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Astera Labs
ALAB

657 hedge funds and large institutions have $21.7B invested in Astera Labs in 2025 Q3 according to their latest regulatory filings, with 220 funds opening new positions, 188 increasing their positions, 208 reducing their positions, and 71 closing their positions.

New
Increased
Maintained
Reduced
Closed

210% more first-time investments, than exits

New positions opened: 220 | Existing positions closed: 71

150% more funds holding in top 10

Funds holding in top 10: 6 → 15 (+9)

134% more capital invested

Capital invested by funds: $9.29B → $21.7B (+$12.4B)

28% more funds holding

Funds holding: 513 → 657 (+144)

4.35% more ownership

Funds ownership: 62.3% → 66.65% (+4.3%)

10% less repeat investments, than reductions

Existing positions increased: 188 | Existing positions reduced: 208

16% less call options, than puts

Call options by funds: $1.95B | Put options by funds: $2.34B

Holders
657
Holders Change
+144
Holders Change %
+28.07%
% of All Funds
8.62%
Holding in Top 10
15
Holding in Top 10 Change
+9
Holding in Top 10 Change %
+150%
% of All Funds
0.2%
New
220
Increased
188
Reduced
208
Closed
71
Calls
$1.95B
Puts
$2.34B
Net Calls
-$383M
Net Calls Change
-$425M

Top Buyers

1
BlackRock
BlackRock
New York
+$675M
2
Barclays
Barclays
United Kingdom
+$323M
3
Vanguard Group
Vanguard Group
Pennsylvania
+$279M
4
Amundi
Amundi
France
+$217M
5
Bank of America
Bank of America
North Carolina
+$194M

Top Sellers

1
AllianceBernstein
AllianceBernstein
Tennessee
-$571M
2
Ameriprise
Ameriprise
Minnesota
-$152M
3
AM
Atreides Management
Massachusetts
-$147M
4
FFM
FengHe Fund Management
Singapore
-$141M
5
Fidelity Investments
Fidelity Investments
Massachusetts
-$119M
Name Holding Trade Value Shares
Change 		Change in
Stake
PEAK6
651
PEAK6
Illinois
$555 -$1.85M -11,231 -100%
BHWM
652
Beaird Harris Wealth Management
Texas
$551 +$493 +3 New
GWP
653
Gen-Wealth Partners
Michigan
$392 – – –
PAM
654
Palisade Asset Management
Minnesota
$392 +$329 +2 New
PMFA
655
Plante Moran Financial Advisors
Michigan
$345 -$329 -2 -50%
DCM
656
Davis Capital Management
Florida
$196 +$164 +1 New
SCM
657
Spyglass Capital Management
California
– -$66.4M -734,570 Closed
Norges Bank
658
Norges Bank
Norway
– -$40.1M -443,534 Closed
Artisan Partners
659
Artisan Partners
Wisconsin
– -$27.2M -300,494 Closed
Public Sector Pension Investment Board (PSP Investments)
660
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
– -$26.8M -296,000 Closed
JG
661
Jain Global
New York
– -$18.5M -204,987 Closed
CAU
662
Caxton Associates (UK)
– -$14.8M -163,753 Closed
AM
663
AGF Management
Ontario, Canada
– -$11M -121,981 Closed
ECM
664
ExodusPoint Capital Management
New York
– -$9.1M -100,632 Closed
FGP
665
Freestone Grove Partners
California
– -$7.62M -84,296 Closed
APC
666
Alta Park Capital
California
– -$7.53M -83,318 Closed
SI
667
Sora Investors
Pennsylvania
– -$7.4M -81,833 Closed
GIM
668
Granahan Investment Management
Massachusetts
– -$7.09M -78,456 Closed
Caisse de Depot et Placement du Quebec (CDPQ)
669
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
– -$6.97M -77,100 Closed
RCMU
670
Rokos Capital Management (UK)
United Kingdom
– -$6.61M -73,107 Closed
Twin Tree Management
671
Twin Tree Management
Texas
– -$8.04M -48,887 Closed
JAM
672
Jupiter Asset Management
United Kingdom
– -$3.93M -43,500 Closed
Group One Trading
673
Group One Trading
Illinois
– -$7.13M -43,389 Closed
DCM
674
Discovery Capital Management
Connecticut
– -$3.69M -40,800 Closed
WSA
675
Warm Springs Advisors
California
– -$3.16M -35,000 Closed
25 26
27
28 29

ALAB Hedge Fund Activity: Q3 2025 in Review

657 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Astera Labs (ALAB) for Q3 2025, worth a combined $21.7B — up 134% from $9.29B a quarter earlier.

Buyers outnumbered sellers: 220 funds opened new ALAB positions and 71 closed out — a net gain of 149 holders — while 188 added to existing stakes and 208 trimmed.

The largest buyer was BlackRock, adding an estimated $675M. The largest seller was AllianceBernstein, cutting an estimated $571M.

  • 657 institutional investors held Astera Labs (ALAB) as of Q3 2025, up from 513 in Q2 2025.
  • Funds reported $21.7B of Astera Labs stock for Q3 2025, up 134% quarter-over-quarter.
  • 220 funds opened new Astera Labs positions in Q3 2025 and 71 closed out, a net change of +149 holders.
  • The largest Astera Labs buyer in Q3 2025 was BlackRock, an estimated $675M added.
  • The largest Astera Labs seller in Q3 2025 was AllianceBernstein, an estimated $571M sold.

Based on aggregated 13F filings for Q3 2025.