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NBIS — structural market context

Nebius Group N.V.

Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.

What changed

As of the close on Oct 21. Each line shows the earlier value, the later value and their dates.

Price

Close $171.57 (Oct 21) vs $171.45 (Oct 20): +0.07%.

Volume

0.99× its 20-session average (19.8M) on Oct 21.

Includes pre- and post-market trading.

Short interest

Short interest 44.7M shares (settlement Sep 30) vs 46.8M (Sep 15).

No new publication in this window. Latest: settlement Sep 30, published Oct 10.

Fails-to-deliver

Latest file (settlements Sep 15–Sep 30, published Oct 16): 9 days with fails, largest 544K shares on Sep 18.

Previous file (settlements Sep 1–Sep 14, published Sep 30): 9 days with fails, largest 122K shares on Sep 8.

No new publication in this window.

Analyst rating actions

2 rating actions recorded.

Piper Sandler — Rating maintained — Oct 21

Piper Sandler — Price target change — Oct 21

Insider filings (Form 4)

1 Form 4 filing recorded, with 2 transactions: 2 purchase transactions (code P, $50K), 0 sale transactions (code S, $0).

Filed Oct 21. Form 4 data arrives about a day after filing.

NBIS: what the public data shows

Each row is the latest public record we hold for NBIS, with its own date and source. Figures are descriptive and delayed by their source.

DataLatest recordAs ofSource
Short interest→ Short Interest & FTD tracker44.7M shares short · 2.7 days to cover · 19.5% of float · −4.5% vs 2026-09-152026-09-30FINRA
Fails-to-deliver→ Short Interest & FTD tracker4K shares failed to deliver on 2026-09-302026-09-30SEC fails-to-deliver files
Insider Form 4 (P/S)→ Insider Buying tracker5 purchases and 68 sales in 12 months · latest filed 2026-10-21 by Grimme Arne2026-10-21SEC Form 4
Analyst rating actions5 recent actions · latest published by Bank of America Securities on 2026-10-222026-10-22Firms' published actions
Short interest→ Short Interest & FTD tracker
Latest record
44.7M shares short · 2.7 days to cover · 19.5% of float · −4.5% vs 2026-09-15
As of
2026-09-30
Source
FINRA
Fails-to-deliver→ Short Interest & FTD tracker
Latest record
4K shares failed to deliver on 2026-09-30
As of
2026-09-30
Source
SEC fails-to-deliver files
Insider Form 4 (P/S)→ Insider Buying tracker
Latest record
5 purchases and 68 sales in 12 months · latest filed 2026-10-21 by Grimme Arne
As of
2026-10-21
Source
SEC Form 4
Analyst rating actions
Latest record
5 recent actions · latest published by Bank of America Securities on 2026-10-22
As of
2026-10-22
Source
Firms' published actions

NBIS short interest & days to cover

SHARES SHORT
44.7M
% OF FLOAT
19.5%
DAYS TO COVER
2.7
CHANGE VS PRIOR
-4.5%

FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-09-30 (22d ago)

NBIS fails-to-deliver (FTD)

Settlement dateFailed sharesPrice
2026-09-30 · 22d4K$237.36
2026-09-28 · 24d2K$237.33
2026-09-25 · 27d145K$243.48

SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.

NBIS insider buying and selling (Form 4)

Last 12 months, Form 4 codes P and S: 5 purchases · 68 sales

Most recent Form 4 shown for NBIS: Grimme Arne (Director) reported a purchase (code P) of 151 shares at $164.62 on 2026-10-20, filed 2026-10-21 (1 day after the trade).

InsiderTypeSharesPriceValueTrade dateFiled
Grimme Arne · directorPurchase (P)151$164.62$25K2026-10-202026-10-21 · +1d
Grimme Arne · directorPurchase (P)148$167.94$25K2026-10-212026-10-21 · +0d
Grimme Arne · directorPurchase (P)148$169.99$25K2026-10-192026-10-20 · +1d
Boynton John Wilson IV · directorSale (S)100$188.77$19K2026-10-152026-10-19 · +4d
Boynton John Wilson IV · directorSale (S)200$164.80$33K2026-10-152026-10-19 · +4d

SEC Form 4 filings: purchases and sales reported on Form 4 (transaction codes P and S) only; grants and option exercises excluded. Attributed public records.

NBIS analyst ratings

FirmActionRatingPublished
Bank of America SecuritiesholdBuy2026-10-22
Piper Sandlerprice_target—2026-10-21
Piper SandlerholdNeutral2026-10-21
William BlairinitialiseOutperform2026-09-30
BNP Paribasprice_target—2026-09-24

Rating actions as published by the firms, from public feeds. They are not graded here.

Frequently asked questions

What is NBIS's short interest?
As of the FINRA settlement date 2026-09-30, NBIS had 44.7M shares sold short — 19.5% of its float, with 2.7 days to cover at average volume. FINRA publishes this data roughly two weeks after each twice-monthly settlement, so it is inherently delayed. A short-interest figure describes an aggregate position; it does not predict what the stock will do.
Are insiders buying NBIS?
In the last 12 months of SEC Form 4 filings, NBIS recorded 5 insider purchases and 68 sales reported on Form 4 (transaction codes P and S; grants and option exercises excluded). These are attributed public records — information, not instruction.
What do analysts say about NBIS?
The most recent action: Bank of America Securities hold to Buy on 2026-10-22. Rating actions are shown as published by the firms; they are not graded here.
Is this page telling me to buy or sell NBIS?
No. Everything on this page is descriptive, structural market context from public data, shown with its as-of dates. TradeAI News does not issue directional recommendations, price predictions, or buy/sell advice — for any ticker.
All covered stocksShort Interest & FTD trackerInsider Buying trackerThe platform

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NBIS: the full history

Latest rows shown. Full history, market-wide screens, cluster detection and the context journal live in the dashboard.

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Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.