Parallax Volatility Advisers
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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
-350,000
Closed -$1.2M – 1859
2024
Q4 		$1.2M Buy
350,000
+225,000
+180% +$856K ﹤0.01% 1284
2024
Q3 		$504K Buy
125,000
+50,000
+67% +$244K ﹤0.01% 1523
2024
Q2 		$416K Buy
75,000
+74,872
+58,494% +$437K ﹤0.01% 1472
2024
Q1 		$763 Sell
128
-74,872
-100% -$450K ﹤0.01% 1736
2023
Q4 		$503K Sell
75,000
-156
-0.2% -$1.09K ﹤0.01% 1599
2023
Q3 		$615K Buy
+75,156
New +$533K ﹤0.01% 1530
2023
Q1 		– Sell
-825
Closed -$5.25K – 2968
2022
Q4 		$5.25K Hold
825
– – ﹤0.01% 2627
2022
Q3 		$4K Buy
+825
New +$5K ﹤0.01% 2921
2018
Q4 		– Sell
-174
Closed -$2K – 3488
2018
Q3 		$2K Buy
+174
New +$1.47K ﹤0.01% 2426
2018
Q2 		– Sell
-5,424
Closed -$34K – 2791
2018
Q1 		$34K Buy
+5,424
New +$34K ﹤0.01% 1634
2017
Q3 		– Sell
-17,234
Closed -$110K – 2760
2017
Q2 		$110K Buy
+17,234
New +$109K ﹤0.01% 1614
2016
Q1 		– Sell
-1,458
Closed -$8K – 3174
2015
Q4 		$8K Sell
1,458
-52,636
-97% -$349K ﹤0.01% 2706
2015
Q3 		$302K Buy
+54,094
New +$375K ﹤0.01% 1689
2015
Q2 		– Sell
-52,245
Closed -$413K – 4361
2015
Q1 		$413K Buy
52,245
+48,807
+1,420% +$409K ﹤0.01% 1655
2014
Q4 		$29K Buy
3,438
+1,946
+130% +$17.4K ﹤0.01% 4271
2014
Q3 		$15K Buy
1,492
+426
+40% +$4.27K ﹤0.01% 3796
2014
Q2 		$12K Buy
+1,066
New +$11.4K ﹤0.01% 3688

Other funds holding KOS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Grantham, Mayo, Van Otterloo & Co (GMO)
Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $39.1B AUM 28.69% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return
State Street
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
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Dimensional Fund Advisors
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.