Live tape
Top 8, mentions 7d14,338NVDA4,854 mentions▲ +0.04GOOGL2,061 mentions▲ +0.04SPY1,736 mentions▲ +0.06QQQ1,554 mentions▲ +0.05AMD1,212 mentions▲ +0.08SPCX1,106 mentions▲ +0.05TSLA954 mentions▲ +0.04SNDK861 mentions▲ +0.05

Equity · Healthcare

ALT

NASDAQ

Altimmune (ALT)

2.12 USD +1.44% vs prior close Nov 9, 2026
Altimmune, Inc. price graph
63 sessions
3.5 1.5 12 Aug 9 Nov

The line runs 2.92 USD on 12 August through 2.12 USD on 9 November, on a scale from 1.5 to 3.5. Days the market did not trade hold the previous close, flat.

Market cap
411.4M USD
Revenue, year to Dec 2025
41K USD
EPS, diluted, year to Dec 2025
−1.00 USD
52-week range
1.97 USD – 6 USD
Avg volume
183.5K
Mentions, 30 days
6
Net sentiment
+0.11

as of Nov 9, 2026

Have Altimmune (ALT) insiders bought or sold shares recently?

In the 90 days to 10 Nov 2026, Altimmune insiders reported 1 open-market purchase and no sales (SEC Form 4).

Form 4, 90 days to 10 Nov 2026, newest reported trade 13 Aug 2026

1buys
0sells
$44Knet bought
6other filings
Have Altimmune (ALT) insiders bought or sold shares recently?
ReportedInsiderTypeSharesValue
13 Aug 2026Durso Jerome BenedictPresident and CEOBuy15,00044K USD
6 other filings in the window: grants, exercises, tax withholding and transfers, not trades
Have Altimmune (ALT) insiders bought or sold shares recently?
ReportedInsiderTypeSharesValue
01 Oct 2026WEAVER GREGORY LChief Financial OfficerOption exercise14,475
01 Oct 2026WEAVER GREGORY LChief Financial OfficerTax withheld4,37912K USD
01 Oct 2026Arbet-Engels ChristopheChief Medical OfficerOption exercise37,500
01 Oct 2026Arbet-Engels ChristopheChief Medical OfficerTax withheld12,67935K USD
16 Sep 2026Richardson Linda MChief Commercial OfficerOption exercise24,000
16 Sep 2026Richardson Linda MChief Commercial OfficerTax withheld6,82622K USD

Which funds hold Altimmune (ALT)?

10 of the 45 institutional funds we track reported a Altimmune position for the quarter ended 30 Jun 2026 — a combined 68.0M USD; the latest of those filings landed 02 Sep 2026.

Form 13F

Which funds hold Altimmune (ALT)?
FundPositionSharesValueShares q/q
Marshall WaceAdded6,841,05520.8M USD+70.3%
Viking Global InvestorsNew position6,700,00020.4M USD
Millennium ManagementHeld (±25%)3,309,12210.1M USD+1.6%
Two Sigma InvestmentsHeld (±25%)2,381,1427.2M USD−3.9%
AQR Capital ManagementAdded1,220,9493.7M USD+1,328.8%
Citadel AdvisorsAdded983,5593.0M USD+119.1%
Point72 Asset ManagementTrimmed486,8841.5M USD−26.8%
D. E. Shaw & Co.Trimmed201,638613K USD−72.3%
Man GroupAdded173,872529K USD+33.9%
Renaissance TechnologiesNew position71,600218K USD

What has been filed or recorded for Altimmune (ALT)?

The filings we hold for Altimmune, newest first: 3 fails-to-deliver days, 6 quarterly earnings reports, 2 annual reports and 5 reported financial figures, the latest dated 14 Oct 2026. No next earnings date is announced in SEC filings yet.

What has been filed or recorded for Altimmune (ALT)?
And
14 Oct 2026Fails to deliverShares failed to deliver631 shares2K USD notional · <0.001% of shares out
01 Oct 2026Fails to deliverShares failed to deliver2,146 shares6K USD notional · 0.001% of shares out
28 Sep 2026Fails to deliverShares failed to deliver3,623 shares11K USD notional · 0.002% of shares out
30 Jun 2026Quarterly earningsQ2 2026 reportedEPS −0.12 USD
30 Jun 2026FinancialsTotal assets527.2M USDat period end
30 Jun 2026FinancialsTotal equity474.2M USDat period end
31 Mar 2026Quarterly earningsQ1 2026 reportedEPS −0.18 USD
31 Dec 2025Annual reportFY 2025 reportedEPS −1.00 USDRevenue $0M
31 Dec 2025FinancialsRevenue41K USDfiscal year
31 Dec 2025FinancialsNet income−88.1M USDfiscal year
31 Dec 2025FinancialsDiluted EPS−1.00 USDfiscal year
30 Sep 2025Quarterly earningsQ3 2025 reportedEPS −0.21 USDRevenue $0M
30 Jun 2025Quarterly earningsQ2 2025 reportedEPS −0.27 USDRevenue $0M
31 Mar 2025Quarterly earningsQ1 2025 reportedEPS −0.26 USDRevenue $0M
31 Dec 2024Annual reportFY 2024 reportedEPS −1.34 USDRevenue $0M
30 Sep 2024Quarterly earningsQ3 2024 reportedEPS −0.32 USDRevenue $0M

What is Reddit saying about Altimmune (ALT)?

Reddit mentioned ALT 6 times in the 30 days to 10 November 2026, across 2 of the communities we track. All of them were scored for sentiment: 83% read bullish, 0% bearish and 17% neither. Reddit data updated 10 November 2026.

30-day window, Method

6mentions, 30 days
83%bullish
0%bearish
2communities
+29pointsagainst the market

How do Reddit mentions of Altimmune (ALT) compare with its price?

Share ↗
6 mentions

Which subreddits are talking about Altimmune (ALT)?

30 days

Which subreddits are talking about Altimmune (ALT)?
CommunityShareMentionsNet sentiment
r/wallstreetbets83%5+0.10
r/stocks17%1+0.14

What do people ask about Altimmune (ALT)?

From live data
What did Altimmune shares close at?2.12

Altimmune closed at 2.12 USD on 9 Nov 2026, up 1.44% on the close before. That is the end-of-day price from Finazon, not a live quote.

What is Altimmune’s market cap?411.4M

Altimmune is worth 411.4M USD by market value as of 9 Nov 2026, which is the share price times the shares on issue from its SEC filings.

What is Altimmune’s revenue?41K

Altimmune reported revenue of 41K USD for the year ended 31 Dec 2025, as filed with the SEC. See Filings

Have Altimmune insiders bought or sold shares recently?1 purchase

In the 90 days to 10 Nov 2026, Altimmune insiders reported 1 open-market purchase and no sales (SEC Form 4). A further 6 filings were grants, awards, gifts or exercises rather than open-market trades. See Insiders

Which funds own Altimmune?10 of 45

10 of the 45 funds we track reported a Altimmune position for the quarter ended 30 Jun 2026, per their SEC Form 13F filings. The largest reported positions were Marshall Wace, Viking Global Investors and Millennium Management. See Funds

When did Altimmune last report earnings?−0.12

Altimmune last reported earnings on 30 Jun 2026 for Q2 2026, with EPS of −0.12 USD; no next date is announced in SEC filings yet. See Filings

What is Reddit saying about Altimmune?3 mentions

Altimmune was mentioned 3 times in the last 7 days across the finance subreddits we track, and 6 times over the trailing 30 days. Of the 6 mentions scored for sentiment, 83% read bullish and 0% bearish. That is a social signal, not investment advice. See Reddit

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.

References
  1. Finazonprior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source
  2. TradingViewthe price chart widget, drawn by TradingView from their own data
  3. RedditReddit ingest across the tracked finance subreddits
  4. SEC EDGARForm 4 filings (insider transactions)
  5. SEC EDGAR13F filings
  6. SECSEC fails-to-deliver (CNS) data
  7. SEC EDGARXBRL company facts, latest period ended 30 Jun 2026
  8. SEC EDGARreported earnings figures and scheduled report dates
  9. SEC EDGARValuation computed from SEC EDGAR filings