Parallax Volatility Advisers’s iShares Biotechnology ETF IBB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q3 | – | Sell |
-58,500
| Closed | -$7.4M | – | 1706 |
|
|
2025
Q2 | $7.4M | Buy |
+58,500
| New | +$7.18M | 0.02% | 519 |
|
|
2025
Q1 | – | Sell |
-93,700
| Closed | -$12.4M | – | 1811 |
|
|
2024
Q4 | $12.4M | Buy |
93,700
+14,000
| +18% | +$1.97M | 0.02% | 499 |
|
|
2024
Q3 | $11.6M | Buy |
79,700
+46,800
| +142% | +$6.77M | 0.02% | 494 |
|
|
2024
Q2 | $4.52M | Buy |
+32,900
| New | +$4.39M | 0.01% | 752 |
|
|
2024
Q1 | – | Sell |
-369,100
| Closed | -$50.1M | – | 2067 |
|
|
2023
Q4 | $50.1M | Buy |
+369,100
| New | +$45M | 0.1% | 179 |
|
|
2023
Q2 | – | Sell |
-400
| Closed | -$51.7K | – | 2632 |
|
|
2023
Q1 | $51.7K | Sell |
400
-65,200
| -99% | -$8.53M | ﹤0.01% | 2213 |
|
|
2022
Q4 | $8.61M | Sell |
65,600
-11,000
| -14% | -$1.42M | 0.01% | 825 |
|
|
2022
Q3 | $8.96M | Sell |
76,600
-100,000
| -57% | -$12.4M | 0.01% | 801 |
|
|
2022
Q2 | $20.8M | Buy |
+176,600
| New | +$21M | 0.02% | 473 |
|
|
2021
Q4 | – | Sell |
-400
| Closed | -$65K | – | 2087 |
|
|
2021
Q3 | $65K | Hold |
400
| – | – | ﹤0.01% | 1811 |
|
|
2021
Q2 | $65K | Buy |
+400
| New | +$61.6K | ﹤0.01% | 1386 |
|
|
2021
Q1 | – | Sell |
-369,200
| Closed | -$55.9M | – | 1564 |
|
|
2020
Q4 | $55.9M | Buy |
369,200
+11,900
| +3% | +$1.7M | 0.06% | 280 |
|
|
2020
Q3 | $48.4M | Buy |
357,300
+277,600
| +348% | +$37.7M | 0.04% | 404 |
|
|
2020
Q2 | $10.9M | Buy |
79,700
+17,700
| +29% | +$2.26M | 0.01% | 741 |
|
|
2020
Q1 | $6.68M | Sell |
62,000
-700
| -1% | -$80.6K | 0.01% | 754 |
|
|
2019
Q4 | $7.56M | Buy |
62,700
+19,400
| +45% | +$2.16M | 0.01% | 753 |
|
|
2019
Q3 | $4.31M | Sell |
43,300
-10,700
| -20% | -$1.12M | ﹤0.01% | 868 |
|
|
2019
Q2 | $5.9M | Sell |
54,000
-78,400
| -59% | -$8.34M | 0.01% | 671 |
|
|
2019
Q1 | $14.8M | Buy |
132,400
+82,100
| +163% | +$9M | 0.02% | 373 |
|
|
2018
Q4 | $4.86M | Sell |
50,300
-19,400
| -28% | -$2.06M | 0.01% | 718 |
|
|
2018
Q3 | $8.49M | Buy |
+69,700
| New | +$8.21M | 0.01% | 528 |
|
|
2018
Q2 | – | Sell |
-85,500
| Closed | -$9.13M | – | 2641 |
|
|
2018
Q1 | $9.13M | Sell |
85,500
-203,200
| -70% | -$22.5M | 0.01% | 407 |
|
|
2017
Q4 | $30.8M | Buy |
+288,700
| New | +$30.9M | 0.04% | 196 |
|
|
2017
Q1 | – | Sell |
-52,500
| Closed | -$4.64M | – | 4030 |
|
|
2016
Q4 | $4.64M | Hold |
52,500
| – | – | 0.01% | 665 |
|
|
2016
Q3 | $5.07M | Sell |
52,500
-1,200,000
| -96% | -$114M | 0.01% | 669 |
|
|
2016
Q2 | $107M | Buy |
1,252,500
+1,207,500
| +2,683% | +$108M | 0.21% | 61 |
|
|
2016
Q1 | $3.91M | Sell |
45,000
-285,000
| -86% | -$25.5M | 0.01% | 652 |
|
|
2015
Q4 | $37.2M | Buy |
330,000
+36,000
| +12% | +$3.91M | 0.08% | 167 |
|
|
2015
Q3 | $29.7M | Buy |
294,000
+276,000
| +1,533% | +$33.1M | 0.07% | 200 |
|
|
2015
Q2 | $2.21M | Sell |
18,000
-207,000
| -92% | -$24.8M | ﹤0.01% | 1029 |
|
|
2015
Q1 | $25.8M | Buy |
+225,000
| New | +$24.8M | 0.06% | 253 |
|
|
2014
Q3 | – | Sell |
-60,000
| Closed | -$5.14M | – | 4276 |
|
|
2014
Q2 | $5.14M | Buy |
+60,000
| New | +$4.73M | 0.02% | 471 |
|
Other funds holding IBB
CB
Parallax Volatility Advisers's IBB Position: Q1 2026 in Review
Parallax Volatility Advisers sold out of iShares Biotechnology ETF (IBB) in Q1 2026, closing a stake of 13,526 shares — an estimated $2.28M sold.
Parallax Volatility Advisers first reported a position in IBB in Q2 2014 and held it in 43 quarters. The position peaked at $29.4M in Q4 2020. 917 funds tracked by Wall St. Rank hold IBB as of Q1 2026.
- Parallax Volatility Advisers reported no remaining iShares Biotechnology ETF position as of Q1 2026 after selling out during the quarter.
- Parallax Volatility Advisers sold 13,526 iShares Biotechnology ETF shares in Q1 2026, an estimated $2.28M.
- Parallax Volatility Advisers first reported a position in iShares Biotechnology ETF in Q2 2014 and held it in 43 quarters.
- Parallax Volatility Advisers's iShares Biotechnology ETF position peaked at $29.4M in Q4 2020.
- 917 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q1 2026.
Based on Parallax Volatility Advisers's 13F filing for Q1 2026, filed 15 May 2026.