Driehaus Capital Management’s Somnigroup International SGI Stock Holding History

Driehaus Capital Management’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
2026 Q2	–	Sell	-134,705	Closed	-$9.96M	–	437
2026 Q1	$9.96M	Sell	134,705 -325,820	-71%	-$28.3M	0.07%	267
2025 Q4	$41.1M	Buy	460,525 +292,161	+174%	+$25.5M	0.28%	119
2025 Q3	$14.2M	Buy	+168,364	New	+$13.3M	0.1%	235
2020 Q2	–	Sell	-269,492	Closed	-$2.94M	–	486
2020 Q1	$2.94M	Buy	269,492 +24,348	+10%	+$463K	0.1%	199
2019 Q4	$5.34M	Buy	245,144 +18,776	+8%	+$393K	0.14%	182
2019 Q3	$4.37M	Buy	226,368 +88,008	+64%	+$1.69M	0.14%	174
2019 Q2	$2.54M	Buy	+138,360	New	+$2.23M	0.08%	218
2015 Q4	–	Sell	-23,864	Closed	-$426K	–	652
2015 Q3	$426K	Buy	+23,864	New	+$438K	0.02%	444

Other funds holding SGI

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Select Equity Group New York $20.2B AUM 17.52% 1-Year Est. Return

WPL

WINDACRE PARTNERSHIP LLC Houston, Texas $10.1B AUM 10.46% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Linonia Partnership New York $5.6B AUM 1.81% 1-Year Est. Return

Browning West Los Angeles, California $1.69B AUM 9.16% 1-Year Est. Return

ACM

Abrams Capital Management Boston, Massachusetts $5.48B AUM 3.63% 1-Year Est. Return

Driehaus Capital Management's SGI Position: Q2 2026 in Review

Driehaus Capital Management sold out of Somnigroup International (SGI) in Q2 2026, closing a stake of 134,705 shares — an estimated $9.96M sold.

Driehaus Capital Management first reported a position in SGI in Q3 2015 and held it in 8 quarters. The position peaked at $41.1M in Q4 2025. 540 funds tracked by Wall St. Rank hold SGI as of Q2 2026.

Driehaus Capital Management reported no remaining Somnigroup International position as of Q2 2026 after selling out during the quarter.
Driehaus Capital Management sold 134,705 Somnigroup International shares in Q2 2026, an estimated $9.96M.
Driehaus Capital Management first reported a position in Somnigroup International in Q3 2015 and held it in 8 quarters.
Driehaus Capital Management's Somnigroup International position peaked at $41.1M in Q4 2025.
540 funds tracked by Wall St. Rank held Somnigroup International as of Q2 2026.

Based on Driehaus Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.