Market Cap
$244.3M
SIGA
SIGA TECHNOLOGIES INC
$3.31 ▼ -1.19%
Prev close $3.35Market cap$244.3M
26 New Institutional Positions10 Institutional Exits Biotech & Drug Discovery
Snapshot
The big-picture read on SIGA right now — valuation, ownership and activity at a glance.
Cap Size
Micro Cap
Inst. Holders
50 funds
Inst. Value
$97.5M
Inst. Activity
26 buys / 10 sells
Social Sentiment
33° Cool
SEC Reports
2
Press Releases
1
Price chart 30d +3.1%
Daily candles (open–high–low–close) with volume. Green = up day, red = down day.
No data for this timeframe.
Vol
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Aug 6, 2026 earnings
SIGA Reports Financial Results for Three and Six Months Ended June 30, 2026
NEW YORK, Aug. 06, 2026 (GLOBE NEWSWIRE) -- SIGA Technologies, Inc. (SIGA) (Nasdaq: SIGA), a commerc
Jun 30, 2026 Inst.
Qube Research & Technologies — ADD
740,910 shares ($2.7M)
Jun 30, 2026 Inst.
JACOBS LEVY EQUITY MANAGEMENT, — ADD
566,863 shares ($2.1M)
Jun 9, 2026 Insider
Marshall Joseph W III disposed of 7,235 shares
Director @ $4.39 ($31.8K)
Jun 9, 2026 Insider
Marshall Joseph W III was granted 34,169 shares
Director
Jun 9, 2026 Insider
May 8, 2026 SEC Nabel Gary J. acquired via exercise 24,116 shares
Director
SIGA Technologies filed a DEFA14A supplement to its 2026 proxy statement, correcting errors in Proposal 4 regarding the
DEFA14A — Impact 2/10
SIGA reported Q1 2026 total revenues of $6.2M (down 11% YoY) and a net loss of $3.5M vs $0.4M loss a year ago, driven by
PRESS-RELEASE — Impact 6/10
Analyst ratings
How Wall Street rates the stock today, and the latest firm-by-firm actions.
Recent analyst actions
| Date | Firm | Action | Rating | Firm rating |
|---|---|---|---|---|
| Nov 6, 2012 | Wedbush | MAINTAIN | Outperform | 57% |
Social media sentiment mood +0.0%
Retail-investor mood aggregated across social media. 0° = very bearish, 100° = very bullish.
33°
Cool
BearishNeutralBullish
Recent posts
Reports & filings
AI-scored summaries of recent SEC filings and press releases, with sentiment and impact.
2 SEC filing reports analyzed · 0 bullish, 1 bearish, 0 mixed, 1 neutral · avg impact 4.0/10.Plus 1 press releases.
NEUTRALDEFA14A2/10
SIGA Technologies filed a DEFA14A supplement to its 2026 proxy statement, correcting errors in Propo
May 8, 2026
BEARISHPRESS-RELEASE6/10
SIGA reported Q1 2026 total revenues of $6.2M (down 11% YoY) and a net loss of $3.5M vs $0.4M loss a
May 7, 2026
NEUTRAL4/10
SIGA Technologies announced a special cash dividend of $0.60 per share, consistent with the prior ye
Mar 26, 2026
Upcoming & catalyst events
Scheduled dates plus disclosed catalysts — earnings, dividends, enforcement, FDA and clinical-trial events. Colored dot = impact.
Sep 11, 2026
Clinical Trial
A Trial to Assess the Safety, Tolerability, and Pharmacokinetics of the Anti-Orthopoxvirus Compound Tecovirimat
Phase Phase 3 — COMPLETED
Sep 11, 2026
Clinical Trial
Safety, Tolerability and Pharmacokinetics of TPOXX When Administered Orally for 28 Days
Phase Phase 3 — COMPLETED
Sep 11, 2026
Clinical Trial
Safety, Tolerability, Pharmacokinetics (PK) of the Anti-Orthopox Drug, ST-246
Phase Phase 2 — COMPLETED
Aug 6, 2026
earnings
SIGA Reports Financial Results for Three and Six Months Ended June 30, 2026
NEW YORK, Aug. 06, 2026 (GLOBE NEWSWIRE) -- SIGA Technologies, Inc. (SIGA) (Nasdaq: SIGA), a commercial-stage pharmaceutical company, today reported f
Aug 6, 2026
earnings_calendar
SIGA Q2 2026 Earnings Scheduled — 2026-08-06
Earnings estimates
Forecast earnings per share and revenue by period — and whether estimates are rising.
| Period | EPS Est. | Range | Growth | 30d Rev | Up/Dn | Revenue | # |
|---|---|---|---|---|---|---|---|
| Current Q | $0.00 | $0.00–$0.00 | — | — | — | $0.0B | — |
| Next Q | $0.00 | $0.00–$0.00 | — | — | — | $0.0B | — |
| Current FY | $0.05 | $0.05–$0.05 | -84.4% | -66.7% | 0↑ 1↓ | $0.1B | 1 |
| Next FY | $1.08 | $1.08–$1.08 | 2060.0% | +2.9% | — | $0.2B | 1 |
Institutional ownership
Which big funds own SIGA (from quarterly 13F filings) and who is adding or trimming.
50 institutional holders with $97.5M total value (26,765,451 shares) as of 2026-Q2. Top holders: BlackRock,, DIMENSIONAL, VANGUARD. Net buying activity: 26 institutions added/increased vs 10 reduced.
Top holders — 2026-Q2
| Fund | Shares | Value | % Tracked | Last move |
|---|---|---|---|---|
| BlackRock, Inc. | 4,186,282 | $15.2M | 15.6% | — |
| DIMENSIONAL FUND ADVISORS LP | 2,719,568 | $9.9M | 10.1% | — |
| VANGUARD CAPITAL MANAGEMENT LLC | 1,712,701 | $6.2M | 6.4% | — |
| AMERICAN CENTURY COMPANIES INC | 1,506,065 | $5.5M | 5.6% | — |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1,474,817 | $5.4M | 5.5% | ADD +48.9% |
| GEODE CAPITAL MANAGEMENT, LLC | 1,417,092 | $5.2M | 5.3% | ADD +30.9% |
| AQR CAPITAL MANAGEMENT LLC | 1,245,992 | $4.5M | 4.6% | ADD +39.7% |
| STATE STREET CORP | 1,133,989 | $4.1M | 4.2% | — |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 914,047 | $3.3M | 3.4% | — |
| Qube Research & Technologies Ltd | 740,910 | $2.7M | 2.8% | ADD +78.5% |
Recent position changes
| Fund | Action | Prev | Current | Change | Value |
|---|---|---|---|---|---|
| Qube Research & Technologies Ltd | ADD | 415,104 | 740,910 | +78.5% | $2.7M |
| JACOBS LEVY EQUITY MANAGEMENT, INC | ADD | 291,846 | 566,863 | +94.2% | $2.1M |
| MORGAN STANLEY | ADD | 263,335 | 421,009 | +59.9% | $1.5M |
| GOLDMAN SACHS GROUP INC | TRIM | 624,903 | 393,007 | -37.1% | $1.4M |
| Creative Planning | ADD | 168,555 | 275,528 | +63.5% | $1.0M |
| D. E. Shaw & Co., Inc. | TRIM | 456,385 | 264,900 | -42.0% | $964.2K |
| VICTORY CAPITAL MANAGEMENT INC | TRIM | 376,571 | 260,062 | -30.9% | $946.6K |
| UBS Group AG | ADD | 104,062 | 181,998 | +74.9% | $662.5K |
| Man Group plc | ADD | 94,513 | 157,348 | +66.5% | $572.7K |
| LOS ANGELES CAPITAL MANAGEMENT LLC | DOUBLED | 69,082 | 145,060 | +110.0% | $528.0K |
Insider activity
Buying and selling by company executives and directors (SEC Form 4).
11 insiders, 35 transactions. Net $0.00 — $0.00 bought, $0.00 sold.
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 9, 2026 | Marshall Joseph W III | Director | D | 7,235 | $4.39 | $31.8K |
| Jun 9, 2026 | Marshall Joseph W III | Director | AWARD | 34,169 | — | — |
| Jun 9, 2026 | Nabel Gary J. | Director | EXERCISE | 24,116 | — | — |
| Jun 9, 2026 | Nabel Gary J. | Director | D | 7,235 | $4.39 | $31.8K |
| Jun 9, 2026 | Nabel Gary J. | Director | AWARD | 34,169 | — | — |
| Jun 9, 2026 | DURNAN JAYMIE A | Director | EXERCISE | 24,116 | — | — |
| Jun 9, 2026 | DURNAN JAYMIE A | Director | D | 7,235 | $4.39 | $31.8K |
| Jun 9, 2026 | DURNAN JAYMIE A | Director | AWARD | 34,169 | — | — |
| Jun 9, 2026 | Nemirovsky Julian | Director | EXERCISE | 24,116 | — | — |
| Jun 9, 2026 | Nemirovsky Julian | Director | AWARD | 34,169 | — | — |
Short interest & halts
FINRA semi-monthly short positions, Reg SHO threshold status, and recent trading halts for SIGA.
Shares short
3,729,992
Settlement Sep 15, 2026
Change vs prior
+5.0%
Semi-monthly cycle
Days to cover
5.5
At avg daily volume
Of shares outstanding
≈5.2%
Estimate — not % of float
All SIGA filing & press-release reports (3)
- DEFA14A reportMay 8, 2026
- PRESS-RELEASE reportMay 7, 2026
- PRESS-RELEASE reportMar 26, 2026