Silicon Laboratories
SLAB
325 hedge funds and large institutions have $4.39B invested in Silicon Laboratories in 2025 Q4 according to their latest regulatory filings, with 41 funds opening new positions, 106 increasing their positions, 123 reducing their positions, and 40 closing their positions.
113% more call options, than puts
Call options by funds: $5.91M | Put options by funds: $2.78M
2.16% more ownership
Funds ownership: 100.06% → 102.22% (+2.2%)
3% more first-time investments, than exits
New positions opened: 41 | Existing positions closed: 40
2% more capital invested
Capital invested by funds: $4.3B → $4.39B (+$85.9M)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
3% less funds holding
Funds holding: 334 → 325 (-9)
14% less repeat investments, than reductions
Existing positions increased: 106 | Existing positions reduced: 123
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Thrivent Financial for Lutherans
Minneapolis,
Minnesota
|
+$46.6M |
| 2 |
BlackRock
New York
|
+$34.8M |
| 3 |
Westfield Capital Management
Boston,
Massachusetts
|
+$27M |
| 4 |
Adage Capital Partners
Boston,
Massachusetts
|
+$19.9M |
| 5 |
BNP Paribas Asset Management
Paris,
France
|
+$17.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$131M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
-$40.7M |
| 3 |
Comerica Bank
Dallas,
Texas
|
-$14.5M |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$9.62M |
| 5 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
-$8.68M |
SLAB Hedge Fund Activity: Q4 2025 in Review
325 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Silicon Laboratories (SLAB) for Q4 2025, worth a combined $4.39B — up 2% from $4.3B a quarter earlier.
Buyers outnumbered sellers: 41 funds opened new SLAB positions and 40 closed out — a net gain of 1 holder — while 106 added to existing stakes and 123 trimmed.
The largest buyer was Thrivent Financial for Lutherans, adding an estimated $46.6M. The largest seller was Macquarie Group, exiting entirely with an estimated $131M sold.
- 325 institutional investors held Silicon Laboratories (SLAB) as of Q4 2025, down from 334 in Q3 2025.
- Funds reported $4.39B of Silicon Laboratories stock for Q4 2025, up 2% quarter-over-quarter.
- 41 funds opened new Silicon Laboratories positions in Q4 2025 and 40 closed out, a net change of +1 holder.
- The largest Silicon Laboratories buyer in Q4 2025 was Thrivent Financial for Lutherans, an estimated $46.6M added.
- The largest Silicon Laboratories seller in Q4 2025 was Macquarie Group, an estimated $131M sold.
Based on aggregated 13F filings for Q4 2025.