Parallax Volatility Advisers
SGI

Parallax Volatility Advisers’s Somnigroup International SGI Stock Holding History

Parallax Volatility Advisers’s Portfolio SGI Stock Details SGI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2024
Q4 		– Sell
-15,400
Closed -$841K – 2366
2024
Q3 		$841K Hold
15,400
– – ﹤0.01% 1397
2024
Q2 		$729K Buy
+15,400
New +$780K ﹤0.01% 1349
2024
Q1 		– Sell
-25,000
Closed -$1.27M – 2464
2023
Q4 		$1.27M Hold
25,000
– – ﹤0.01% 1321
2023
Q3 		$1.08M Sell
25,000
-100,000
-80% -$4.43M ﹤0.01% 1332
2023
Q2 		$5.01M Buy
125,000
+100,000
+400% +$3.76M 0.01% 773
2023
Q1 		$987K Sell
25,000
-497,500
-95% -$19.8M ﹤0.01% 1509
2022
Q4 		$17.9M Hold
522,500
– – 0.03% 553
2022
Q3 		$12.6M Hold
522,500
– – 0.02% 684
2022
Q2 		$11.2M Sell
522,500
-99,000
-16% -$2.55M 0.01% 687
2022
Q1 		$17.4M Sell
621,500
-768,500
-55% -$28.3M 0.01% 566
2021
Q4 		$65.4M Hold
1,390,000
– – 0.08% 188
2021
Q3 		$64.5M Buy
1,390,000
+1,309,000
+1,616% +$57.2M 0.06% 208
2021
Q2 		$3.17M Buy
+81,000
New +$3.1M ﹤0.01% 780
2021
Q1 		– Sell
-471,000
Closed -$12.7M – 2204
2020
Q4 		$12.7M Sell
471,000
-404,600
-46% -$9.87M 0.01% 654
2020
Q3 		$19.5M Buy
875,600
+317,600
+57% +$6.57M 0.01% 730
2020
Q2 		$10M Buy
558,000
+89,200
+19% +$1.28M 0.01% 784
2020
Q1 		$5.12M Buy
468,800
+209,600
+81% +$3.98M 0.01% 858
2019
Q4 		$5.64M Buy
259,200
+83,600
+48% +$1.75M 0.01% 857
2019
Q3 		$3.39M Buy
+175,600
New +$3.37M ﹤0.01% 950
2018
Q4 		– Sell
-336,000
Closed -$4.44M – 4138
2018
Q3 		$4.44M Buy
336,000
+168,000
+100% +$2.24M 0.01% 752
2018
Q2 		$2.02M Buy
+168,000
New +$1.98M ﹤0.01% 900
2016
Q4 		– Sell
-26,400
Closed -$373K – 4365
2016
Q3 		$373K Buy
+26,400
New +$471K ﹤0.01% 1601
2016
Q2 		– Sell
-800
Closed -$12K – 3733
2016
Q1 		$12K Buy
+800
New +$11.8K ﹤0.01% 2327
2015
Q4 		– Sell
-20,800
Closed -$372K – 4091
2015
Q3 		$372K Buy
+20,800
New +$382K ﹤0.01% 1633
2015
Q2 		– Sell
-2,000
Closed -$29K – 5142
2015
Q1 		$29K Sell
2,000
-48,400
-96% -$670K ﹤0.01% 3374
2014
Q4 		$692K Sell
50,400
-5,200
-9% -$71K ﹤0.01% 1783
2014
Q3 		$781K Buy
55,600
+18,000
+48% +$264K ﹤0.01% 1586
2014
Q2 		$561K Buy
37,600
+8,800
+31% +$118K ﹤0.01% 1330
2014
Q1 		$364K Sell
28,800
-201,200
-87% -$2.5M ﹤0.01% 1154
2013
Q4 		$3.1M Buy
230,000
+189,600
+469% +$2.18M 0.02% 551
2013
Q3 		$443K Buy
40,400
+30,400
+304% +$316K ﹤0.01% 858
2013
Q2 		$111K Buy
+10,000
New +$114K ﹤0.01% 1247

Other funds holding SGI

Select Equity Group
Select Equity Group New York $19.5B AUM 17.33% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BW
Browning West Los Angeles, California $1.62B AUM 22.28% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
DCP
Darsana Capital Partners New York $4.7B AUM 50.56% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
LP
Linonia Partnership New York $5.38B AUM 20.54% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
LCOV
London Company of Virginia Richmond, Virginia $16.2B AUM 17.5% 1-Year Est. Return

Parallax Volatility Advisers's SGI Position: Q4 2024 in Review

Parallax Volatility Advisers sold out of Somnigroup International (SGI) in Q4 2024, closing a stake of 2,958 shares — an estimated $162K sold.

Parallax Volatility Advisers first reported a position in SGI in Q2 2013 and held it in 32 quarters. The position peaked at $25M in Q4 2021. 399 funds tracked by Wall St. Rank hold SGI as of Q4 2024.

  • Parallax Volatility Advisers reported no remaining Somnigroup International position as of Q4 2024 after selling out during the quarter.
  • Parallax Volatility Advisers sold 2,958 Somnigroup International shares in Q4 2024, an estimated $162K.
  • Parallax Volatility Advisers first reported a position in Somnigroup International in Q2 2013 and held it in 32 quarters.
  • Parallax Volatility Advisers's Somnigroup International position peaked at $25M in Q4 2021.
  • 399 funds tracked by Wall St. Rank held Somnigroup International as of Q4 2024.

Based on Parallax Volatility Advisers's 13F filing for Q4 2024, filed 14 Feb 2025.