Game Creek Capital provides portfolio management for individuals and small businesses, portfolio management for pooled vehicles, and portfolio management for institutions. The firm advises 2 private funds.
Game Creek Capital reports 14 clients. They include 12 high-net-worth individuals and 2 pooled investment vehicles. Of its assets, 100.0% ($329M across 14 accounts) are managed with discretion.
| Client type | Clients | Assets |
|---|---|---|
| High-net-worth individuals | 86% | 24% |
| Pooled investment vehicles | 14% | 76% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| High-net-worth individuals | 12 | $80.2M | 24.4% | $6.69M |
| Pooled investment vehicles | 2 | $249M | 75.6% | $124M |
| Total | 14 | $329M | 100% | $23.5M |
- Clients
- 12
- Regulatory AUM
- $80.2M
- AUM share
- 24.4%
- Avg. per client
- $6.69M
- Clients
- 2
- Regulatory AUM
- $249M
- AUM share
- 75.6%
- Avg. per client
- $124M
Total
- Clients
- 14
- Regulatory AUM
- $329M
- AUM share
- 100%
- Avg. per client
- $23.5M
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 2
Game Creek Capital is paid through a percentage of assets under management and performance-based fees; its fees and minimums are set out in its brochures on the SEC website.
Sean Murphy owns 75% or more of Game Creek Capital. Sean Murphy is CEO; the leadership team includes Chief Operating Officer Dennis Leddy. It has 10 employees, 7 of them in advisory roles.
Leadership
- Sean MurphyManaging Partner, Chief Executive Officer and President
- Dennis LeddyChief Compliance Officer and Chief Operating Officer
- Richard MayoPartner
Staff
- 10 employees
- 7 in advisory functions
- Owns 75% or more of Game Creek Capital, LP
Sean Murphy
Control person · since August 2008
- Owns 10% to 25% of Game Creek Capital, LP
Richard Mayo
since August 2008
Game Creek Capital’s regulatory assets grew 1.6× from $206M (March 2021) to $329M (April 2026); clients fell from 16 to 14 and employees were 10 in both filings.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| April 2026 | $329M | 14 | 10 | 1 |
| March 2025 | $241M | 14 | 10 | 1 |
| March 2024 | $231M | 15 | 10 | 1 |
| March 2023 | $235M | 15 | 10 | 1 |
| March 2022 | $244M | 15 | 10 | 1 |
| March 2021 | $206M | 16 | 10 | 1 |
Besides its headquarters, Game Creek Capital has 0 offices, with 1 listed address in Massachusetts.
Massachusetts · 1 listed address
- 30 Rowes Wharf, Suite 540, BostonHQ
Contact and registration details
- Legal name
- Game Creek Capital, LP
- Headquarters
- 30 Rowes Wharf, Suite 540, Boston, MA 02110
- Website
- Not reported
- Phone
- 617-849-6589
- @game-creek-capital
- SEC file
- 801-74747
- Structure
- Delaware limited partnership
- Fiscal year end
- December
Game Creek Capital uses Fiduciary Trust ($58.2M, 73%), U.S. Trust, Bank of America Private Wealth Management ($12.7M, 16%) and Fifth Third Securities ($5.76M, 7%), among others, as custodians for its separately managed accounts. Game Creek Capital has custody of client assets.
- Fifth Third SecuritiesFifth Third Securities, Inc. · Cincinatti, OH · $5.76M7%
- U.S. Trust, Bank of America Private Wealth ManagementU.S. Trust, Bank of America Private Wealth Management · West Hartford, CT · $12.7M16%
- JPMJPM · New York, NY · $3.58M4%
- Fiduciary TrustFiduciary Trust · Boston, MA · $58.2M73%
At year end, Game Creek Capital’s separately managed accounts were mostly in stocks (91%). Its reported 13F holdings for the quarter ended 30 June 2026 total $283M across 77 positions; the largest are Micron Technology Inc. (8.2%), Alphabet Inc. (5.4%) and State Str SPDR S&P 500 ETF T (put option) (5.3%).
What the accounts hold
- Stocks91%
- Bonds8%
- U.S. government and agency bonds4%
- Investment grade corporate bonds4%
- Cash1%
Reported 13F holdings
- $283M
- Reported 13F value
- 77
- Positions
- 40.8%
- In the 10 largest
- −5.8%
- Value vs. prior quarter
- Micron Technology Inc.8.2%
- Alphabet Inc. · Cap Stk CL A5.4%
- State Str SPDR S&P 500 ETF T · TR UnitPut5.3%
- Amazon Com Inc.3.9%
- Advanced Micro Devices Inc.3.3%
- Generac Hldgs Inc.3.0%
- Vertiv Holdings CO · Com CL A3.0%
- Uber Technologies Inc.2.9%
- Chevron Corporation2.9%
- Medtronic PLC2.8%
Together, the ten largest are 40.8% of reported value.
How many clients does Game Creek Capital have?
Game Creek Capital has 14 clients and manages $329 million for them, as of April 2026. They include 12 high-net-worth individuals and 2 pooled investment vehicles.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 1 April 2026
What services does Game Creek Capital offer?
Game Creek Capital provides portfolio management for individuals and small businesses, portfolio management for pooled vehicles, and portfolio management for institutions.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
Which custodians does Game Creek Capital use?
Game Creek Capital’s separately managed account assets are held at Fiduciary Trust (Boston, MA), with $58.2M, U.S. Trust, Bank of America Private Wealth Management (West Hartford, CT), with $12.7M, Fifth Third Securities, Inc. (Cincinatti, OH), with $5.76M and JPM (New York, NY), with $3.58M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 1 April 2026
How many financial advisors does Game Creek Capital have?
Game Creek Capital has 0 investment adviser representatives registered with state securities authorities, out of 10 employees, and 7 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
What does Game Creek Capital invest in?
At the end of its last fiscal year, Game Creek Capital’s separately managed accounts held 91% exchange-traded equities, 4% U.S. government and agency bonds, 4% investment grade corporate bonds and 1% cash and equivalents. It advises 2 private funds.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Game Creek Capital?
Game Creek Capital’s direct owners are Sean Murphy (75% or more) and Richard Mayo (10% to 25%).
Source: Form ADV Part 1A, Schedules A and B, filed 1 April 2026
How does Game Creek Capital get paid?
Game Creek Capital is paid through a percentage of assets under management and performance-based fees. Its Form ADV lists no commissions among how it is paid.
Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file
How do I contact Game Creek Capital?
Game Creek Capital’s main office is at 30 Rowes Wharf, Suite 540, Boston, MA 02110. Its phone number is 617-849-6589.