Astera Labs
ALAB
391 hedge funds and large institutions have $5.86B invested in Astera Labs in 2025 Q1 according to their latest regulatory filings, with 85 funds opening new positions, 167 increasing their positions, 106 reducing their positions, and 111 closing their positions.
58% more repeat investments, than reductions
Existing positions increased: 167 | Existing positions reduced: 106
1.08% more ownership
Funds ownership: 59.46% → 60.54% (+1.1%)
8% less call options, than puts
Call options by funds: $329M | Put options by funds: $358M
7% less funds holding
Funds holding: 421 → 391 (-30)
23% less first-time investments, than exits
New positions opened: 85 | Existing positions closed: 111
53% less capital invested
Capital invested by funds: $12.5B → $5.86B (-$6.63B)
69% less funds holding in top 10
Funds holding in top 10: 16 → 5 (-11)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
+$414M |
| 2 |
AM
Atreides Management
Boston,
Massachusetts
|
+$260M |
| 3 |
VARA
Value Aligned Research Advisors
Princeton,
New Jersey
|
+$110M |
| 4 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$94.1M |
| 5 |
Bank of Nova Scotia
Toronto,
Ontario, Canada
|
+$86.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jennison Associates
New York
|
-$230M |
| 2 |
Massachusetts Financial Services
Boston,
Massachusetts
|
-$222M |
| 3 |
Invesco
Atlanta,
Georgia
|
-$202M |
| 4 |
BlackRock
New York
|
-$185M |
| 5 |
1832 Asset Management
Toronto,
Ontario, Canada
|
-$141M |
ALAB Hedge Fund Activity: Q1 2025 in Review
391 of the 7,471 institutional investors tracked by Wall St. Rank reported a position in Astera Labs (ALAB) for Q1 2025, worth a combined $5.86B — down 53% from $12.5B a quarter earlier.
Sellers outnumbered buyers: 111 funds closed out of ALAB and 85 opened new positions — a net loss of 26 holders — while 106 trimmed existing stakes and 167 added.
The largest buyer was AllianceBernstein, adding an estimated $414M. The largest seller was Jennison Associates, exiting entirely with an estimated $230M sold.
- 391 institutional investors held Astera Labs (ALAB) as of Q1 2025, down from 421 in Q4 2024.
- Funds reported $5.86B of Astera Labs stock for Q1 2025, down 53% quarter-over-quarter.
- 85 funds opened new Astera Labs positions in Q1 2025 and 111 closed out, a net change of -26 holders.
- The largest Astera Labs buyer in Q1 2025 was AllianceBernstein, an estimated $414M added.
- The largest Astera Labs seller in Q1 2025 was Jennison Associates, an estimated $230M sold.
Based on aggregated 13F filings for Q1 2025.