Simplex Trading’s Bio-Rad Laboratories Class A BIO Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q3 | – | Sell |
-400
| Closed | -$96K | – | 9065 |
|
|
2025
Q2 | $96K | Sell |
400
-700
| -64% | -$165K | ﹤0.01% | 5273 |
|
|
2025
Q1 | $267K | Buy |
1,100
+600
| +120% | +$181K | ﹤0.01% | 4036 |
|
|
2024
Q4 | $164K | Buy |
+500
| New | +$170K | ﹤0.01% | 4707 |
|
|
2024
Q3 | – | Sell |
-8,800
| Closed | -$2.4M | – | 8486 |
|
|
2024
Q2 | $2.4M | Buy |
8,800
+4,700
| +115% | +$1.37M | ﹤0.01% | 2035 |
|
|
2024
Q1 | $1.42M | Buy |
4,100
+3,100
| +310% | +$1.02M | ﹤0.01% | 2758 |
|
|
2023
Q4 | $322K | Sell |
1,000
-6,400
| -86% | -$2.01M | ﹤0.01% | 4147 |
|
|
2023
Q3 | $2.65M | Sell |
7,400
-30,200
| -80% | -$11.7M | ﹤0.01% | 1844 |
|
|
2023
Q2 | $14.3M | Sell |
37,600
-7,300
| -16% | -$2.97M | 0.01% | 712 |
|
|
2023
Q1 | $21.5M | Buy |
44,900
+30,600
| +214% | +$14.3M | 0.02% | 559 |
|
|
2022
Q4 | $6.01M | Sell |
14,300
-5,300
| -27% | -$2.14M | 0.01% | 1120 |
|
|
2022
Q3 | $8.18M | Buy |
19,600
+100
| +0.5% | +$49.9K | 0.01% | 896 |
|
|
2022
Q2 | $9.65M | Buy |
19,500
+4,100
| +27% | +$2.14M | 0.01% | 802 |
|
|
2022
Q1 | $8.67M | Sell |
15,400
-700
| -4% | -$422K | 0.01% | 903 |
|
|
2021
Q4 | $12.2M | Buy |
16,100
+14,600
| +973% | +$10.9M | 0.01% | 699 |
|
|
2021
Q3 | $986K | Hold |
1,500
| – | – | ﹤0.01% | 3088 |
|
|
2021
Q2 | $966K | Buy |
1,500
+1,499
| +149,900% | +$912K | ﹤0.01% | 3169 |
|
|
2021
Q1 | $57K | Sell |
1
-9
| -90% | -$5.33K | ﹤0.01% | 6437 |
|
|
2020
Q4 | $582K | Buy |
10
+7
| +233% | +$3.99K | ﹤0.01% | 3221 |
|
|
2020
Q3 | $154K | Buy |
3
+1
| +50% | +$507 | ﹤0.01% | 4427 |
|
|
2020
Q2 | $90K | Hold |
2
| – | – | ﹤0.01% | 4893 |
|
|
2020
Q1 | $70K | Sell |
2
-53
| -96% | -$19.5K | ﹤0.01% | 4767 |
|
|
2019
Q4 | $2.04M | Sell |
55
-61
| -53% | -$21.5K | ﹤0.01% | 1468 |
|
|
2019
Q3 | $3.86M | Buy |
+116
| New | +$37.8K | 0.01% | 875 |
|
|
2019
Q2 | – | Sell |
-15
| Closed | -$458K | – | 7086 |
|
|
2019
Q1 | $458K | Buy |
15
+9
| +150% | +$2.43K | ﹤0.01% | 2745 |
|
|
2018
Q4 | $139K | Buy |
+6
| New | +$1.61K | ﹤0.01% | 3518 |
|
|
2017
Q1 | – | Sell |
-5
| Closed | -$1K | – | 6137 |
|
|
2016
Q4 | $1K | Buy |
+5
| New | +$852 | ﹤0.01% | 5308 |
|
|
2016
Q1 | – | Sell |
-1
| Closed | -$4K | – | 5575 |
|
|
2015
Q4 | $4K | Buy |
+1
| New | +$139 | ﹤0.01% | 3992 |
|
Other funds holding BIO
VCM
VPM
AI
Simplex Trading's BIO Position: Q1 2026 in Review
Simplex Trading opened a new position in Bio-Rad Laboratories Class A (BIO) in Q1 2026: 123 shares worth $34.3K. The stake represents ﹤0.01% of the portfolio and ranks #6250 among its holdings. This is a return to the name: Simplex Trading previously reported a position in BIO as recently as Q2 2025.
Simplex Trading first reported a position in BIO in Q2 2015 and has held it in 23 quarters since. The position peaked at $893K in Q3 2022. 391 funds tracked by Wall St. Rank hold BIO as of Q1 2026.
- Simplex Trading held 123 shares of Bio-Rad Laboratories Class A worth $34.3K as of Q1 2026.
- Bio-Rad Laboratories Class A was a new Simplex Trading position in Q1 2026.
- Bio-Rad Laboratories Class A made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #6250 holding.
- Simplex Trading first reported a position in Bio-Rad Laboratories Class A in Q2 2015 and has held it in 23 quarters since.
- Simplex Trading's Bio-Rad Laboratories Class A position peaked at $893K in Q3 2022.
- 391 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q1 2026.
Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.