Silicon Laboratories
SLAB
378 hedge funds and large institutions have $6.23B invested in Silicon Laboratories in 2026 Q1 according to their latest regulatory filings, with 116 funds opening new positions, 104 increasing their positions, 112 reducing their positions, and 58 closing their positions.
200% more funds holding in top 10
Funds holding in top 10: 1 → 3 (+2)
100% more first-time investments, than exits
New positions opened: 116 | Existing positions closed: 58
42% more capital invested
Capital invested by funds: $4.39B → $6.23B (+$1.84B)
16% more funds holding
Funds holding: 325 → 378 (+53)
7% less repeat investments, than reductions
Existing positions increased: 104 | Existing positions reduced: 112
10% less call options, than puts
Call options by funds: $33M | Put options by funds: $36.7M
11.2% less ownership
Funds ownership: 102.22% → 91.02% (-11%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Balyasny Asset Management
Chicago,
Illinois
|
+$226M |
| 2 |
PCM
Pentwater Capital Management
Naples,
Florida
|
+$91.7M |
| 3 |
Millennium Management
New York
|
+$82.3M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$60.2M |
| 5 |
AA
AQR Arbitrage
Greenwich,
Connecticut
|
+$56.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$894M |
| 2 |
Invesco
Atlanta,
Georgia
|
-$82.7M |
| 3 |
Westfield Capital Management
Boston,
Massachusetts
|
-$71.5M |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
-$69.4M |
| 5 |
Squarepoint
New York
|
-$57.7M |
SLAB Hedge Fund Activity: Q1 2026 in Review
378 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in Silicon Laboratories (SLAB) for Q1 2026, worth a combined $6.23B — up 42% from $4.39B a quarter earlier.
Buyers outnumbered sellers: 116 funds opened new SLAB positions and 58 closed out — a net gain of 58 holders — while 104 added to existing stakes and 112 trimmed.
The largest buyer was Balyasny Asset Management, opening a new position worth an estimated $226M. The largest seller was Fidelity Investments, cutting an estimated $894M.
- 378 institutional investors held Silicon Laboratories (SLAB) as of Q1 2026, up from 325 in Q4 2025.
- Funds reported $6.23B of Silicon Laboratories stock for Q1 2026, up 42% quarter-over-quarter.
- 116 funds opened new Silicon Laboratories positions in Q1 2026 and 58 closed out, a net change of +58 holders.
- The largest Silicon Laboratories buyer in Q1 2026 was Balyasny Asset Management, an estimated $226M added.
- The largest Silicon Laboratories seller in Q1 2026 was Fidelity Investments, an estimated $894M sold.
Based on aggregated 13F filings for Q1 2026.