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Bio-Rad Laboratories Class A

383 hedge funds and large institutions have $4.63B invested in Bio-Rad Laboratories Class A in 2025 Q2 according to their latest regulatory filings, with 53 funds opening new positions, 113 increasing their positions, 169 reducing their positions, and 101 closing their positions.

New
Increased
Maintained
Reduced
Closed

25% more funds holding in top 10

Funds holding in top 10: 45 (+1)

1.78% more ownership

Funds ownership: 84.91%86.68% (+1.8%)

2% less capital invested

Capital invested by funds: $4.71B → $4.63B (-$81.7M)

12% less funds holding

Funds holding: 435383 (-52)

33% less repeat investments, than reductions

Existing positions increased: 113 | Existing positions reduced: 169

48% less first-time investments, than exits

New positions opened: 53 | Existing positions closed: 101

67% less call options, than puts

Call options by funds: $2.94M | Put options by funds: $8.81M

Holders
383
Holders Change
-52
Holders Change %
-11.95%
% of All Funds
5.04%
Holding in Top 10
5
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+25%
% of All Funds
0.07%
New
53
Increased
113
Reduced
169
Closed
101
Calls
$2.94M
Puts
$8.81M
Net Calls
-$5.87M
Net Calls Change
-$5.7M
Name Holding Trade Value Shares
Change
Change in
Stake
Envestnet Portfolio Solutions
251
Envestnet Portfolio Solutions
Illinois
$236K -$74.5K -315 -24%
BC
252
Bridgefront Capital
Texas
$234K -$113K -478 -33%
CAM
253
Claret Asset Management
Quebec, Canada
$231K +$225K +953 New
BHPW
254
Beverly Hills Private Wealth
California
$226K -$17.7K -75 -7%
IWS
255
Insight Wealth Strategies
California
$225K
Brown Advisory
256
Brown Advisory
Maryland
$224K -$37.1K -157 -14%
Marshall Wace
257
Marshall Wace
United Kingdom
$223K -$6.19M -26,169 -97%
WOSD
258
WFA of San Diego
California
$222K +$217K +920 New
MAM
259
Mystic Asset Management
Rhode Island
$217K
LCM
260
Laurion Capital Management
New York
$214K -$23.4K -99 -10%
MSRPS
261
Maryland State Retirement & Pension System
Maryland
$213K
ZIM
262
Zacks Investment Management
Illinois
$212K +$208K +879 New
Janney Montgomery Scott
263
Janney Montgomery Scott
Pennsylvania
$211K -$70.9K -300 -26%
TRCT
264
Tower Research Capital (TRC)
New York
$209K -$200K -847 -49%
BC
265
Brio Consultants
California
$208K -$103K -436 -34%
SG Americas Securities
266
SG Americas Securities
New York
$196K -$410K -1,736 -68%
GI
267
GAMMA Investing
California
$177K +$30K +127 +21%
GWM
268
Gitterman Wealth Management
New Jersey
$160K +$157K +664 New
RP
269
Rowlandmiller & Partners
Georgia
$159K -$1.89K -8 -1%
Group One Trading
270
Group One Trading
Illinois
$138K -$83.4K -353 -38%
SO
271
STRS Ohio
Ohio
$112K +$109K +463 New
HNB
272
Huntington National Bank
Ohio
$94.8K +$236 +1 +0.3%
PA
273
Parallel Advisors
California
$90K +$6.38K +27 +8%
CI Investments Inc
274
CI Investments Inc
Ontario, Canada
$82K -$2.36K -10 -3%
ACM
275
Aster Capital Management
United Arab Emirates
$71.7K -$507K -2,145 -88%

BIO Hedge Fund Activity: Q2 2025 in Review

383 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Bio-Rad Laboratories Class A (BIO) for Q2 2025, worth a combined $4.63B — down 1.7% from $4.71B a quarter earlier.

Sellers outnumbered buyers: 101 funds closed out of BIO and 53 opened new positions — a net loss of 48 holders — while 169 trimmed existing stakes and 113 added.

The largest buyer was First Eagle Investment Management, adding an estimated $225M. The largest seller was VanEck Associates, cutting an estimated $132M.

  • 383 institutional investors held Bio-Rad Laboratories Class A (BIO) as of Q2 2025, down from 435 in Q1 2025.
  • Funds reported $4.63B of Bio-Rad Laboratories Class A stock for Q2 2025, down 1.7% quarter-over-quarter.
  • 53 funds opened new Bio-Rad Laboratories Class A positions in Q2 2025 and 101 closed out, a net change of -48 holders.
  • The largest Bio-Rad Laboratories Class A buyer in Q2 2025 was First Eagle Investment Management, an estimated $225M added.
  • The largest Bio-Rad Laboratories Class A seller in Q2 2025 was VanEck Associates, an estimated $132M sold.

Based on aggregated 13F filings for Q2 2025.