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339 hedge funds and large institutions have $4.31B invested in Bruker in 2025 Q3 according to their latest regulatory filings, with 62 funds opening new positions, 112 increasing their positions, 129 reducing their positions, and 90 closing their positions.

New
Increased
Maintained
Reduced
Closed

5.4% more ownership

Funds ownership: 81.99%87.39% (+5.4%)

9% more call options, than puts

Call options by funds: $21.2M | Put options by funds: $19.4M

8% less funds holding

Funds holding: 370339 (-31)

13% less repeat investments, than reductions

Existing positions increased: 112 | Existing positions reduced: 129

16% less capital invested

Capital invested by funds: $5.12B → $4.31B (-$811M)

31% less first-time investments, than exits

New positions opened: 62 | Existing positions closed: 90

60% less funds holding in top 10

Funds holding in top 10: 52 (-3)

Holders
339
Holders Change
-31
Holders Change %
-8.38%
% of All Funds
4.45%
Holding in Top 10
2
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-60%
% of All Funds
0.03%
New
62
Increased
112
Reduced
129
Closed
90
Calls
$21.2M
Puts
$19.4M
Net Calls
+$1.78M
Net Calls Change
+$23.7M
Name Holding Trade Value Shares
Change
Change in
Stake
California State Teachers Retirement System (CalSTRS)
101
California State Teachers Retirement System (CalSTRS)
California
$3.29M +$116K +3,259 +3%
Tudor Investment Corp
102
Tudor Investment Corp
Connecticut
$3.25M +$3.56M +100,000 New
State Board of Administration of Florida Retirement System
103
State Board of Administration of Florida Retirement System
Florida
$3.19M -$112K -3,155 -3%
State of Tennessee, Department of Treasury
104
State of Tennessee, Department of Treasury
Tennessee
$2.58M +$1.64M +45,972 +137%
Manulife (Manufacturers Life Insurance)
105
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.57M -$30.4K -853 -1%
HF
106
HRT Financial
New York
$2.56M +$633K +17,747 +29%
BHCM
107
Brevan Howard Capital Management
Jersey
$2.56M +$1.56M +43,837 +126%
Ohio Public Employees Retirement System (OPERS)
108
Ohio Public Employees Retirement System (OPERS)
Ohio
$2.54M +$807K +22,645 +41%
T. Rowe Price Associates
109
T. Rowe Price Associates
Maryland
$2.51M +$113K +3,168 +4%
ACM
110
Advisors Capital Management
New Jersey
$2.5M -$66.4K -1,864 -2%
STA
111
Summit Trail Advisors
New York
$2.48M +$1.89M +52,969 +228%
Canada Life
112
Canada Life
Manitoba, Canada
$2.46M -$24.6K -689 -0.9%
Verition Fund Management
113
Verition Fund Management
Connecticut
$2.44M +$1.38M +38,844 +107%
LIP
114
Lighthouse Investment Partners
Florida
$2.34M +$2.57M +72,000 New
DFCM
115
Dark Forest Capital Management
Puerto Rico
$2.33M +$1.84M +51,614 +256%
BAM
116
Ballast Asset Management
Texas
$2.25M +$590K +16,564 +31%
VIM
117
VELA Investment Management
Ohio
$2.21M -$1.98M -55,591 -45%
State of New Jersey Common Pension Fund D
118
State of New Jersey Common Pension Fund D
New Jersey
$2.04M +$396K +11,103 +21%
Citigroup
119
Citigroup
New York
$2.01M -$1.04M -29,083 -32%
Zurich Cantonal Bank
120
Zurich Cantonal Bank
Switzerland
$1.95M -$9.05K -254 -0.4%
SGH
121
Sivik Global Healthcare
Connecticut
$1.95M +$2.14M +60,000 New
Squarepoint
122
Squarepoint
New York
$1.92M -$1.58M -44,272 -43%
MCM
123
Mengis Capital Management
Oregon
$1.82M
EEL
124
Expect Equity LLC
Maryland
$1.7M
MOACM
125
Mutual of America Capital Management
New York
$1.66M -$138K -3,861 -7%

BRKR Hedge Fund Activity: Q3 2025 in Review

339 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Bruker (BRKR) for Q3 2025, worth a combined $4.31B — down 16% from $5.12B a quarter earlier.

Sellers outnumbered buyers: 90 funds closed out of BRKR and 62 opened new positions — a net loss of 28 holders — while 129 trimmed existing stakes and 112 added.

The largest buyer was Orbis Allan Gray, adding an estimated $337M. The largest seller was T. Rowe Price Investment Management, cutting an estimated $180M.

  • 339 institutional investors held Bruker (BRKR) as of Q3 2025, down from 370 in Q2 2025.
  • Funds reported $4.31B of Bruker stock for Q3 2025, down 16% quarter-over-quarter.
  • 62 funds opened new Bruker positions in Q3 2025 and 90 closed out, a net change of -28 holders.
  • The largest Bruker buyer in Q3 2025 was Orbis Allan Gray, an estimated $337M added.
  • The largest Bruker seller in Q3 2025 was T. Rowe Price Investment Management, an estimated $180M sold.

Based on aggregated 13F filings for Q3 2025.