Bruker
BRKR
355 hedge funds and large institutions have $6.41B invested in Bruker in 2025 Q4 according to their latest regulatory filings, with 84 funds opening new positions, 109 increasing their positions, 122 reducing their positions, and 62 closing their positions.
150% more funds holding in top 10
Funds holding in top 10: 2 → 5 (+3)
104% more call options, than puts
Call options by funds: $33.8M | Put options by funds: $16.5M
49% more capital invested
Capital invested by funds: $4.31B → $6.41B (+$2.1B)
35% more first-time investments, than exits
New positions opened: 84 | Existing positions closed: 62
4% more funds holding
Funds holding: 340 → 355 (+15)
1.98% more ownership
Funds ownership: 87.39% → 89.37% (+2%)
11% less repeat investments, than reductions
Existing positions increased: 109 | Existing positions reduced: 122
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$96.7M |
| 2 |
Franklin Resources
San Mateo,
California
|
+$74.2M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
+$63.2M |
| 4 |
Millennium Management
New York
|
+$53.6M |
| 5 |
Marshall Wace
London,
United Kingdom
|
+$46.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$135M |
| 2 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$33.9M |
| 3 |
Jane Street
New York
|
-$32.5M |
| 4 |
Janus Henderson Group
London,
|
-$30.5M |
| 5 |
Morgan Stanley
New York
|
-$21.5M |
BRKR Hedge Fund Activity: Q4 2025 in Review
355 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Bruker (BRKR) for Q4 2025, worth a combined $6.41B — up 49% from $4.31B a quarter earlier.
Buyers outnumbered sellers: 84 funds opened new BRKR positions and 62 closed out — a net gain of 22 holders — while 109 added to existing stakes and 122 trimmed.
The largest buyer was T. Rowe Price Associates, adding an estimated $96.7M. The largest seller was T. Rowe Price Investment Management, cutting an estimated $135M.
- 355 institutional investors held Bruker (BRKR) as of Q4 2025, up from 340 in Q3 2025.
- Funds reported $6.41B of Bruker stock for Q4 2025, up 49% quarter-over-quarter.
- 84 funds opened new Bruker positions in Q4 2025 and 62 closed out, a net change of +22 holders.
- The largest Bruker buyer in Q4 2025 was T. Rowe Price Associates, an estimated $96.7M added.
- The largest Bruker seller in Q4 2025 was T. Rowe Price Investment Management, an estimated $135M sold.
Based on aggregated 13F filings for Q4 2025.