Nebius Group enters the week with a sharply changed short-side story — a 15% single-week drop in short interest marks a decisive renewal of the covering trend that had stalled through early September, and it arrives just as the analyst community is turning visibly more bullish.
The covering move is the headline this week. Short interest fell from roughly 53 million shares to 44.9 million in a single session on September 10 — a 15% week-on-week decline that brings the float short to 20.6%, down from a peak near 63 million shares in early August. That's a 29% reduction in the short position over one month. The September 2 note noted the flush looked largely done; the data now says it wasn't. The borrow market reflects the shift: availability tightened to 41.8% from 53.4% the prior session, consistent with fresh covering demand absorbing some of the previously loosened pool. Cost to borrow remains low at 0.85% — a fraction of the 1.77% reading from August 20 — suggesting the covering is orderly rather than distressed. The ORTEX short score edged down to 68.6 from 69.3 a week ago, a modest but directionally consistent easing of bearish pressure. Availability has tightened relative to last week but remains far above the sub-5% readings that characterised mid-August, when the lending pool was essentially exhausted.
Options positioning adds nuance. The put/call ratio at 0.92 is essentially flat with its 20-day mean of 0.92, producing a z-score near zero. That's notably calm relative to the extremes of late July, when the PCR was running at 1.27–1.30. Options traders are neither pressing downside protection nor abandoning it — a neutral read that contrasts with the more active short-side repositioning happening in the lending market.
The analyst picture has shifted materially since last week. Truist Securities initiated coverage on September 9 with a Buy and a $355 target — the most recent and most bullish of a cluster of post-earnings initiations. Baird raised its Outperform target to $340 (from $250) and Citigroup lifted its Buy target to $324 (from $278) following the August 12 results. The consensus is Buy, with a mean target of $290.71 against a close of $228.11 — implying roughly 27% upside. The dissent comes from DA Davidson, which maintained Neutral and lifted its target to only $250, and from Piper Sandler, which initiated at Neutral with a $224 target in early August. The bull case rests on the $17 billion Microsoft revenue agreement and over $40 billion in contracted revenue; the bear case cites GPU supply constraints, capital intensity, and pricing pressure in a market still finding its structure. EPS momentum ranks in the 97th percentile on a 90-day basis — one of the strongest in the universe — though the stock remains deeply loss-making, trading at a negative P/E and a price-to-book above 7x.
The institutional register is one of the most distinctive features of this name. NVIDIA Corporation disclosed a 9.3% stake via Schedule 13G in July — a strategic signal that goes well beyond passive financial investment. Goldman Sachs holds 10.5% after raising its stake, also disclosed via 13G in August. CEO Arkady Volozh remains the single largest named holder at 10.75%, though he trimmed marginally in the period ending September 1. Both NVIDIA and Goldman are passive filers under 13G rather than activist 13D registrants, so there is no explicit control agenda on the register — but NVIDIA's presence as a 9.3% shareholder in a GPU-dependent AI cloud company is a structural endorsement. As always, 13D/G stakes reflect positions as last disclosed around the 5% threshold; any holder dropping below 5% may exit without further notice.
The earnings calendar is the next material catalyst. Q3 results are scheduled for October 29. The August 12 print produced a 32% single-day move — the last reported quarter also saw a 5-day return of nearly 16%, though an earlier print in July generated a 21% one-day drop followed by a 20% five-day recovery. The stock is up 24% over the past month and 8% on the week, closing at $228.11 before Thursday's 5% pullback. Correlated peers — CORZ, KEEL, WULF — all fell 4–7% on Thursday alongside NBIS, suggesting sector-wide pressure rather than a stock-specific event. What to watch into October: whether the short-covering pace continues at this rate or plateaus again, and how borrow availability responds if the stock reclaims the $240 area that preceded the August surge.
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