Bio-Rad Laboratories Class B
BIO.B
5 hedge funds and large institutions have $545K invested in Bio-Rad Laboratories Class B in 2026 Q2 according to their latest regulatory filings, with 0 funds opening new positions, 0 increasing their positions, 1 reducing their positions, and 2 closing their positions.
0.04% less ownership
Funds ownership: 0.07% → 0.04% (-0.04%)
29% less funds holding
Funds holding: 7 → 5 (-2)
48% less capital invested
Capital invested by funds: $1.05M → $545K (-$505K)
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 2
100% less repeat investments, than reductions
Existing positions increased: 0 | Existing positions reduced: 1
Top Buyers
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CL
CSS LLC
Chicago,
Illinois
|
-$272K |
| 2 |
Focus Partners Wealth
Boston,
Massachusetts
|
-$211K |
| 3 |
FTUS
Flow Traders U.S.
New York
|
-$62K |
BIO.B Hedge Fund Activity: Q2 2026 in Review
5 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Bio-Rad Laboratories Class B (BIO.B) for Q2 2026, worth a combined $545K — down 48% from $1.05M a quarter earlier.
Sellers outnumbered buyers: 2 funds closed out of BIO.B and 0 opened new positions — a net loss of 2 holders — while 1 trimmed existing stakes and 0 added.
The largest seller was CSS LLC, exiting entirely with an estimated $272K sold.
- 5 institutional investors held Bio-Rad Laboratories Class B (BIO.B) as of Q2 2026, down from 7 in Q1 2026.
- Funds reported $545K of Bio-Rad Laboratories Class B stock for Q2 2026, down 48% quarter-over-quarter.
- 0 funds opened new Bio-Rad Laboratories Class B positions in Q2 2026 and 2 closed out, a net change of -2 holders.
- The largest Bio-Rad Laboratories Class B seller in Q2 2026 was CSS LLC, an estimated $272K sold.
Based on aggregated 13F filings for Q2 2026.