Silicon Laboratories
SLAB
326 hedge funds and large institutions have $3.84B invested in Silicon Laboratories in 2025 Q1 according to their latest regulatory filings, with 54 funds opening new positions, 124 increasing their positions, 106 reducing their positions, and 22 closing their positions.
239% more call options, than puts
Call options by funds: $8.32M | Put options by funds: $2.45M
145% more first-time investments, than exits
New positions opened: 54 | Existing positions closed: 22
17% more repeat investments, than reductions
Existing positions increased: 124 | Existing positions reduced: 106
10% more funds holding
Funds holding: 296 → 326 (+30)
1.08% more ownership
Funds ownership: 104.04% → 105.13% (+1.1%)
8% less capital invested
Capital invested by funds: $4.19B → $3.84B (-$352M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Westfield Capital Management
Boston,
Massachusetts
|
+$44.7M |
| 2 |
Adage Capital Partners
Boston,
Massachusetts
|
+$38.2M |
| 3 |
Invesco
Atlanta,
Georgia
|
+$34.4M |
| 4 |
Mackenzie Financial
Toronto Ontario,
Ontario, Canada
|
+$31.7M |
| 5 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
+$23.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital Research Global Investors
Los Angeles,
California
|
-$42.7M |
| 2 |
BlackRock
New York
|
-$39.1M |
| 3 |
VBA
Van Berkom & Associates
Montreal,
Quebec, Canada
|
-$35.2M |
| 4 |
Norges Bank
Oslo,
Norway
|
-$28.9M |
| 5 |
AllianceBernstein
Nashville,
Tennessee
|
-$16.2M |
SLAB Hedge Fund Activity: Q1 2025 in Review
326 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Silicon Laboratories (SLAB) for Q1 2025, worth a combined $3.84B — down 8.4% from $4.19B a quarter earlier.
Buyers outnumbered sellers: 54 funds opened new SLAB positions and 22 closed out — a net gain of 32 holders — while 124 added to existing stakes and 106 trimmed.
The largest buyer was Westfield Capital Management, opening a new position worth an estimated $44.7M. The largest seller was Capital Research Global Investors, cutting an estimated $42.7M.
- 326 institutional investors held Silicon Laboratories (SLAB) as of Q1 2025, up from 296 in Q4 2024.
- Funds reported $3.84B of Silicon Laboratories stock for Q1 2025, down 8.4% quarter-over-quarter.
- 54 funds opened new Silicon Laboratories positions in Q1 2025 and 22 closed out, a net change of +32 holders.
- The largest Silicon Laboratories buyer in Q1 2025 was Westfield Capital Management, an estimated $44.7M added.
- The largest Silicon Laboratories seller in Q1 2025 was Capital Research Global Investors, an estimated $42.7M sold.
Based on aggregated 13F filings for Q1 2025.