Parallax Volatility Advisers’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 | $2.01M | Sell |
2,000
-18,800
| -90% | -$18.3M | 0.01% | 783 |
|
|
2025
Q4 | $17.9M | Buy |
20,800
+9,100
| +78% | +$8.25M | 0.04% | 328 |
|
|
2025
Q3 | $10.8M | Sell |
11,700
-22,800
| -66% | -$21.9M | 0.02% | 439 |
|
|
2025
Q2 | $34.2M | Sell |
34,500
-128,400
| -79% | -$128M | 0.08% | 186 |
|
|
2025
Q1 | $154M | Buy |
162,900
+149,100
| +1,080% | +$145M | 0.42% | 41 |
|
|
2024
Q4 | $12.6M | Sell |
13,800
-17,100
| -55% | -$15.9M | 0.02% | 491 |
|
|
2024
Q3 | $27.4M | Sell |
30,900
-5,800
| -16% | -$5.03M | 0.05% | 263 |
|
|
2024
Q2 | $31.2M | Sell |
36,700
-34,700
| -49% | -$27.1M | 0.07% | 211 |
|
|
2024
Q1 | $52.3M | Buy |
71,400
+43,000
| +151% | +$30.7M | 0.12% | 160 |
|
|
2023
Q4 | $18.7M | Buy |
28,400
+10,500
| +59% | +$6.22M | 0.04% | 409 |
|
|
2023
Q3 | $10.1M | Sell |
17,900
-16,000
| -47% | -$8.83M | 0.02% | 530 |
|
|
2023
Q2 | $18.3M | Sell |
33,900
-98,300
| -74% | -$49.7M | 0.04% | 371 |
|
|
2023
Q1 | $65.7M | Sell |
132,200
-24,200
| -15% | -$11.9M | 0.13% | 144 |
|
|
2022
Q4 | $71.4M | Buy |
156,400
+87,600
| +127% | +$42.8M | 0.11% | 206 |
|
|
2022
Q3 | $32.5M | Sell |
68,800
-207,100
| -75% | -$108M | 0.05% | 389 |
|
|
2022
Q2 | $132M | Buy |
275,900
+187,300
| +211% | +$95M | 0.13% | 114 |
|
|
2022
Q1 | $51M | Buy |
+88,600
| New | +$46.5M | 0.03% | 258 |
|
|
2020
Q4 | – | Sell |
-347,000
| Closed | -$123M | – | 2662 |
|
|
2020
Q3 | $123M | Buy |
347,000
+99,900
| +40% | +$33.6M | 0.09% | 194 |
|
|
2020
Q2 | $74.9M | Sell |
247,100
-137,800
| -36% | -$41.9M | 0.09% | 176 |
|
|
2020
Q1 | $110M | Buy |
384,900
+346,400
| +900% | +$105M | 0.14% | 98 |
|
|
2019
Q4 | $11.3M | Sell |
38,500
-19,400
| -34% | -$5.77M | 0.01% | 608 |
|
|
2019
Q3 | $16.7M | Sell |
57,900
-119,100
| -67% | -$33.5M | 0.02% | 451 |
|
|
2019
Q2 | $46.8M | Sell |
177,000
-101,200
| -36% | -$25.2M | 0.05% | 191 |
|
|
2019
Q1 | $67.4M | Sell |
278,200
-544,900
| -66% | -$119M | 0.08% | 118 |
|
|
2018
Q4 | $168M | Buy |
823,100
+601,300
| +271% | +$134M | 0.22% | 63 |
|
|
2018
Q3 | $52.1M | Buy |
221,800
+187,900
| +554% | +$42.3M | 0.06% | 130 |
|
|
2018
Q2 | $7.08M | Buy |
+33,900
| New | +$6.7M | 0.01% | 526 |
|
|
2018
Q1 | – | Sell |
-1,800
| Closed | -$335K | – | 2493 |
|
|
2017
Q4 | $335K | Hold |
1,800
| – | – | ﹤0.01% | 1845 |
|
|
2017
Q3 | $296K | Sell |
1,800
-14,700
| -89% | -$2.31M | ﹤0.01% | 1370 |
|
|
2017
Q2 | $2.64M | Sell |
16,500
-262,400
| -94% | -$45.2M | 0.01% | 749 |
|
|
2017
Q1 | $46.8M | Sell |
278,900
-331,500
| -54% | -$55.6M | 0.1% | 130 |
|
|
2016
Q4 | $97.7M | Sell |
610,400
-113,000
| -16% | -$17.2M | 0.19% | 76 |
|
|
2016
Q3 | $110M | Buy |
723,400
+647,600
| +854% | +$105M | 0.2% | 58 |
|
|
2016
Q2 | $11.9M | Sell |
75,800
-77,900
| -51% | -$11.8M | 0.02% | 392 |
|
|
2016
Q1 | $24.2M | Buy |
153,700
+5,200
| +4% | +$788K | 0.05% | 216 |
|
|
2015
Q4 | $24M | Sell |
148,500
-33,400
| -18% | -$5.28M | 0.05% | 249 |
|
|
2015
Q3 | $26.3M | Buy |
181,900
+96,900
| +114% | +$13.8M | 0.06% | 221 |
|
|
2015
Q2 | $11.5M | Buy |
85,000
+36,800
| +76% | +$5.29M | 0.02% | 439 |
|
|
2015
Q1 | $7.3M | Sell |
48,200
-32,900
| -41% | -$4.83M | 0.02% | 581 |
|
|
2014
Q4 | $11.5M | Sell |
81,100
-84,800
| -51% | -$11.5M | 0.03% | 426 |
|
|
2014
Q3 | $20.8M | Buy |
165,900
+141,100
| +569% | +$17.1M | 0.07% | 252 |
|
|
2014
Q2 | $2.85M | Sell |
24,800
-124,300
| -83% | -$14.3M | 0.01% | 646 |
|
|
2014
Q1 | $16.7M | Buy |
149,100
+131,700
| +757% | +$15.1M | 0.1% | 173 |
|
|
2013
Q4 | $2.07M | Sell |
17,400
-8,000
| -31% | -$956K | 0.01% | 645 |
|
|
2013
Q3 | $2.93M | Buy |
25,400
+11,400
| +81% | +$1.32M | 0.02% | 453 |
|
|
2013
Q2 | $1.55M | Buy |
+14,000
| New | +$1.53M | 0.01% | 632 |
|
Other funds holding COST
VCM
VPM
DAM
Parallax Volatility Advisers's COST Position: Q1 2026 in Review
Parallax Volatility Advisers increased its Costco (COST) stake by 160,500% in Q1 2026, buying an estimated $3.13M and bringing the position to 3,212 shares worth $3.23M. The position accounts for 0.01% of the portfolio, ranked #686.
Parallax Volatility Advisers first reported a position in COST in Q2 2013 and has held it in 39 quarters since. The position peaked at $90.6M in Q3 2020. 4,239 funds tracked by Wall St. Rank hold COST as of Q1 2026.
- Parallax Volatility Advisers held 3,212 shares of Costco worth $3.23M as of Q1 2026.
- Parallax Volatility Advisers bought 3,210 Costco shares in Q1 2026, an estimated $3.13M.
- Costco made up 0.01% of Parallax Volatility Advisers's portfolio in Q1 2026, its #686 holding.
- Parallax Volatility Advisers first reported a position in Costco in Q2 2013 and has held it in 39 quarters since.
- Parallax Volatility Advisers's Costco position peaked at $90.6M in Q3 2020.
- 4,239 funds tracked by Wall St. Rank held Costco as of Q1 2026.
Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.