Parallax Volatility Advisers’s State Street SPDR S&P Biotech ETF XBI Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $13.4M | Buy |
98,200
+15,600
| +19% | +$1.95M | 0.03% | 333 |
|
|
2025
Q4 | $10.1M | Sell |
82,600
-19,400
| -19% | -$2.22M | 0.02% | 458 |
|
|
2025
Q3 | $10.2M | Sell |
102,000
-22,200
| -18% | -$2M | 0.02% | 457 |
|
|
2025
Q2 | $10.3M | Sell |
124,200
-11,900
| -9% | -$949K | 0.02% | 421 |
|
|
2025
Q1 | $11M | Sell |
136,100
-1,575,100
| -92% | -$141M | 0.03% | 435 |
|
|
2024
Q4 | $154M | Buy |
1,711,200
+218,900
| +15% | +$21.2M | 0.3% | 63 |
|
|
2024
Q3 | $147M | Sell |
1,492,300
-132,300
| -8% | -$13M | 0.27% | 66 |
|
|
2024
Q2 | $151M | Buy |
1,624,600
+1,305,300
| +409% | +$117M | 0.32% | 50 |
|
|
2024
Q1 | $30.3M | Sell |
319,300
-373,100
| -54% | -$34.6M | 0.07% | 230 |
|
|
2023
Q4 | $61.8M | Buy |
692,400
+330,500
| +91% | +$24.5M | 0.13% | 151 |
|
|
2023
Q3 | $26.4M | Sell |
361,900
-135,000
| -27% | -$10.8M | 0.06% | 253 |
|
|
2023
Q2 | $41.3M | Sell |
496,900
-82,500
| -14% | -$6.9M | 0.09% | 190 |
|
|
2023
Q1 | $44.2M | Sell |
579,400
-70,100
| -11% | -$5.82M | 0.09% | 215 |
|
|
2022
Q4 | $53.9M | Sell |
649,500
-3,300
| -0.5% | -$267K | 0.08% | 263 |
|
|
2022
Q3 | $51.8M | Sell |
652,800
-41,500
| -6% | -$3.5M | 0.08% | 267 |
|
|
2022
Q2 | $51.6M | Sell |
694,300
-48,700
| -7% | -$3.66M | 0.05% | 262 |
|
|
2022
Q1 | $66.8M | Sell |
743,000
-121,200
| -14% | -$11.2M | 0.03% | 211 |
|
|
2021
Q4 | $96.8M | Buy |
864,200
+61,300
| +8% | +$7.39M | 0.11% | 124 |
|
|
2021
Q3 | $101M | Buy |
802,900
+90,800
| +13% | +$11.7M | 0.1% | 153 |
|
|
2021
Q2 | $96.4M | Sell |
712,100
-161,700
| -19% | -$21.3M | 0.13% | 110 |
|
|
2021
Q1 | $119M | Sell |
873,800
-400,700
| -31% | -$60M | 0.26% | 57 |
|
|
2020
Q4 | $179M | Sell |
1,274,500
-145,400
| -10% | -$18.6M | 0.18% | 88 |
|
|
2020
Q3 | $158M | Sell |
1,419,900
-14,500
| -1% | -$1.63M | 0.12% | 143 |
|
|
2020
Q2 | $161M | Buy |
1,434,400
+633,000
| +79% | +$62.3M | 0.19% | 79 |
|
|
2020
Q1 | $62.1M | Buy |
801,400
+282,300
| +54% | +$25M | 0.08% | 177 |
|
|
2019
Q4 | $49.4M | Buy |
519,100
+73,800
| +17% | +$6.38M | 0.06% | 215 |
|
|
2019
Q3 | $34M | Sell |
445,300
-127,500
| -22% | -$10.6M | 0.04% | 253 |
|
|
2019
Q2 | $50.2M | Sell |
572,800
-919,700
| -62% | -$78.4M | 0.05% | 178 |
|
|
2019
Q1 | $135M | Sell |
1,492,500
-33,200
| -2% | -$2.82M | 0.15% | 66 |
|
|
2018
Q4 | $109M | Buy |
1,525,700
+1,086,600
| +247% | +$87.5M | 0.14% | 108 |
|
|
2018
Q3 | $42.1M | Sell |
439,100
-514,800
| -54% | -$49.9M | 0.05% | 164 |
|
|
2018
Q2 | $90.8M | Sell |
953,900
-413,600
| -30% | -$38M | 0.13% | 74 |
|
|
2018
Q1 | $120M | Buy |
1,367,500
+387,000
| +39% | +$35.3M | 0.16% | 67 |
|
|
2017
Q4 | $83.2M | Buy |
980,500
+748,000
| +322% | +$62.7M | 0.11% | 84 |
|
|
2017
Q3 | $20.1M | Buy |
232,500
+26,500
| +13% | +$2.12M | 0.03% | 267 |
|
|
2017
Q2 | $15.9M | Sell |
206,000
-501,700
| -71% | -$35.6M | 0.03% | 296 |
|
|
2017
Q1 | $49.1M | Buy |
707,700
+96,700
| +16% | +$6.49M | 0.1% | 126 |
|
|
2016
Q4 | $36.2M | Sell |
611,000
-271,500
| -31% | -$16.8M | 0.07% | 190 |
|
|
2016
Q3 | $58.5M | Sell |
882,500
-220,900
| -20% | -$13.7M | 0.11% | 126 |
|
|
2016
Q2 | $59.7M | Sell |
1,103,400
-581,200
| -35% | -$31.8M | 0.12% | 109 |
|
|
2016
Q1 | $87M | Buy |
1,684,600
+1,584,600
| +1,585% | +$82.3M | 0.19% | 71 |
|
|
2015
Q4 | $7.02M | Sell |
100,000
-36,500
| -27% | -$2.49M | 0.01% | 563 |
|
|
2015
Q3 | $8.5M | Sell |
136,500
-418,500
| -75% | -$33M | 0.02% | 502 |
|
|
2015
Q2 | $46.7M | Buy |
+555,000
| New | +$43.2M | 0.1% | 132 |
|
|
2014
Q3 | – | Sell |
-2,100
| Closed | -$107K | – | 4555 |
|
|
2014
Q2 | $107K | Buy |
+2,100
| New | +$94.7K | ﹤0.01% | 2447 |
|
|
2013
Q4 | – | Sell |
-600
| Closed | -$26K | – | 3624 |
|
|
2013
Q3 | $26K | Buy |
+600
| New | +$24.3K | ﹤0.01% | 2145 |
|