	118K	180K	65.6%	5,913
2026-09-18	150K	238K	62.9%	94
2026-09-17	70K	102K	68.7%	362
2026-09-16	44K	75K	58.0%	0
2026-09-15	87K	118K	73.2%	0
2026-09-14	80K	112K	71.2%	254

Fails to deliver

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

As of 30 September 2026, the fails-to-deliver balance in NUCL is 2,007 shares, down 23,860 shares over the last settlement date. Over the last 30 readings it ranged from 1,109 shares (28 August 2026) to 89,527 shares (21 September 2026). The latest reading sits at the bottom of that range.

Settlement	Shares failed	Price	Value
2026-09-30	2,007	$6.30	$13K
2026-09-29	25,867	$6.33	$164K
2026-09-28	8,361	$6.16	$52K
2026-09-24	2,994	$6.22	$19K
2026-09-23	29,007	$6.38	$185K
2026-09-22	15,142	$6.19	$94K
2026-09-21	89,527	$6.28	$562K
2026-09-18	2,567	$6.20	$16K
2026-09-17	9,776	$6.18	$60K
2026-09-16	7,472	$6.17	$46K
2026-09-14	6,213	$6.26	$39K
2026-09-10	4,100	$6.59	$27K
2026-09-09	52,845	$6.65	$351K
2026-09-08	63,457	$6.76	$429K
2026-09-04	12,201	$6.80	$83K
2026-09-03	21,743	$6.95	$151K
2026-09-02	4,212	$6.65	$28K
2026-08-31	8,825	$6.76	$60K
2026-08-28	1,109	$7.17	$8K
2026-08-27	4,198	$7.01	$29K
2026-08-26	5,186	$7.20	$37K
2026-08-25	11,801	$7.07	$83K
2026-08-24	10,100	$7.29	$74K
2026-08-21	51,487	$7.38	$380K
2026-08-20	65,746	$7.59	$499K
2026-08-19	14,089	$7.80	$110K
2026-08-18	3,248	$7.62	$25K
2026-08-17	6,326	$8.00	$51K
2026-08-13	6,297	$7.77	$49K
2026-08-12	52,361	$7.84	$411K

Insider trades

SEC Form 4, newest first. JSON

No open-market insider trades were reported for NUCL in the last 90 days. The most recent filings are listed below. Latest filing: Lipton Jeffrey Herschel (Director) on 2026-10-08.

Date	Insider	Title	Type	Shares	Price	Value	Owned after
2026-10-08	Lipton Jeffrey Herschel	Director	Grant	238K	$0.00	$0	275K
2026-10-08	Mukhija Manavdeep Singh	CEO and Chairman	Grant	183K	$0.00	$0	748K
2026-10-08	Toor Ajaypreet Singh	Chief Financial Officer	Grant	63K	$0.00	$0	105K
2026-10-08	Goldmeier Brian Yale	Director	Grant	28K	$0.00	$0	56K
2026-10-08	Kobler Michael Helmut	Director	Grant	28K	$0.00	$0	56K
2026-05-06	Kobler Michael Helmut	Director	Grant	28K	$0.00	$0	28K
2026-05-06	Lipton Jeffrey Herschel	Director	Grant	38K	$0.00	$0	38K
2026-05-06	Goldmeier Brian Yale	Director	Grant	28K	$0.00	$0	28K
2026-05-06	Toor Ajaypreet Singh	Chief Financial Officer	Grant	42K	$0.00	$0	42K
2026-05-06	KAPLAN ROBERT IRA	Director	Grant	28K	$0.00	$0	28K
2026-04-24	Spring Valley Acquisition Sponsor II, LLC	TenPercentOwner	Other transaction	696K	price not stated in the filing	not stated	1.7M
2026-04-15	Mukhija Manavdeep Singh	CEO and Chairman	Grant	250K	$0.00	$0	565K
2026-02-24	Mukhija Manavdeep Singh	Chief Executive Officer	Grant	315K	price not stated in the filing	not stated	315K

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

8 holders report 5% or more of NUCL in their latest filing, 1 on Schedule 13D (active intent). The largest reported stake is Blue Bird Capital Enterprises LLC at 20.9% of the class (6,175,031 shares), filed 2026-03-03 for an event on 2026-02-24.

Filed	Form	Holder	Shares	Of class	Event
2026-05-15	13G	Anand Parekhindividual	2.9M	9.9%	2026-03-31
2026-05-15	13G	Alyeska Fund GP, LLCother entity	2.9M	9.9%	2026-03-31
2026-05-15	13G	Alyeska Investment Group, L.P.investment adviser	2.9M	9.9%	2026-03-31
2026-04-28	13G	Supercycle Holdings LLCother entity	3.0M	9.8%	2026-02-24
2026-04-28	13G	Sorrells Christopher Dixonindividual	3.0M	9.8%	2026-02-24
2026-04-28	13G	Spring Valley Acquisition Sponsor II, LLCother entity	0	0.0%	2026-02-24
2026-04-08	13G	Naranjan Singh Parharindividual	2.0M	6.9%	2026-02-24
2026-04-08	13G	Balvinder Kaur Parharindividual	2.0M	6.9%	2026-02-24
2026-03-03	13D	Blue Bird Capital Enterprises LLCother entity	6.2M	20.9%	2026-02-24

What this page is

Eagle Nuclear Energy 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 Eagle Nuclear Energy (NUCL), SEC CIK 2089283, listed on Nasdaq. 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 2026-09-30.JSON and CSV
Daily short volume: FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-10-23.JSON and CSV
Fails to deliver: SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-09-30.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
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 2026-10-13.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 2026-10-08.JSON and CSV
Company record: EDGAR filing index for CIK 2089283Ticker, 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 NUCL is sold short?

1,612,549 shares were held short at the 2026-09-30 settlement, 5.3 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 NUCL's daily short volume?

On 2026-10-23, 77,360 of the 116,369 NUCL shares reported to FINRA were sold short, 66.5% of the day's reported volume. Short volume is a flow for one day, not a position.

Does NUCL have fails to deliver?

The SEC's latest file shows 2,007 NUCL shares failed to deliver at settlement 2026-09-30. Fails are reported per settlement date and published twice a month with a lag.

Are NUCL insiders buying or selling?

No open-market insider trades were reported for NUCL in the last 90 days. The most recent filings are listed below. Latest filing: Lipton Jeffrey Herschel (Director) on 2026-10-08.

Who owns 5% or more of NUCL?

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

Eagle Nuclear Energy (NUCL)

Short interest

Daily short volume

Fails to deliver

Insider trades

Large holders (13D and 13G)

Eagle Nuclear Energy in the regulatory record

Source and updates

How to read it

Other company pages

Datasets

Frequently Asked Questions