Bienville Capital Management, LLC

Hedge Fund • Multi-Strategy

Bienville Capital Management, LLC is a Multi-Strategy Hedge Fund based in New York, NY led by William Herbert Stimpson, reporting $3.8B in AUM as of Q3 2025 with 40% Technology concentration, 52% concentrated in top 10 holdings, and 40% technology allocation.

CEOWilliam Herbert Stimpson

Portfolio Value: $524.8M
Positions: 74
Top Holding: ACIO at 7.89%
Last Reported: Q3 2025

Address521 Fifth Avenue, 35th Floor, New York, NY, 10175, United States

Top Holdings

Largest long holdings in Bienville Capital Management, LLC's portfolio (52.1% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 Aptus Collared Investment Opportunity ACIO	ETF ETF	$41.4M	7.89%	-$2.1M Sold	— 953.7K shares	Q4 2021 Held for 3y 11m
2 monday.com MNDY	Software - Application Technology	$39.5M	7.53%	+$28.5M Bought	0.40% 204.0K shares	Q3 2023 Held for 2y 2m
3 GitLab GTLB	Software - Application Technology	$37.5M	7.15%	+$1.7M Bought	0.50% 832.1K shares	Q1 2025 Held for 8 months
4 Confluent CFLT	Software - Infrastructure Technology	$29.4M	5.61%	+$4.3M Bought	0.43% 1.5M shares	Q3 2024 Held for 1y 2m
5 Mercado Libre MELI	Specialty Retail Consumer Cyclical	$24.4M	4.65%	+$7.0M Bought	0.02% 10.4K shares	Q4 2023 Held for 1y 11m
6 Coupang CPNG	Specialty Retail Consumer Cyclical	$21.4M	4.09%	-$2.2M Sold	0.04% 665.8K shares	Q4 2023 Held for 1y 11m
7 SPDR S&P 500 ETF Trust SPY	ETF ETF	$21.4M	4.07%	+$171.0K Bought	— 32.0K shares	Q3 2017 Held for 8y 2m
8 DraftKings Inc. DKNG	Gambling, Resorts & Casinos Consumer Cyclical	$20.9M	3.98%	-$4.2M Sold	0.11% 558.8K shares	Q3 2023 Held for 2y 2m
9 Sea Limited SE	Unknown Unknown	$19.3M	3.68%	+$19.3M Bought	— 107.9K shares	Q3 2025 Held for 2 months
10 KSPI Kaspi.kz KSPI	Unknown Unknown	$18.2M	3.47%	-$1.9M Sold	— 223.0K shares	Q4 2024 Held for 11 months

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Bienville Capital Management, LLC's latest filing

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Market Value

$524.8M

Prior: $507.3M

Q/Q Change

+3.44%

+$17.4M

Net Flows % of MV

-7.23%

Turnover Ratio

23.28%

New Purchases

7 stocks

$36.7M

Added To

20 stocks

+$48.3M

Sold Out Of

5 stocks

$46.2M

Reduced Holdings

17 stocks

-$76.8M

Increased Positions

Position	Shares Δ	Change
1 Samsara IOT	New	0 → 394.2K +$14.7M
2 Everest Consolidator Acquisition MNTN	New	0 → 615.1K +$11.4M
3 Omada Health, Inc. Common Stock OMDA	New	0 → 277.6K +$6.1M
4 Grindr GRND	New	0 → 250.9K +$3.8M
5 Financial Select Sector SPDR Fund XLF	New	0 → 4.5K +$244.4K

Decreased Positions

Position	Shares Δ	Change
1 Oscar Health OSCR	Sold	989.0K → 0 −$21.2M
2 Flutter Entertainment FLUT	Sold	56.0K → 0 −$16.0M
3 Chime Financial, Inc. Class A Common Stock CHYM	Sold	136.8K → 0 −$4.7M
4 Affirm Holdings, Inc. AFRM	Sold	54.7K → 0 −$3.8M
5 DBC Invesco DB Commodity Index Tracking Fund DBC	Sold	21.9K → 0 −$477.9K

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Analytics

Portfolio insights and performance metrics for Bienville Capital Management, LLC

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Sector Allocation

Technology

40.20%

ETF

24.20%

Consumer Cyclical

17.50%

Financial Services

4.70%

Communication Services

2.50%

Energy

1.20%

Healthcare

0.30%

Industrials

0.30%

Utilities

0.10%

Consumer Defensive

0.10%

Market Cap Distribution

Mega Cap (> $200B)

10.35%

Large Cap ($10B - $200B)

25.16%

Mid Cap ($2B - $10B)

25.34%

Small Cap ($300M - $2B)

5.61%

Nano Cap (< $50M)

1.49%

N/A (ETF or Unknown)

32.04%

Portfolio Concentration

Top 10 Holdings %

52.11%

Top 20 Holdings %

75.02%

Top 50 Holdings %

98.26%

Top 100 Holdings %

100.0%