Bio-Rad Laboratories Class B
BIO.B
5 hedge funds and large institutions have $518K invested in Bio-Rad Laboratories Class B in 2025 Q1 according to their latest regulatory filings, with 0 funds opening new positions, increasing their positions, 1 reducing their positions, and 3 closing their positions.
0.02% less ownership
Funds ownership: 0.07% → 0.04% (-0.02%)
38% less funds holding
Funds holding: 8 → 5 (-3)
52% less capital invested
Capital invested by funds: $1.08M → $518K (-$559K)
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 3
100% less repeat investments, than reductions
Existing positions increased: 0 | Existing positions reduced: 1
Top Buyers
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Focus Partners Wealth
Boston,
Massachusetts
|
-$245K |
| 2 |
CL
CSS LLC
Chicago,
Illinois
|
-$79.9K |
| 3 |
IUHSA
Itau Unibanco Holding S.A.
Sao Paulo,
Brazil
|
-$41.7K |
| 4 |
Jones Financial Companies
Des Peres,
Missouri
|
-$12.5K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
CL
1
CSS LLC
Chicago,
Illinois
| $266K | -$79.9K | -249 | -19% |
|
2
Morgan Stanley
New York
| $172K | – | – | – |
|
3
Wells Fargo
San Francisco,
California
| $41.1K | – | – | – |
|
|
WT
4
Whittier Trust
South Pasadena,
California
| $38.7K | – | – | – |
|
5
UBS Group
Zurich,
Switzerland
| $242 | – | – | – |
|
|
6
Focus Partners Wealth
Boston,
Massachusetts
| – | -$245K | -760 | Closed |
|
|
IUHSA
7
Itau Unibanco Holding S.A.
Sao Paulo,
Brazil
| – | -$41.7K | -127 | Closed |
|
|
8
Jones Financial Companies
Des Peres,
Missouri
| – | -$12.5K | -38 | Closed |
|
BIO.B Hedge Fund Activity: Q1 2025 in Review
5 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Bio-Rad Laboratories Class B (BIO.B) for Q1 2025, worth a combined $518K — down 52% from $1.08M a quarter earlier.
Sellers outnumbered buyers: 3 funds closed out of BIO.B and 0 opened new positions — a net loss of 3 holders — while 1 trimmed existing stakes and 0 added.
The largest seller was Focus Partners Wealth, exiting entirely with an estimated $245K sold.
- 5 institutional investors held Bio-Rad Laboratories Class B (BIO.B) as of Q1 2025, down from 8 in Q4 2024.
- Funds reported $518K of Bio-Rad Laboratories Class B stock for Q1 2025, down 52% quarter-over-quarter.
- 0 funds opened new Bio-Rad Laboratories Class B positions in Q1 2025 and 3 closed out, a net change of -3 holders.
- The largest Bio-Rad Laboratories Class B seller in Q1 2025 was Focus Partners Wealth, an estimated $245K sold.
Based on aggregated 13F filings for Q1 2025.