Silence Therapeutics (SLN)

Silence Therapeutics on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders and earnings dates. Listed on Nasdaq.

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2.9M

Short interest

settlement 2026-10-15

2.3

Days to cover

-0.8 days vs prior

27.1%

Short share of volume

2026-11-02

477

Fails to deliver

settlement 2026-09-17

Thu 5 Nov

Next earnings

estimated date

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 SLN is 2,927,366 shares, up 749,311 shares over the last month. Over the last 48 readings it ranged from 353,316 shares (31 October 2024) to 2,927,366 shares (15 October 2026). The latest reading sits at the top of that range. At the reported average volume of 1.3M 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	2,927,366	+15.3%	1,270,099	2.30
2026-09-30	2,538,328	+16.5%	827,101	3.07
2026-09-15	2,178,055	-10.6%	861,199	2.53
2026-08-31	2,435,831	+0.1%	695,204	3.50
2026-08-14	2,432,830	+32.4%	2,891,078	1.00
2026-07-31	1,837,238	+16.8%	560,270	3.28
2026-07-15	1,572,687	-9.3%	499,806	3.15
2026-06-30	1,733,018	-16.1%	772,826	2.24
2026-06-15	2,066,488	+0.5%	241,168	8.57
2026-05-29	2,057,236	+3.6%	225,140	9.14
2026-05-15	1,985,927	-7.9%	181,913	10.92
2026-04-30	2,156,496	+3.9%	395,560	5.45
2026-04-15	2,075,273	+13.3%	446,721	4.65
2026-03-31	1,832,291	+5.9%	389,578	4.70
2026-03-13	1,730,158	+11.4%	322,252	5.37
2026-02-27	1,553,269	+0.2%	123,574	12.57
2026-02-13	1,550,765	+12.6%	203,508	7.62
2026-01-30	1,376,890	+3.7%	270,993	5.08
2026-01-15	1,327,897	+5.4%	353,831	3.75
2025-12-31	1,259,539	+12.6%	296,479	4.25
2025-12-15	1,118,938	+6.8%	360,873	3.10
2025-11-28	1,047,426	+13.6%	254,304	4.12
2025-11-14	922,085	+65.5%	189,206	4.87
2025-10-31	557,169	-11.3%	191,102	2.92
2025-10-15	627,952	-15.5%	142,066	4.42
2025-09-30	743,480	-8.1%	63,703	11.67
2025-09-15	808,615	+6.1%	62,453	12.95
2025-08-29	761,926	-1.1%	40,189	18.96
2025-08-15	770,450	-5.4%	79,301	9.72
2025-07-31	814,378	-11.8%	70,543	11.54
2025-07-15	923,020	-7.5%	103,844	8.89
2025-06-30	998,340	+5.6%	112,952	8.84
2025-06-13	945,490	-10.3%	127,003	7.44
2025-05-30	1,054,292	-15.8%	161,646	6.52
2025-05-15	1,252,285	-14.8%	212,279	5.90
2025-04-30	1,469,215	-9.5%	251,228	5.85
2025-04-15	1,623,621	+10.7%	325,358	4.99
2025-03-31	1,466,339	+4.1%	227,138	6.46
2025-03-14	1,408,991	+0.5%	165,658	8.51
2025-02-28	1,402,448	-1.9%	205,530	6.82
2025-02-14	1,429,780	+9.8%	411,072	3.48
2025-01-31	1,302,476	+15.3%	401,867	3.24
2025-01-15	1,129,211	+14.6%	213,135	5.30
2024-12-31	985,028	+5.6%	524,727	1.88
2024-12-13	932,805	+32.8%	655,647	1.42
2024-11-29	702,326	+84.1%	1,390,830	1.00
2024-11-15	381,473	+8.0%	231,616	1.65
2024-10-31	353,316	+5.6%	135,594	2.61

Daily short volume

FINRA Reg SHO, the last 30 sessions. JSON

As of 2 November 2026, the short share of SLN volume is 27.1%, up 19.9 points over the last five sessions. Over the last 30 readings it ranged from 7.1% (26 October 2026) to 59.3% (2 October 2026). The latest reading is 2.3 points below the 30-session average of 29.3%, on 451K shares reported.

Date	Short volume	Total volume	Short share	Exempt
2026-11-02	122K	451K	27.1%	0
2026-10-30	54K	282K	19.2%	0
2026-10-29	99K	967K	10.3%	0
2026-10-28	209K	1.9M	10.8%	0
2026-10-27	217K	852K	25.4%	0
2026-10-26	244K	3.4M	7.1%	0
2026-10-23	716K	1.4M	52.0%	703
2026-10-22	166K	1.6M	10.2%	4,800
2026-10-21	272K	1.5M	17.9%	608
2026-10-20	1.6M	7.2M	22.0%	0
2026-10-19	6.1M	28.6M	21.5%	43,109
2026-10-16	125K	417K	30.0%	0
2026-10-15	107K	422K	25.2%	0
2026-10-14	206K	566K	36.4%	0
2026-10-13	170K	765K	22.2%	0
2026-10-12	86K	246K	34.8%	0
2026-10-09	139K	332K	41.8%	0
2026-10-08	140K	517K	27.0%	0
2026-10-07	197K	603K	32.7%	0
2026-10-06	210K	643K	32.6%	20,994
2026-10-05	189K	422K	44.8%	0
2026-10-02	151K	255K	59.3%	0
2026-10-01	163K	623K	26.2%	0
2026-09-30	99K	494K	20.1%	0
2026-09-29	99K	357K	27.8%	0
2026-09-28	65K	252K	25.6%	0
2026-09-25	118K	514K	22.9%	0
2026-09-24	168K	290K	57.7%	5,978
2026-09-23	164K	306K	53.6%	305
2026-09-22	58K	161K	35.6%	106

Fails to deliver

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

As of 17 September 2026, the fails-to-deliver balance in SLN is 477 shares, down 6,071 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (30 July 2026) to 20,509 shares (2 September 2026). The latest reading sits at the bottom of that range.

Settlement	Shares failed	Price	Value
2026-09-17	477	$12.50	$6K
2026-09-04	6,548	$14.79	$97K
2026-09-03	9,335	$14.79	$138K
2026-09-02	20,509	$14.74	$302K
2026-09-01	1,398	$13.53	$19K
2026-08-31	6,644	$13.42	$89K
2026-08-28	251	$13.45	$3K
2026-08-27	1,386	$13.53	$19K
2026-08-26	1,472	$13.67	$20K
2026-08-25	1,423	$13.29	$19K
2026-08-20	184	$13.61	$3K
2026-08-11	3,815	$15.43	$59K
2026-08-07	376	$11.72	$4K
2026-07-30	1	$11.55	$12
2026-07-29	2,303	$11.55	$27K
2026-07-17	1,222	$10.92	$13K
2026-07-13	353	$9.09	$3K
2026-07-08	6,142	$10.15	$62K
2026-06-30	745	$10.79	$8K
2026-06-26	2,472	$10.00	$25K
2026-06-16	610	$7.00	$4K
2026-06-09	321	$6.23	$2K
2026-06-08	877	$6.17	$5K
2026-06-04	1,579	$6.41	$10K
2026-06-02	144	$6.53	$940
2026-05-27	535	$6.64	$4K
2026-05-21	1,096	$6.24	$7K
2026-05-19	2,602	$6.23	$16K
2026-05-18	433	$6.10	$3K
2026-05-13	15	$6.79	$102

Large holders (13D and 13G)

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

11 holders report 5% or more of SLN in their latest filing, 2 on Schedule 13D (active intent). The largest reported stake is Ora Capital Limited at 13.5% of the class (19,155,522 shares), filed 2026-07-08 for an event on 2026-07-06.

Filed	Form	Holder	Shares	Of class	Event
2026-10-13	13G/Ano. 1	Reade E. Griffithindividual	9.9M	5.3%	2026-10-05
2026-10-13	13G/Ano. 1	Tetragon Financial Management LPinvestment adviser, partnership	9.9M	5.3%	2026-10-05
2026-10-13	13G/Ano. 1	Tetragon Financial Group Limitedother entity	9.9M	5.3%	2026-10-05
2026-10-13	13G/Ano. 1	Patrick G. G. Dearindividual	9.9M	5.3%	2026-10-05
2026-08-13	13D/Ano. 11	Richard Griffithsindividual	14.4M	8.0%	2026-08-12
2026-08-13	13G/Ano. 4	Raymond Debbaneindividual	9.9M	7.0%	2026-06-30
2026-08-13	13G/Ano. 4	Invus Public Equities Advisors, LLCother entity	8.7M	6.1%	2026-06-30
2026-08-13	13G/Ano. 4	Invus Public Equities, L.P.partnership	8.7M	6.1%	2026-06-30
2026-08-13	13G/Ano. 4	Invus Global Management, LLCother entity	8.7M	6.1%	2026-06-30
2026-08-13	13G/Ano. 4	Siren, L.L.C.other entity	8.7M	6.1%	2026-06-30
2026-08-13	13G/Ano. 4	Avicenna Life Sci Master GP LLCother entity	1.2M	0.9%	2026-06-30
2026-08-13	13G/Ano. 4	Ulys, L.L.C.other entity	1.2M	0.9%	2026-06-30
2026-08-13	13G/Ano. 4	Avicenna Life Sci Master Fund LPpartnership	1.2M	0.9%	2026-06-30
2026-07-08	13D/Ano. 10	Ora Capital Limitedcorporation	19.2M	13.5%	2026-07-06
2026-02-09	13G/Ano. 6	Lombard Odier Asset Management (USA) Corpinvestment adviser, other entity	5.9M	4.2%	2025-12-31

13F holders

Tracked managers holding SLN at their latest 13F. JSON

4 of the 30 tracked managers held SLN at their latest 13F, $26.1M in total at quarter-end prices. Citadel Advisors is the largest at $14.6M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 3 added shares and 1 cut.

Fund	Quarter	Shares	Value	Of portfolio	Change in shares
Citadel Advisors	2026-06-30	1.3M	$14.6M	0.00%	+95K
Millennium Management	2026-06-30	909K	$10.0M	0.00%	-165K
Two Sigma Investments	2026-06-30	121K	$1.3M	0.00%	+105K
Renaissance Technologies	2026-06-30	17K	$186K	0.00%	new

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

Silence Therapeutics 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 Silence Therapeutics (SLN), SEC CIK 1479615, 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 2026-10-15.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 2026-09-17.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 2026-10-13.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 2026-08-10.JSON and CSV
Company record: EDGAR filing index for CIK 1479615Ticker, 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 SLN is sold short?

2,927,366 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 SLN's daily short volume?

On 2026-11-02, 122,156 of the 451,296 SLN shares reported to FINRA were sold short, 27.1% of the day's reported volume. Short volume is a flow for one day, not a position.

Does SLN have fails to deliver?

The SEC's latest file shows 477 SLN shares failed to deliver at settlement 2026-09-17. Fails are reported per settlement date and published twice a month with a lag.

Are SLN insiders buying or selling?

No Form 4 filings for SLN are on record.

Who owns 5% or more of SLN?

Which tracked 13F managers own SLN?

4 of the 30 tracked 13F managers held SLN shares at their latest filing, $26.1M in all. The largest: Ken Griffin's Citadel Advisors (1.3M shares, $14.6M), Izzy Englander's Millennium Management (909K shares, $10.0M), Two Sigma Investments (121K shares, $1.3M), Renaissance Technologies (17K shares, $186K).

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

Silence Therapeutics (SLN)

Short interest

Daily short volume

Fails to deliver

Large holders (13D and 13G)

13F holders

Silence Therapeutics in the regulatory record

Source and updates

How to read it

Other company pages

Datasets

Frequently Asked Questions