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$ACIU

AC Immune SA

XNASOtherUnknown

$2.83
+7.20%+$0.190
RVOL peak today
Normal
Halted today
None today
Float
69.1M
Next earnings
Unscheduled
$2.83+7.20%+$0.1901Prev $2.64LIVE Full chart Live alerts
No recent price bars, the chart lights up when ACIU starts printing.

Why is ACIU up today? It is at $2.83 (+7.20%), and our scanner flagged it 2 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment ACIU spikes, and full due diligence on ACIU — key stats, earnings, dilution and insider activity. Free.

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Our scanner flagged $ACIU 2 times in the last 30 days. Create a free account to track $ACIU, build a watchlist, and get instant unusual-volume alerts, with a full day of premium now and 5 more when you verify your email, no card needed.

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Key Stats

Price & performance
Price
$2.83
Change today
+7.20%
Previous close
$2.64
52-week range
$2.03 – $4.00
Valuation & dividend
Market cap
$288M
Ownership & volume
Shares outstanding
99.4M
Live vendor count
Insider ownership
6.4%
20-F · 2026-03-13
Institutional own.
24.04%
Total held
30.5%
Tradeable float
69.1M
70% of shares · after 6% insiders + 24% institutions
Short interest
3.6M
▲ +5% vs prior · as of 2026-07-31
Short % of float
5.1%
Days to cover
18.2d
Avg daily volume
379K
Classification
Sector
Other
Industry
Unknown
Exchange
XNAS
Relative volumevs this time of day
5mthin
4999x
15mthin
4999x
1hthin
1.4x
1D
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Why is $ACIU up today?

Here is the latest on ACIU from our scanner (live price and day move above). A move this size is almost always tied to a specific catalyst. Most of the time that is an earnings report, a guidance update, or a company announcement. If none is shown above, the release may not be in our news feed yet. It will show up here as soon as it is.

Latest filing6-KForeign issuer report (6-K)Aug 20, 2026 · 3 days ago
Why is $ACIU moving? →▶ Replay the moveAuto-generated from live scanner data. Not investment advice.
Trading profileShortableEasy to borrowNo SSRBorrow via Alpaca · SSR from Reg SHO 201
Wall Street consensusStrong Buy2 analysts
Avg target $10.00(+253% upside)
Range $8 - $12
2 buy0 hold0 sell

Analyst data via Nasdaq. Not investment advice.

Insiders

Insiders buying1 open-market buy5 buys, 0 sells last 3 months (6/1 over 12 months)
Show 7 recent transactions
InsiderActionShares% of positionOwns afterValueDate
June Carl Howard
Director
Acquired (grant/award)+17K
0.02% of company
added 32%68Kn/aJun 11, 26
Buetler Monika
Director
Acquired (grant/award)+18K
0.02% of company
added 33%72Kn/aJun 11, 26
Zuegel Martin
Officer
Acquired (grant/award)+33K
0.03% of company
added 87%71Kn/aJun 11, 26
Aguiar-Lucander Renee
Director
Acquired (grant/award)+17K
0.02% of company
added 48%51Kn/aJun 11, 26
Twyman Roy Ervin
Director
Acquired (grant/award)+17K
0.02% of company
added 22%93Kn/aJun 11, 26
Pfeifer Andrea
Officer
Sold (automatic/other)-10K
0.01% of company
sold 0.3%3.82M$28K
at $2.79
May 15, 26
Pfeifer Andrea
Officer
Bought (open market)+10K
0.01% of company
added 0.3%3.83M$31K
at $3.14
Apr 15, 26

Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.

$ACIU Sentiment

Bullish
Bearish98Bullish
📰 News: 3 bull · 0 bearToday: +7.2%👥 Community: 0 bull · 0 bear

Blend of news sentiment, today’s move, and community votes. Not investment advice.

$ACIU Activity

News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.

Alert· 1d ago +8.2% vs EMA
ACIU 200EMA (5m) Trending · 60 bars · L3 · +8.23% above EMA · slope +1.75%
at $2.90
Alert· 1d ago +2.2% vs EMA
ACIU 50EMA (5m) Trending · 60 bars · L3 · +2.18% above EMA · slope +2.37%
at $2.90
Alert· 1d ago +5.7% vs EMA
ACIU 200EMA (1m) Trending · 106 bars · L4 · +5.72% above EMA · slope +1.34%
at $2.90
Alert· 1d ago +0.8% vs EMA
ACIU 50EMA (1m) Trending · 106 bars · L4 · +0.85% above EMA · slope +1.40%
at $2.90
Alert· 2d ago +7.9% vs EMA
ACIU 200EMA (1m) Trending · 54 bars · L3 · +7.89% above EMA · slope +1.66%
at $2.86
Alert· 2d ago +2.4% vs EMA
ACIU 50EMA (1m) Trending · 52 bars · L3 · +2.44% above EMA · slope +2.53%
at $2.86
Alert· 2d ago 2.0× RVOL
ACIU hit 2.000x RVOL at 9:53 AM ET
at $2.78
News· SEC EDGAR· 3d ago
AC Immune SA filed a Foreign issuer report (6-K)
Alert· 11d ago +4.9% vs EMA
ACIU 200EMA (5m) Trending · 64 bars · L3 · +4.93% above EMA · slope +1.48%
at $2.56
Alert· 12d ago -6.93%
$ACIU moved -6.93% (~15m high-low range 6.93%) (Level 5) at 9:30 AM ET
at $2.45
News· SEC EDGAR· 12d ago
AC Immune SA filed a Foreign issuer report (6-K)
News· SEC EDGAR· 18d ago
AC Immune SA filed a Foreign issuer report (6-K)
Alert· 30d ago 4.4× RVOL
ACIU hit 4.362x RVOL at 9:30 AM ET
at $2.30
News· SEC EDGAR· 54d ago
AC Immune SA filed a Foreign issuer report (6-K)
News· GlobeNewswire Inc.· 93d ago Bullish
AC Immune Presents New Phase 1 Data Indicating Higher Uptake of TDP-43 PET Tracer ACI-19626 in Patients with ALS
News· GlobeNewswire Inc.· 138d ago Bullish
AC Immune Announces Amendment to Morphomer ® Tau License and Collaboration Agreement with Lilly
News· GlobeNewswire Inc.· 255d ago Bullish
AC Immune Positive Interim Phase 2 Data on ACI-7104.056 Support Potential Slowing of Progression of Parkinson’s Disease
News· GlobeNewswire Inc.· 292d ago Neutral
AC Immune Reports Third Quarter 2025 Financial Results and Provides a Corporate Update

Also moving today

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ACIU stock FAQ

Why is $ACIU up today?

Here is the latest on ACIU from our scanner (live price and day move above). A move this size is almost always tied to a specific catalyst. Most of the time that is an earnings report, a guidance update, or a company announcement. If none is shown above, the release may not be in our news feed yet. It will show up here as soon as it is.

What is the ACIU stock price today?

ACIU last traded at $2.83, up 7.20% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).

Where can I see live ACIU alerts?

The ACIU Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged ACIU 2 times in the last 30 days.

What exchange is ACIU on?

ACIU (AC Immune SA) trades on XNAS, with a market cap of about $288M in the UNKNOWN sector.

Is ACIU good for day trading?

That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge ACIU for yourself. This is not investment advice.

Live data from TheDesperateTrader scanner. Not investment advice.