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Illumine Investment Management’s Costco COST Stock Holding History

Illumine Investment Management’s Portfolio COST Stock Details COST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-4,279
Closed -$4.26M – 8
2026
Q1 		$4.26M Sell
4,279
-25
-0.6% -$24.4K 3.28% 3
2025
Q4 		$3.71M Sell
4,304
-5
-0.1% -$4.53K 2.71% 10
2025
Q3 		$3.99M Sell
4,309
-11
-0.3% -$10.5K 2.84% 6
2025
Q2 		$4.28M Buy
4,320
+38
+0.9% +$37.8K 3.4% 2
2025
Q1 		$4.05M Sell
4,282
-56
-1% -$54.6K 3.32% 3
2024
Q4 		$3.97M Buy
+4,338
New +$4.03M 3.27% 2

Other funds holding COST

Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.57% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
Parnassus Investments
Parnassus Investments San Francisco, California $37.4B AUM 35.42% 1-Year Est. Return
EA
Emerald Advisors Bellevue, Washington $796M AUM 2.51% 1-Year Est. Return
PTC
Provident Trust Company Waukesha, Wisconsin $4.77B AUM 29.31% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return
TWC
TD Waterhouse Canada Toronto, Ontario, Canada $38B AUM 39.14% 1-Year Est. Return
KeyBank National Association
KeyBank National Association Cleveland, Ohio $30.4B AUM 27.51% 1-Year Est. Return

Illumine Investment Management's COST Position: Q2 2026 in Review

Illumine Investment Management sold out of Costco (COST) in Q2 2026, closing a stake of 4,279 shares — an estimated $4.26M sold.

Illumine Investment Management first reported a position in COST in Q4 2024 and held it in 6 quarters. The position peaked at $4.28M in Q2 2025. 1,791 funds tracked by Wall St. Rank hold COST as of Q2 2026.

  • Illumine Investment Management reported no remaining Costco position as of Q2 2026 after selling out during the quarter.
  • Illumine Investment Management sold 4,279 Costco shares in Q2 2026, an estimated $4.26M.
  • Illumine Investment Management first reported a position in Costco in Q4 2024 and held it in 6 quarters.
  • Illumine Investment Management's Costco position peaked at $4.28M in Q2 2025.
  • 1,791 funds tracked by Wall St. Rank held Costco as of Q2 2026.

Based on Illumine Investment Management's 13F filing for Q2 2026, filed 29 Jul 2026.