SIGANasdaqPharmaceutical PreparationsFiscal year ends December 31
SIGA TECHNOLOGIES INC
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026
$3.14−0.03 (-0.95%)
Close on Oct 19, 2026
- Market cap
- $225.72M
- P/E (TTM)
- –
- Dividend yield
- 19.11%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
48.5%
35M of 72M shares
Institutional holders
161
17 new, 35 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of SIGA | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,186,282 | 5.83% | $15.24M | +692,089 | 0.00% |
| Dimensional Fund Advisors LP | 2,719,568 | 3.79% | $9.90M | +16,844 | 0.00% |
| AltraVue Capital, LLC | 2,327,144 | 3.24% | $8.47M | −104,880 | 0.61% |
| Vanguard Capital Management LLC | 1,712,701 | 2.38% | $6.23M | −1,679 | 0.00% |
| American Century Companies Inc | 1,506,065 | 2.10% | $5.48M | +188,281 | 0.00% |
| Arrowstreet Capital, Limited Partnership | 1,474,817 | 2.05% | $5.37M | −51,143 | 0.00% |
| Geode Capital Management, LLC | 1,417,092 | 1.97% | $5.16M | +101,547 | 0.00% |
| First Wilshire Securities Management Inc | 1,339,883 | 1.86% | $4.88M | +449,385 | 1.00% |
| Aqr Capital Management LLC | 1,245,992 | 1.73% | $4.54M | +26,315 | 0.00% |
| State Street Corp | 1,133,989 | 1.58% | $4.13M | +122,051 | 0.00% |
| Hotchkis & Wiley Capital Management LLC | 914,047 | 1.27% | $3.33M | +87,000 | 0.01% |
| Qube Research & Technologies Ltd | 740,910 | 1.03% | $2.70M | +325,806 | 0.00% |
| New York State Common Retirement Fund | 590,761 | 0.82% | $2.15M | – | 0.00% |
| Millennium Management LLC | 579,599 | 0.81% | $2.11M | +113,275 | 0.00% |
| Jacobs Levy Equity Management, Inc | 566,863 | 0.79% | $2.06M | +275,017 | 0.01% |
| Uniplan Investment Counsel, Inc. | 560,353 | 0.78% | $2.04M | +188,940 | 0.19% |
| Citadel Advisors LLC | 551,246 | 0.77% | $2.01M | −153,891 | 0.00% |
| Royce & Associates LP | 551,010 | 0.77% | $2.01M | −116,636 | 0.02% |
| Vanguard Portfolio Management LLC | 549,697 | 0.77% | $2.00M | −37,277 | 0.00% |
| Legato Capital Management LLC | 512,039 | 0.71% | $1.86M | – | 0.15% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 161 | 35M | 48.5% | 17 / 80 | 46 / 35 | 4M | 3M |
| Q1 2026 | 183 | 34M | 47.9% | 27 / 65 | 69 / 39 | 7M | 5M |
| Q4 2025 | 200 | 36M | 49.9% | 26 / 78 | 60 / 20 | 4M | 2M |
| Q3 2025 | 197 | 34M | 47.6% | 38 / 67 | 56 / 17 | 4M | 5M |
| Q2 2025 | 177 | 35M | 48.3% | 34 / 62 | 53 / 22 | 4M | 4M |
| Q1 2025 | 167 | 35M | 48.9% | 22 / 57 | 58 / 23 | 4M | 3M |
| Q4 2024 | 170 | 35M | 48.2% | 25 / 62 | 51 / 22 | 3M | 4M |
| Q3 2024 | 169 | 36M | 49.7% | 37 / 56 | 46 / 18 | 11M | 5M |
| Q2 2024 | 151 | 34M | 47.1% | 31 / 54 | 41 / 22 | 5M | 6M |
| Q1 2024 | 144 | 35M | 48.4% | 26 / 43 | 48 / 11 | 4M | 4M |
| Q4 2023 | 130 | 35M | 48.1% | 13 / 50 | 39 / 10 | 4M | 4M |
| Q3 2023 | 128 | 34M | 47.9% | 20 / 45 | 40 / 23 | 4M | 3M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of SIGA | Value | % of fund | As of |
|---|---|---|---|---|---|
| Avantis U.S. Small Cap Value ETF | 1,253,944 | 1.75% | $5.87M | 0.02% | May 31, 2026 |
| Vanguard Total Stock Market Index Fund | 1,206,157 | 1.68% | $4.39M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 1,132,826 | 1.58% | $4.12M | 0.00% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 464,304 | 0.65% | $1.69M | 0.00% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 463,804 | 0.65% | $1.52M | 0.00% | Jul 31, 2026 |
| U.S. Targeted Value Portfolio | 456,791 | 0.64% | $1.49M | 0.01% | Jul 31, 2026 |
| iShares Russell 2000 Value ETF | 394,114 | 0.55% | $1.43M | 0.01% | Jun 30, 2026 |
| Royce Small-Cap Fund | 328,264 | 0.46% | $1.19M | 0.06% | Jun 30, 2026 |
| U.S. Small Cap Portfolio | 314,574 | 0.44% | $1.03M | 0.01% | Jul 31, 2026 |
| Dimensional U.S. Targeted Value ETF | 303,452 | 0.42% | $992.29K | 0.01% | Jul 31, 2026 |
| Fidelity Small-Mid Multifactor ETF | 299,366 | 0.42% | $978.93K | 0.04% | Jul 31, 2026 |
| U.S. Small Cap Value Portfolio | 273,051 | 0.38% | $892.88K | 0.00% | Jul 31, 2026 |
| U.S. Micro Cap Portfolio | 255,849 | 0.36% | $836.63K | 0.01% | Jul 31, 2026 |
| Victory Small Cap Stock Fund | 245,315 | 0.34% | $802.18K | 0.08% | Jul 31, 2026 |
| Hotchkis and Wiley Small Cap Diversified Value Fund | 240,100 | 0.33% | $873.96K | 0.10% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Diem Nguyen | Chief Executive Officer, Director | 185,796 | 0.26% | Mar 17, 2026 |
| Larry R. Miller | General Counsel | 51,912 | 0.07% | Mar 26, 2026 |
| Dennis E. Hruby | EVP & Chief Scientific Officer | 202,492 | 0.28% | Mar 17, 2026 |
| Daniel J. Luckshire | Executive VP & CFO | 280,493 | 0.39% | Mar 17, 2026 |
| Julian Nemirovsky | Director | 80,989 | 0.11% | Jun 10, 2026 |
| Gary J. Nabel | Director | 73,754 | 0.10% | Jun 10, 2026 |
| Holly L. Phillips | Director | 80,989 | 0.11% | Jun 10, 2026 |
| Harold Eugene Ford Jr. | Director | 54,773 | 0.08% | Jun 10, 2026 |
| Joseph W. Marshall III | Director | 246,523 | 0.34% | Jun 10, 2026 |
| John M. Keane | Director | 24,116 | 0.03% | Jun 10, 2026 |
| Jaymie A. Durnan | Director | 88,754 | 0.12% | Jun 10, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Harold Eugene Ford Jr. Director | Jun 9, 2026 | Option exercise | +24,116 | – | – | 54,773 |
| Harold Eugene Ford Jr. Director | Jun 9, 2026 | Returned to company | −7,235 | $4.39 | $31.76K | 47,538 |
| Julian Nemirovsky Director | Jun 9, 2026 | Option exercise | +24,116 | – | – | 80,989 |
| Julian Nemirovsky Director | Jun 9, 2026 | Returned to company | −7,235 | $4.39 | $31.76K | 73,754 |
| Gary J. Nabel Director | Jun 9, 2026 | Returned to company | −7,235 | $4.39 | $31.76K | 73,754 |
| Gary J. Nabel Director | Jun 9, 2026 | Option exercise | +24,116 | – | – | 80,989 |
| Jaymie A. Durnan Director | Jun 9, 2026 | Returned to company | −7,235 | $4.39 | $31.76K | 88,754 |
| Jaymie A. Durnan Director | Jun 9, 2026 | Option exercise | +24,116 | – | – | 95,989 |
| Holly L. Phillips Director | Jun 9, 2026 | Option exercise | +24,116 | – | – | 80,989 |
| Holly L. Phillips Director | Jun 9, 2026 | Returned to company | −7,235 | $4.39 | $31.76K | 73,754 |
| John M. Keane Director | Jun 9, 2026 | Option exercise | +24,116 | – | – | 24,116 |
| John M. Keane Director | Jun 9, 2026 | Returned to company | −7,235 | $4.39 | $31.76K | 16,881 |
| Joseph W. Marshall III Director | Jun 9, 2026 | Returned to company | −7,235 | $4.39 | $31.76K | 246,523 |
| Joseph W. Marshall III Director | Jun 9, 2026 | Option exercise | +24,116 | – | – | 253,758 |
| Larry R. Miller General Counsel | Mar 25, 2026 | Tax withholding | −3,526 | $4.99 | $17.59K | 51,912 |
| Larry R. Miller General Counsel | Mar 25, 2026 | Option exercise | +6,920 | – | – | 55,438 |
| Larry R. Miller General Counsel | Mar 13, 2026 | Tax withholding | −11,187 | $5.26 | $58.84K | 48,518 |
| Larry R. Miller General Counsel | Mar 13, 2026 | Option exercise | +21,261 | – | – | 59,705 |
| Dennis E. Hruby EVP & Chief Scientific Officer | Mar 13, 2026 | Option exercise | +11,445 | – | – | 202,492 |
| Dennis E. Hruby EVP & Chief Scientific Officer | Mar 13, 2026 | Tax withholding | −3,955 | $5.26 | $20.80K | 198,537 |
| Diem Nguyen Chief Executive Officer, Director | Mar 13, 2026 | Option exercise | +85,045 | – | – | 185,796 |
| Diem Nguyen Chief Executive Officer, Director | Mar 13, 2026 | Tax withholding | −47,029 | $5.26 | $247.37K | 138,767 |
| Daniel J. Luckshire Executive VP & CFO | Mar 13, 2026 | Tax withholding | −6,074 | $5.26 | $31.95K | 280,493 |
| Daniel J. Luckshire Executive VP & CFO | Mar 13, 2026 | Option exercise | +11,503 | – | – | 286,567 |
| Diem Nguyen Chief Executive Officer, Director | Jan 27, 2026 | Tax withholding | −22,804 | $6.82 | $155.52K | 100,751 |
| Diem Nguyen Chief Executive Officer, Director | Jan 27, 2026 | Option exercise | +55,902 | – | – | 123,555 |
| Daniel J. Luckshire Executive VP & CFO | Jul 1, 2025 | Tax withholding | −12,346 | $6.49 | $80.13K | 275,064 |
| Daniel J. Luckshire Executive VP & CFO | Jul 1, 2025 | Option exercise | +24,193 | – | – | 287,410 |
| Dennis E. Hruby EVP & Chief Scientific Officer | Jul 1, 2025 | Option exercise | +32,258 | – | – | 201,514 |
| Dennis E. Hruby EVP & Chief Scientific Officer | Jul 1, 2025 | Tax withholding | −10,467 | $6.49 | $67.93K | 191,047 |
| Jaymie A. Durnan Director | Jun 10, 2025 | Returned to company | −5,725 | $6.22 | $35.61K | 71,873 |
| Jaymie A. Durnan Director | Jun 10, 2025 | Option exercise | +19,084 | – | – | 77,598 |
| Holly L. Phillips Director | Jun 10, 2025 | Option exercise | +19,084 | – | – | 62,598 |
| Holly L. Phillips Director | Jun 10, 2025 | Returned to company | −5,725 | $6.22 | $35.61K | 56,873 |
| Gary J. Nabel Director | Jun 10, 2025 | Option exercise | +19,084 | – | – | 62,598 |
| Gary J. Nabel Director | Jun 10, 2025 | Returned to company | −5,725 | $6.22 | $35.61K | 56,873 |
| Harold Eugene Ford Jr. Director | Jun 10, 2025 | Returned to company | −5,725 | $6.22 | $35.61K | 30,657 |
| Harold Eugene Ford Jr. Director | Jun 10, 2025 | Option exercise | +19,084 | – | – | 36,382 |
| Joseph W. Marshall III Director | Jun 10, 2025 | Option exercise | +19,084 | – | – | 235,367 |
| Joseph W. Marshall III Director | Jun 10, 2025 | Returned to company | −5,725 | $6.22 | $35.61K | 229,642 |
| Julian Nemirovsky Director | Jun 10, 2025 | Returned to company | −5,725 | $6.22 | $35.61K | 56,873 |
| Julian Nemirovsky Director | Jun 10, 2025 | Option exercise | +19,084 | – | – | 62,598 |
| Larry R. Miller General Counsel | Apr 18, 2025 | Option exercise | +6,920 | – | – | 41,976 |
| Larry R. Miller General Counsel | Apr 18, 2025 | Tax withholding | −3,532 | $5.99 | $21.16K | 38,444 |
| Larry R. Miller General Counsel | Mar 25, 2025 | Tax withholding | −2,764 | $5.89 | $16.28K | 35,056 |
| Larry R. Miller General Counsel | Mar 25, 2025 | Option exercise | +6,920 | – | – | 37,820 |
| Diem Nguyen Chief Executive Officer, Director | Jan 27, 2025 | Option exercise | +55,902 | – | – | 91,297 |
| Diem Nguyen Chief Executive Officer, Director | Jan 27, 2025 | Tax withholding | −23,644 | $6.34 | $149.90K | 67,653 |
| Diem Nguyen Chief Executive Officer, Director | Oct 25, 2024 | Tax withholding | −23,893 | $6.77 | $161.76K | 35,395 |
| Diem Nguyen Chief Executive Officer, Director | Oct 25, 2024 | Option exercise | +59,288 | – | – | 59,288 |
| Daniel J. Luckshire Executive VP & CFO | Jul 1, 2024 | Tax withholding | −12,347 | $7.55 | $93.22K | 263,217 |
| Daniel J. Luckshire Executive VP & CFO | Jul 1, 2024 | Option exercise | +24,194 | – | – | 275,564 |
| Dennis E. Hruby EVP & Chief Scientific Officer | Jul 1, 2024 | Option exercise | +32,258 | – | – | 179,723 |
| Dennis E. Hruby EVP & Chief Scientific Officer | Jul 1, 2024 | Tax withholding | −10,467 | $7.55 | $79.03K | 169,256 |
| Harold Eugene Ford Jr. Director | Jun 11, 2024 | Option exercise | +24,712 | – | – | 24,712 |
| Harold Eugene Ford Jr. Director | Jun 11, 2024 | Returned to company | −7,414 | $7.86 | $58.27K | 17,298 |
| Jaymie A. Durnan Director | Jun 11, 2024 | Returned to company | −7,414 | $7.86 | $58.27K | 58,514 |
| Jaymie A. Durnan Director | Jun 11, 2024 | Option exercise | +24,712 | – | – | 65,928 |
| Jay Varma EVP & Chief Medical Officer, Director | Jun 11, 2024 | Returned to company | −7,414 | $7.86 | $58.27K | 17,298 |
| Jay Varma EVP & Chief Medical Officer, Director | Jun 11, 2024 | Option exercise | +24,712 | – | – | 24,712 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.