Nan Shan Life Insurance’s Costco COST Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $131M | Buy |
131,842
+31,336
| +31% | +$30.5M | 4.76% | 2 |
|
|
2025
Q4 | $86.7M | Hold |
100,506
| – | – | 2.67% | 9 |
|
|
2025
Q3 | $93M | Buy |
100,506
+4,071
| +4% | +$3.9M | 1.98% | 15 |
|
|
2025
Q2 | $95.5M | Buy |
96,435
+22,067
| +30% | +$21.9M | 2.12% | 12 |
|
|
2025
Q1 | $70.3M | Sell |
74,368
-44,038
| -37% | -$42.9M | 1.66% | 14 |
|
|
2024
Q4 | $108M | Buy |
118,406
+56,508
| +91% | +$52.4M | 2.61% | 6 |
|
|
2024
Q3 | $54.9M | Buy |
61,898
+4,848
| +8% | +$4.21M | 1.29% | 23 |
|
|
2024
Q2 | $48.5M | Buy |
57,050
+55,353
| +3,262% | +$43.2M | 1.15% | 24 |
|
|
2024
Q1 | $1.24M | Sell |
1,697
-5,500
| -76% | -$3.93M | 0.03% | 103 |
|
|
2023
Q4 | $4.75M | Sell |
7,197
-20,745
| -74% | -$12.3M | 0.11% | 85 |
|
|
2023
Q3 | $15.8M | Sell |
27,942
-74,706
| -73% | -$41.2M | 0.43% | 62 |
|
|
2023
Q2 | $55.3M | Hold |
102,648
| – | – | 1.33% | 24 |
|
|
2023
Q1 | $51M | Hold |
102,648
| – | – | 1.21% | 26 |
|
|
2022
Q4 | $46.9M | Hold |
102,648
| – | – | 1.28% | 23 |
|
|
2022
Q3 | $48.5M | Buy |
102,648
+30,093
| +41% | +$15.7M | 1.19% | 26 |
|
|
2022
Q2 | $34.8M | Buy |
+72,555
| New | +$36.8M | 0.73% | 46 |
|
|
2021
Q3 | – | Sell |
-6,000
| Closed | -$2.37M | – | 104 |
|
|
2021
Q2 | $2.37M | Sell |
6,000
-7,500
| -56% | -$2.84M | 0.04% | 105 |
|
|
2021
Q1 | $4.76M | Sell |
13,500
-35,493
| -72% | -$12.4M | 0.09% | 109 |
|
|
2020
Q4 | $18.5M | Sell |
48,993
-9,342
| -16% | -$3.49M | 0.38% | 76 |
|
|
2020
Q3 | $20.7M | Hold |
58,335
| – | – | 0.54% | 53 |
|
|
2020
Q2 | $17.7M | Sell |
58,335
-25,643
| -31% | -$7.8M | 0.54% | 52 |
|
|
2020
Q1 | $23.9M | Sell |
83,978
-658
| -0.8% | -$200K | 0.88% | 38 |
|
|
2019
Q4 | $24.9M | Buy |
84,636
+69,836
| +472% | +$20.8M | 0.77% | 37 |
|
|
2019
Q3 | $4.26M | Buy |
+14,800
| New | +$4.16M | 0.12% | 74 |
|
|
2017
Q2 | – | Sell |
-140,000
| Closed | -$23.5M | – | 73 |
|
|
2017
Q1 | $23.5M | Hold |
140,000
| – | – | 0.59% | 38 |
|
|
2016
Q4 | $22.4M | Buy |
+140,000
| New | +$21.4M | 0.85% | 29 |
|
|
2016
Q2 | – | Sell |
-53,963
| Closed | -$8.5M | – | 65 |
|
|
2016
Q1 | $8.5M | Buy |
53,963
+51,900
| +2,516% | +$7.87M | 0.37% | 48 |
|
|
2015
Q4 | $333K | Buy |
+2,063
| New | +$326K | 0.02% | 56 |
|
Other funds holding COST
VCM
VPM
DAM
Nan Shan Life Insurance's COST Position: Q1 2026 in Review
Nan Shan Life Insurance increased its Costco (COST) stake by 31% in Q1 2026, buying an estimated $30.5M and bringing the position to 131,842 shares worth $131M. The position accounts for 4.76% of the portfolio, ranked #2.
Nan Shan Life Insurance first reported a position in COST in Q4 2015 and has held it in 28 quarters since. 4,238 funds tracked by Wall St. Rank hold COST as of Q1 2026.
- Nan Shan Life Insurance held 131,842 shares of Costco worth $131M as of Q1 2026.
- Nan Shan Life Insurance bought 31,336 Costco shares in Q1 2026, an estimated $30.5M.
- Costco made up 4.76% of Nan Shan Life Insurance's portfolio in Q1 2026, its #2 holding.
- Nan Shan Life Insurance first reported a position in Costco in Q4 2015 and has held it in 28 quarters since.
- 4,238 funds tracked by Wall St. Rank held Costco as of Q1 2026.
Based on Nan Shan Life Insurance's 13F filing for Q1 2026, filed 14 May 2026.