13F Insight
DOSSIER · 13F-HR · Q4 2025

GeoSphere Capital Management, LLC

GeoSphere's asset manager based in Stamford, CT — $304M in tracked AUM across 40 positions as of Q4 2025.

G
GeoSphere·Stamford, CT·Asset Manager
CIK 0001426876 · last filed Dec 31, 2025
Total AUM
$304M
▼ 16.1%
vs prior
Holdings
40
—
positions
Whale Score
58
58
tracked
Activity
—
no data
changes this Q
Top sector
Tech
26% weight
concentration
AI Analysis · Q4 2025 · Q4 2025
Portfolio Overview

GeoSphere Capital Management’s 13F filing for the period ending September 30, 2025, reveals a focused, actively managed portfolio with a distinct thematic tilt. The total portfolio value decreased by 14.3%, declining from $116.76 million to $100.07 million. This reduction in value is attributable not only to potential market volatility but also to significant capital reallocation, evidenced by the liquidation of approximately $18.14 million in the SPDR S&P 500 ETF Trust (S...

Quarter at a glance — Q4 2025

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q4 2025.

#HoldingValueSharesWeight
01
SPY
SPDR S&P 500 ETF TR
$98M144K32.3%
02
GDXJ
VANECK ETF TRUST
$27M240K9.0%
03
G6375R107
NATIONAL ENERGY SERVICES REU
$22M1.4M7.3%
04
MSTR
STRATEGY INC
$16M104K5.2%
05
BKV
BKV CORP
$15M555K5.0%
06
LEU
CENTRUS ENERGY CORP
$8M32K2.6%
07
CNR
CORE NATURAL RESOURCES INC
$8M85K2.5%
08
NEM
NEWMONT CORP
$7M75K2.4%
09
CCJ
CAMECO CORP
$7M73K2.2%
10
SEI
SOLARIS ENERGY INFRAS INC
$6M129K2.0%

Filing history

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