---
title: "CSS LLC/IL — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f5aea57e-ad42-5a8e-b22c-d70b1d41f0ba
json: https://whiteintel.dev/api/public/dossier/f5aea57e-ad42-5a8e-b22c-d70b1d41f0ba
identifier: sec:0001103646
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CSS LLC/IL

**Type:** Company  
**Jurisdiction:** [US](https://whiteintel.dev/jurisdictions/us)  
**Identifier:** `sec:0001103646`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f5aea57e-ad42-5a8e-b22c-d70b1d41f0ba  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f5aea57e-ad42-5a8e-b22c-d70b1d41f0ba  

## Ownership & control

### Holdings / subsidiaries

- **SWISS HELVETIA FUND, INC.** (tenpercentowner) — https://whiteintel.dev/entity/d3b11b79-487f-5148-a7cc-f17ebd7c98cb
- **Fresh Vine Wine, Inc.** (tenpercentowner) — https://whiteintel.dev/entity/4a72bb11-ebd6-5665-9bd7-0fd675507f91
- **COHEN & STEERS MLP & ENERGY INCOME FUND** (tenpercentowner) — https://whiteintel.dev/entity/7ee47fc0-90c0-589b-9fa2-375ce398c8f2
- **DUFF & PHELPS ENERGY MLP TOTAL RETURN FUND INC.** (tenpercentowner) — https://whiteintel.dev/entity/d3693e5c-a8d8-5166-aa22-2800cfbbb6b7
- **BOSTON BIOMEDICA INC** (other) — https://whiteintel.dev/entity/e1ff9634-348f-52fc-8b91-b89b725419a0

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **CSS LLC/IL** — https://whiteintel.dev/entity/f5aea57e-ad42-5a8e-b22c-d70b1d41f0ba · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CSS LLC/IL**. Human view: https://whiteintel.dev/entity/f5aea57e-ad42-5a8e-b22c-d70b1d41f0ba · Structured JSON: https://whiteintel.dev/api/public/dossier/f5aea57e-ad42-5a8e-b22c-d70b1d41f0ba._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._