§ PHARMACEUTICALS
USD · PharmaceuticalsSIGA
SIGA TECHNOLOGIES INC
USDSector · PharmaceuticalsBeta · 0.91
§ 01 · PRICE
Price action
1D5D1M6MYTD1YMAX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
13F FLOW
102 increased/new, 48 decreased/exited (13F)
AC 13F Analysis
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 12.2 | P/B | 2.20 |
| EPS (TTM) | 0.28 |
§ 05 · WHO OWNS IT
Top institutional holders
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 3.5M | 0.0% | −3% |
| Dimensional Fund Advisors | 2.7M | 0.0% | +7% |
| AltraVue Capital, LLC | 2.4M | 1.1% | +1% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.7M | n/a | n/a |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.5M | 0.0% | +49% |
| AMERICAN CENTURY COMPANIES INC | 1.3M | 0.0% | +13% |
◇ AC INTELLIGENCE
Top institutional owners for SIGA as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
OTHER85.2% · 0 holders
OTHER7.2% · 127 holders
PASSIVE / INDEX2.2% · 9 holders
QUALITY / COMPOUNDER2.2% · 12 holders
DEALER / BANK1.3% · 17 holders
SYSTEMATIC / QUANT0.9% · 6 holders
TACTICAL / MACRO0.5% · 2 holders
INCOME / DEFENSIVE0.4% · 8 holders
ACTIVIST0.2% · 1 holder
◇ AC INTELLIGENCE
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
NO INSIDER FILINGS
◇ AC INTELLIGENCE
No Form 4 filings on record for SIGA in the last 180 days.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention SIGA yet.