Bio-Rad Laboratories Class B
BIO.B
7 hedge funds and large institutions have $1.05M invested in Bio-Rad Laboratories Class B in 2026 Q1 according to their latest regulatory filings, with 1 funds opening new positions, 2 increasing their positions, 1 reducing their positions, and closing their positions.
100% more repeat investments, than reductions
Existing positions increased: 2 | Existing positions reduced: 1
22% more capital invested
Capital invested by funds: $861K → $1.05M (+$189K)
17% more funds holding
Funds holding: 6 → 7 (+1)
0.02% more ownership
Funds ownership: 0.06% → 0.07% (+0.02%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FTUS
Flow Traders U.S.
New York
|
+$273K |
| 2 |
Morgan Stanley
New York
|
+$4.16K |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$1.39K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CL
CSS LLC
Chicago,
Illinois
|
-$16.9K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
FTUS
1
Flow Traders U.S.
New York
| $274K | +$273K | +985 | New |
|
|
CL
2
CSS LLC
Chicago,
Illinois
| $272K | -$16.9K | -61 | -6% |
|
3
Focus Partners Wealth
Boston,
Massachusetts
| $211K | – | – | – |
|
|
4
Morgan Stanley
New York
| $198K | +$4.16K | +15 | +2% |
|
5
Wells Fargo
San Francisco,
California
| $47.3K | – | – | – |
|
|
WT
6
Whittier Trust
South Pasadena,
California
| $43.9K | – | – | – |
|
|
7
UBS Group
Zurich,
Switzerland
| $3.62K | +$1.39K | +5 | +63% |
|
BIO.B Hedge Fund Activity: Q1 2026 in Review
7 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in Bio-Rad Laboratories Class B (BIO.B) for Q1 2026, worth a combined $1.05M — up 22% from $861K a quarter earlier.
Buyers outnumbered sellers: 1 fund opened new BIO.B positions and 0 closed out — a net gain of 1 holder — while 2 added to existing stakes and 1 trimmed.
The largest buyer was Flow Traders U.S., opening a new position worth an estimated $273K. The largest seller was CSS LLC, cutting an estimated $16.9K.
- 7 institutional investors held Bio-Rad Laboratories Class B (BIO.B) as of Q1 2026, up from 6 in Q4 2025.
- Funds reported $1.05M of Bio-Rad Laboratories Class B stock for Q1 2026, up 22% quarter-over-quarter.
- 1 fund opened new Bio-Rad Laboratories Class B positions in Q1 2026 and 0 closed out, a net change of +1 holder.
- The largest Bio-Rad Laboratories Class B buyer in Q1 2026 was Flow Traders U.S., an estimated $273K added.
- The largest Bio-Rad Laboratories Class B seller in Q1 2026 was CSS LLC, an estimated $16.9K sold.
Based on aggregated 13F filings for Q1 2026.