Parallax Volatility Advisers’s Kosmos Energy KOS Stock Holding History

Parallax Volatility Advisers’s Portfolio KOS Stock Details KOS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-500,000	Closed	-$1.71M	–	1860
2024 Q4	$1.71M	Hold	500,000	–	–	﹤0.01%	1171
2024 Q3	$2.02M	Hold	500,000	–	–	﹤0.01%	1128
2024 Q2	$2.77M	Hold	500,000	–	–	0.01%	920
2024 Q1	$2.98M	Hold	500,000	–	–	0.01%	903
2023 Q4	$3.35M	Hold	500,000	–	–	0.01%	981
2023 Q3	$4.09M	Buy	+500,000	New	+$3.54M	0.01%	841
2016 Q1	–	Sell	-200,000	Closed	-$1.04M	–	3175
2015 Q4	$1.04M	Hold	200,000	–	–	﹤0.01%	1262
2015 Q3	$1.12M	Buy	+200,000	New	+$1.39M	﹤0.01%	1252
2015 Q1	–	Sell	-4,000	Closed	-$34K	–	5013
2014 Q4	$34K	Buy	+4,000	New	+$35.7K	﹤0.01%	4189

Other funds holding KOS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $39.1B AUM 28.69% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

EPIM

Equinox Partners Investment Management Stamford, Connecticut $245M AUM 225.58% 1-Year Est. Return

PCM

Patient Capital Management Baltimore, Maryland $2.74B AUM 43.59% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Parallax Volatility Advisers's KOS Position: Q1 2025 in Review

Parallax Volatility Advisers sold out of Kosmos Energy (KOS) in Q1 2025, closing a stake of 350,000 shares — an estimated $1.2M sold.

Parallax Volatility Advisers first reported a position in KOS in Q2 2014 and held it in 17 quarters. The position peaked at $1.2M in Q4 2024. 252 funds tracked by Wall St. Rank hold KOS as of Q1 2025.

Parallax Volatility Advisers reported no remaining Kosmos Energy position as of Q1 2025 after selling out during the quarter.
Parallax Volatility Advisers sold 350,000 Kosmos Energy shares in Q1 2025, an estimated $1.2M.
Parallax Volatility Advisers first reported a position in Kosmos Energy in Q2 2014 and held it in 17 quarters.
Parallax Volatility Advisers's Kosmos Energy position peaked at $1.2M in Q4 2024.
252 funds tracked by Wall St. Rank held Kosmos Energy as of Q1 2025.

Based on Parallax Volatility Advisers's 13F filing for Q1 2025, filed 15 May 2025.