# Two Sigma Spectrum Cayman Fund, Ltd. — Form D/A

Two Sigma Spectrum Cayman Fund, Ltd. of GRAND CAYMAN, E9, a pooled investment fund, filed a Form D amendment with the SEC on 2023-03-15. $2.2B was reported sold. Industry: Pooled Investment Fund.

## Offering

- Filed: 2023-03-15
- Form: D/A
- Accession: 0000919574-23-002161
- Industry: Pooled Investment Fund
- Exemptions: 06b, 3C, 3C.7
- Amount sold: $2.2B
- Minimum investment: $1.0M
- Investors: 91
- Date of first sale: 2004-04-01
- Security types: equity, fund interests
- SEC file number: 021-213618

## Issuer

- Name: Two Sigma Spectrum Cayman Fund, Ltd.
- CIK: 0001334109
- Entity type: Other
- Jurisdiction: CAYMAN ISLANDS
- Address: CITCO FUND ADMINISTRATION (CAYMAN) LTD, GRAND CAYMAN, E9, KY1-1205
- Phone: 212-625-5700

## Officers, directors & promoters (16)

| Name | Role | Location |
| --- | --- | --- |
| Ian Pilgrim | Director | Paget, D0 |
| Ian Pilgrim | Related Person | Paget, D0 |
| Warren Keens | Director | Grand Cayman, E9 |
| Warren Keens | Related Person | Grand Cayman, E9 |
| James Keyes | Director | Hamilton, D0 |
| James Keyes | Related Person | Hamilton, D0 |
| Scott Lennon | Director | Grand Cayman, E9 |
| Michelle Wilson-Clarke | Director | Grand Cayman, E9 |
| James -- Keyes | Director | George Town, Grand Cayman, E9 |
| Warren -- Keens | Director | George Town, Grand Cayman, E9 |
| Ian -- Pilgrim | Director | George Town, Grand Cayman, E9 |
| -- -- Two Sigma Investments, LP | Executive Officer | New York, NY |
| -- -- Two Sigma Investments, LLC | Executive Officer | New York, NY |
| Matthew B Siano, Esq. | Executive Officer | New York, NY |
| Warren B Keens | Director | Grand Cayman, E9 |
| Michelle B Wilson-Clarke | Director | Grand Cayman, E9 |

## Other filings by this issuer (17)

_Showing 15 of 17 filings._

| Filed | Form | Offering | Sold |
| --- | --- | --- | --- |
| [2026-01-28](https://search.stillhousedata.com/formd/0001334109-26-000001) | D/A | — | $3.0B |
| [2025-03-14](https://search.stillhousedata.com/formd/0000919574-25-001973) | D/A | — | $2.5B |
| [2024-03-15](https://search.stillhousedata.com/formd/0000919574-24-002079) | D/A | — | $2.4B |
| [2022-03-15](https://search.stillhousedata.com/formd/0000919574-22-002285) | D/A | — | $2.1B |
| [2021-03-15](https://search.stillhousedata.com/formd/0000919574-21-002447) | D/A | — | $1.8B |
| [2020-03-13](https://search.stillhousedata.com/formd/0000919574-20-002416) | D/A | — | $1.7B |
| [2019-03-13](https://search.stillhousedata.com/formd/0000919574-19-002387) | D/A | — | $1.7B |
| [2018-03-13](https://search.stillhousedata.com/formd/0000919574-18-002416) | D/A | — | $1.5B |
| [2017-03-13](https://search.stillhousedata.com/formd/0000919574-17-002705) | D/A | — | $1.0B |
| [2016-03-11](https://search.stillhousedata.com/formd/0000919574-16-011818) | D/A | — | $1.0B |
| [2015-03-11](https://search.stillhousedata.com/formd/0000919574-15-002808) | D/A | — | $546.0M |
| [2014-03-14](https://search.stillhousedata.com/formd/0000919574-14-002276) | D | — | $525.2M |
| [2013-03-15](https://search.stillhousedata.com/formd/0000919574-13-002350) | D/A | — | $3.7B |
| [2012-03-15](https://search.stillhousedata.com/formd/0000919574-12-002271) | D/A | — | $3.7B |
| [2011-03-15](https://search.stillhousedata.com/formd/0000919574-11-002234) | D/A | — | $3.3B |

## More

- [CIK 1334109 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1334109&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/formd/0000919574-23-002161.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
