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Cornerstone Investment Partners’s Sonos SONO Stock Holding History

Cornerstone Investment Partners’s Portfolio SONO Stock Details SONO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-15,940
Closed -$214K – 365
2026
Q1 		$214K Buy
15,940
+3,655
+30% +$55.2K 0.01% 256
2025
Q4 		$216K Buy
12,285
+7
+0.1% +$122 0.01% 157
2025
Q3 		$194K Buy
+12,278
New +$158K 0.01% 166
2021
Q4 		– Sell
-6,620
Closed -$214K – 311
2021
Q3 		$214K Sell
6,620
-1,500
-18% -$54K 0.01% 172
2021
Q2 		$286K Hold
8,120
– – 0.01% 142
2021
Q1 		$304K Buy
+8,120
New +$274K 0.02% 118
2020
Q2 		– Sell
-15,420
Closed -$131K – 197
2020
Q1 		$131K Buy
+15,420
New +$190K 0.01% 139

Other funds holding SONO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
CCM
Coliseum Capital Management Rowayton, Connecticut $1.16B AUM 23.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return
TI
Trigran Investments Northbrook, Illinois $545M AUM 56.2% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Cornerstone Investment Partners's SONO Position: Q2 2026 in Review

Cornerstone Investment Partners sold out of Sonos (SONO) in Q2 2026, closing a stake of 15,940 shares — an estimated $214K sold.

Cornerstone Investment Partners first reported a position in SONO in Q1 2020 and held it in 7 quarters. The position peaked at $304K in Q1 2021. 307 funds tracked by Wall St. Rank hold SONO as of Q2 2026.

  • Cornerstone Investment Partners reported no remaining Sonos position as of Q2 2026 after selling out during the quarter.
  • Cornerstone Investment Partners sold 15,940 Sonos shares in Q2 2026, an estimated $214K.
  • Cornerstone Investment Partners first reported a position in Sonos in Q1 2020 and held it in 7 quarters.
  • Cornerstone Investment Partners's Sonos position peaked at $304K in Q1 2021.
  • 307 funds tracked by Wall St. Rank held Sonos as of Q2 2026.

Based on Cornerstone Investment Partners's 13F filing for Q2 2026, filed 7 Aug 2026.