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Trustmark National Bank Trust Department’s Costco COST Stock Holding History

Trustmark National Bank Trust Department’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
Q1 		$5.54M Sell
5,564
-471
-8% -$459K 0.36% 60
2025
Q4 		$5.2M Buy
6,035
+50
+0.8% +$45.3K 0.33% 64
2025
Q3 		$5.54M Buy
5,985
+31
+0.5% +$29.7K 0.36% 61
2025
Q2 		$5.89M Buy
5,954
+253
+4% +$251K 0.41% 58
2025
Q1 		$5.39M Buy
5,701
+622
+12% +$606K 0.4% 57
2024
Q4 		$4.65M Buy
5,079
+250
+5% +$232K 0.35% 65
2024
Q3 		$4.28M Buy
4,829
+843
+21% +$732K 0.32% 72
2024
Q2 		$3.39M Buy
3,986
+172
+5% +$134K 0.27% 81
2024
Q1 		$2.79M Buy
3,814
+363
+11% +$259K 0.23% 86
2023
Q4 		$2.28M Buy
3,451
+495
+17% +$293K 0.21% 93
2023
Q3 		$1.67M Buy
2,956
+1,300
+79% +$718K 0.16% 105
2023
Q2 		$892K Sell
1,656
-2
-0.1% -$1.01K 0.08% 149
2023
Q1 		$824K Buy
1,658
+689
+71% +$338K 0.08% 160
2022
Q4 		$442K Sell
969
-6
-0.6% -$2.93K 0.04% 198
2022
Q3 		$460K Sell
975
-206
-17% -$107K 0.04% 185
2022
Q2 		$566K Buy
1,181
+63
+6% +$32K 0.05% 173
2022
Q1 		$644K Buy
+1,118
New +$587K 0.05% 173
2021
Q1 		– Sell
-565
Closed -$213K – 253
2020
Q4 		$213K Sell
565
-39
-6% -$14.6K 0.02% 237
2020
Q3 		$214K Buy
+604
New +$203K 0.02% 228
2019
Q3 		– Sell
-318
Closed -$84K – 301
2019
Q2 		$84K Hold
318
– – 0.01% 289
2019
Q1 		$77K Hold
318
– – 0.01% 292
2018
Q4 		$65K Hold
318
– – 0.01% 299
2018
Q3 		$75K Buy
+318
New +$71.6K 0.01% 310
2016
Q2 		– Sell
-1,957
Closed -$308K – 300
2016
Q1 		$308K Sell
1,957
-500
-20% -$75.8K 0.04% 236
2015
Q4 		$397K Buy
2,457
+260
+12% +$41.1K 0.05% 218
2015
Q3 		$317K Hold
2,197
– – 0.04% 250
2015
Q2 		$297K Hold
2,197
– – 0.04% 274
2015
Q1 		$333K Buy
+2,197
New +$322K 0.04% 267

Other funds holding COST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
DAM
Diamant Asset Management Ridgefield, Connecticut $147M AUM 25.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Trustmark National Bank Trust Department's COST Position: Q1 2026 in Review

Trustmark National Bank Trust Department reduced its Costco (COST) stake by 7.8% in Q1 2026, selling an estimated $459K and leaving 5,564 shares worth $5.54M. The position accounts for 0.36% of the portfolio, ranked #60.

Trustmark National Bank Trust Department first reported a position in COST in Q1 2015 and has held it in 28 quarters since. The position peaked at $5.89M in Q2 2025. 4,247 funds tracked by Wall St. Rank hold COST as of Q1 2026.

  • Trustmark National Bank Trust Department held 5,564 shares of Costco worth $5.54M as of Q1 2026.
  • Trustmark National Bank Trust Department sold 471 Costco shares in Q1 2026, an estimated $459K.
  • Costco made up 0.36% of Trustmark National Bank Trust Department's portfolio in Q1 2026, its #60 holding.
  • Trustmark National Bank Trust Department first reported a position in Costco in Q1 2015 and has held it in 28 quarters since.
  • Trustmark National Bank Trust Department's Costco position peaked at $5.89M in Q2 2025.
  • 4,247 funds tracked by Wall St. Rank held Costco as of Q1 2026.

Based on Trustmark National Bank Trust Department's 13F filing for Q1 2026, filed 14 May 2026.