AstraZeneca (AZN)

AstraZeneca on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders and insider trades. Listed on NYSE.

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3.3M

Short interest

settlement 2026-10-15

1.1

Days to cover

+0.1 days vs prior

49.5%

Short share of volume

2026-11-02

10,192

Fails to deliver

settlement 2026-10-14

$3K

Insider flow, 90 days

1 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 AZN is 3,284,132 shares, up 1,196,378 shares over the last month. Over the last 48 readings it ranged from 1,326,546 shares (15 June 2026) to 16,973,347 shares (28 February 2025). At the reported average volume of 3.0M 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	3,284,132	+25.4%	2,954,187	1.11
2026-09-30	2,618,811	+25.4%	2,810,335	1.00
2026-09-15	2,087,754	-27.9%	3,161,671	1.00
2026-08-31	2,895,178	+53.0%	3,255,831	1.00
2026-08-14	1,892,646	+3.0%	5,542,310	1.00
2026-07-31	1,838,477	-27.4%	2,534,340	1.00
2026-07-15	2,533,640	+65.6%	3,192,074	1.00
2026-06-30	1,530,055	+15.3%	2,010,756	1.00
2026-06-15	1,326,546	-22.8%	2,118,908	1.00
2026-05-29	1,719,165	-20.5%	1,783,538	1.00
2026-05-15	2,162,492	+18.1%	1,807,324	1.20
2026-04-30	1,830,898	+5.2%	2,201,598	1.00
2026-04-15	1,740,147	+8.0%	1,894,142	1.00
2026-03-31	1,611,139	-18.4%	1,881,148	1.00
2026-03-13	1,975,010	-17.0%	2,001,959	1.00
2026-02-27	2,380,486	-4.3%	1,970,073	1.21
2026-02-13	2,487,804	+1536.8%	3,074,624	1.00
2026-01-30	3,881,346	-68.4%	11,685,989	1.00
2026-01-15	12,267,466	+12.1%	6,842,193	1.79
2025-12-31	10,940,007	+31.5%	3,845,817	2.84
2025-12-15	8,318,927	-9.5%	6,019,989	1.38
2025-11-28	9,192,060	-7.8%	5,364,064	1.71
2025-11-14	9,968,173	+4.4%	4,850,460	2.06
2025-10-31	9,546,642	+36.5%	3,967,403	2.41
2025-10-15	6,996,334	+28.2%	7,269,344	1.00
2025-09-30	5,456,778	-29.5%	4,878,425	1.12
2025-09-15	7,739,687	-0.3%	3,139,768	2.47
2025-08-29	7,765,176	+25.4%	3,550,008	2.19
2025-08-15	6,189,751	+16.2%	4,419,391	1.40
2025-07-31	5,326,651	-14.8%	6,154,933	1.00
2025-07-15	6,249,842	-8.3%	4,246,469	1.47
2025-06-30	6,811,704	-8.5%	3,865,742	1.76
2025-06-13	7,445,913	+7.6%	3,730,144	2.00
2025-05-30	6,919,520	-5.8%	4,443,133	1.56
2025-05-15	7,342,168	+52.4%	5,397,712	1.36
2025-04-30	4,818,500	-23.9%	5,080,580	1.00
2025-04-15	6,332,967	-40.3%	8,588,656	1.00
2025-03-31	10,601,597	-30.5%	4,319,719	2.45
2025-03-14	15,244,715	-10.2%	6,109,719	2.50
2025-02-28	16,973,347	+9.8%	6,708,797	2.53
2025-02-14	15,458,868	-8.8%	6,258,310	2.47
2025-01-31	16,943,349	+12.2%	4,657,600	3.64
2025-01-15	15,095,217	+19.0%	4,937,817	3.06
2024-12-31	12,685,120	+26.1%	5,027,705	2.52
2024-12-13	10,063,471	+36.0%	5,405,888	1.86
2024-11-29	7,397,014	-8.3%	6,234,959	1.19
2024-11-15	8,065,227	+74.0%	9,908,738	1.00
2024-10-31	4,634,065	+15.1%	3,688,800	1.26

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 2 November 2026, the short share of AZN volume is 49.5%, down 15.8 points over the last five sessions. Over the last 30 readings it ranged from 23.1% (12 October 2026) to 65.3% (26 October 2026). The latest reading is 2.2 points above the 30-session average of 47.3%, on 958K shares reported.

Date	Short volume	Total volume	Short share	Exempt
2026-11-02	474K	958K	49.5%	1,559
2026-10-30	1.1M	1.9M	55.6%	3,389
2026-10-29	436K	764K	57.1%	870
2026-10-28	266K	607K	43.8%	30
2026-10-27	558K	884K	63.1%	0
2026-10-26	584K	895K	65.3%	438
2026-10-23	584K	977K	59.8%	102
2026-10-22	458K	824K	55.6%	20
2026-10-21	278K	547K	50.8%	568
2026-10-20	677K	1.1M	63.5%	3,206
2026-10-19	304K	742K	41.0%	798
2026-10-16	523K	1.3M	40.5%	300
2026-10-15	848K	1.7M	49.0%	10,236
2026-10-14	346K	1.1M	32.9%	3,198
2026-10-13	397K	838K	47.3%	4,733
2026-10-12	226K	977K	23.1%	93
2026-10-09	302K	755K	40.0%	112
2026-10-08	359K	828K	43.4%	168
2026-10-07	364K	786K	46.3%	0
2026-10-06	392K	789K	49.7%	0
2026-10-05	268K	767K	34.9%	1,406
2026-10-02	373K	962K	38.8%	2,073
2026-10-01	475K	1.0M	45.9%	697
2026-09-30	371K	698K	53.2%	501
2026-09-29	437K	986K	44.3%	2,217
2026-09-28	266K	679K	39.2%	0
2026-09-25	383K	733K	52.3%	816
2026-09-24	846K	1.4M	59.4%	1,432
2026-09-23	303K	732K	41.4%	497
2026-09-22	274K	867K	31.6%	276

Fails to deliver

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

As of 14 October 2026, the fails-to-deliver balance in AZN is 10,192 shares, up 8,446 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (22 July 2026) to 185,230 shares (31 August 2026). The latest reading sits at the bottom of that range.

Settlement	Shares failed	Price	Value
2026-10-14	10,192	$155.82	$1.6M
2026-10-13	1,746	$158.33	$276K
2026-10-09	300	$158.78	$48K
2026-10-08	27	$160.12	$4K
2026-10-07	73,264	$158.61	$11.6M
2026-09-30	302	$164.21	$50K
2026-09-24	3	$163.33	$490
2026-09-23	205	$168.37	$35K
2026-09-21	201	$166.08	$33K
2026-09-17	14,903	$162.89	$2.4M
2026-09-14	3,929	$160.17	$629K
2026-09-09	5,890	$160.04	$943K
2026-09-04	64,883	$164.77	$10.7M
2026-09-02	35	$162.47	$6K
2026-08-31	185,230	$162.70	$30.1M
2026-08-28	8	$164.52	$1K
2026-08-27	36	$166.27	$6K
2026-08-25	53	$166.71	$9K
2026-08-17	1,138	$156.45	$178K
2026-08-13	523	$158.50	$83K
2026-08-11	9	$161.91	$1K
2026-08-06	45	$161.50	$7K
2026-08-04	14	$157.97	$2K
2026-07-23	18	$169.73	$3K
2026-07-22	1	$169.34	$169
2026-07-20	200	$168.90	$34K
2026-07-17	267	$169.29	$45K
2026-07-15	29	$164.50	$5K
2026-07-13	18,735	$171.61	$3.2M
2026-07-10	1,874	$178.49	$334K

Insider trades

SEC Form 4, newest first. JSON

Insiders at AZN reported 1 open-market buy worth $3K in the last 90 days and no open-market sells. Latest filing: Sharma Mani (See remarks) on 2026-10-06.

Date	Insider	Title	Type	Shares	Price	Value	Owned after
2026-10-06	Sharma Mani	See remarks	Grant	2	$159.80	$320	19K
2026-09-08	Sharma Mani	See Remarks	Grant	1	$162.60	$163	19K
2026-08-08	Sharma Mani	See Remarks	Buy	20	$160.57	$3K	19K
2026-08-06	Sharma Mani	SVP, Group Controller	Grant	2	$163.34	$327	19K
2026-07-06	Sharma Mani	See Remarks	Grant	2	$190.43	$381	19K
2026-06-08	Sharma Mani	See Remarks	Grant	1	$179.75	$180	19K
2026-05-20	Sharma Mani	See Remarks	Sell	12K	$185.78	$2.2M	19K
2026-05-06	Sharma Mani	See Remarks	Grant	1	$186.28	$186	31K
2026-04-07	Sharma Mani	See Remarks	Grant	1	$196.03	$196	31K

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 AZN worth $1.3M at the prices reported; 0 in the last 90 days worth $0. Latest: ARADHANA SARIN filed on 2025-11-12 to sell 15,000 shares ($1.3M) from 2025-11-12.

Filed	Seller	Shares	Market value	Of outstanding	Sale from	Broker
2025-11-12	ARADHANA SARINOfficer	15K	$1.3M	0.000%	2025-11-12	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

1 holder reports 5% or more of AZN in its latest filing, on Schedule 13G (passive). The holder is Vanguard Capital Management at 5.0% of the class (77,965,099 shares), filed 2026-04-28 for an event on 2026-03-31.

Filed	Form	Holder	Shares	Of class	Event
2026-04-28	13G	Vanguard Capital Managementinvestment adviser	78.0M	5.0%	2026-03-31

13F holders

Tracked managers holding AZN at their latest 13F. JSON

7 of the 30 tracked managers held AZN at their latest 13F, $2.89B in total at quarter-end prices. Fisher Asset Management is the largest at $2.11B (0.6% of its portfolio) as of 2026-06-30. Over the prior quarter 4 added shares and 3 cut.

Fund	Quarter	Shares	Value	Of portfolio	Change in shares
Fisher Asset Management	2026-06-30	11.1M	$2.11B	0.63%	+301K
D. E. Shaw & Co.	2026-06-30	1.1M	$207.6M	0.10%	+1.1M
Citadel Advisors	2026-06-30	970K	$183.9M	0.02%	-900K
Point72 Asset Management	2026-06-30	712K	$134.9M	0.15%	-522K
Millennium Management	2026-06-30	582K	$110.3M	0.04%	-721K
AQR Capital Management	2026-06-30	401K	$75.0M	0.03%	+31K
Two Sigma Investments	2026-06-30	329K	$62.4M	0.05%	+126K

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

AstraZeneca 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 AstraZeneca (AZN), SEC CIK 901832, 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 2026-10-14.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 2025-11-12.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 2026-04-28.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 2026-10-06.JSON and CSV
Company record: EDGAR filing index for CIK 901832Ticker, 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 AZN is sold short?

3,284,132 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 AZN's daily short volume?

On 2026-11-02, 474,016 of the 958,151 AZN shares reported to FINRA were sold short, 49.5% of the day's reported volume. Short volume is a flow for one day, not a position.

Does AZN have fails to deliver?

The SEC's latest file shows 10,192 AZN shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.

Are AZN insiders buying or selling?

Insiders at AZN reported 1 open-market buy worth $3K in the last 90 days and no open-market sells. Latest filing: Sharma Mani (See remarks) on 2026-10-06.

Have AZN insiders filed to sell?

1 Form 144 notice on file for AZN worth $1.3M at the prices reported; 0 in the last 90 days worth $0. Latest: ARADHANA SARIN filed on 2025-11-12 to sell 15,000 shares ($1.3M) from 2025-11-12.

Who owns 5% or more of AZN?

Which tracked 13F managers own AZN?

7 of the 30 tracked 13F managers held AZN shares at their latest filing, $2.89B in all. The largest: Ken Fisher's Fisher Asset Management (11.1M shares, $2.11B), D. E. Shaw & Co. (1.1M shares, $207.6M), Ken Griffin's Citadel Advisors (970K shares, $183.9M), Steve Cohen's Point72 Asset Management (712K shares, $134.9M), Izzy Englander's Millennium Management (582K shares, $110.3M), Cliff Asness's AQR Capital Management (401K shares, $75.0M). 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.

AstraZeneca (AZN)

Short interest

Daily short volume

Fails to deliver

Insider trades

Planned sales (Form 144)

Large holders (13D and 13G)

13F holders

AstraZeneca in the regulatory record

Source and updates

How to read it

Other company pages

Datasets

Frequently Asked Questions