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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
TFCM
176
Taylor Frigon Capital Management
Arizona
$5.15M -$556K -3,381 -11%
CM
177
Castleark Management
Illinois
$5.13M -$5.81M -35,309 -57%
EFS
178
Essex Financial Services
Connecticut
$5.12M -$33.9K -206 -0.8%
WMP
179
Wealth Management Partners
Arizona
$5.11M -$48K -292 -1%
Zurich Cantonal Bank
180
Zurich Cantonal Bank
Switzerland
$5.06M +$268K +1,628 +7%
VanEck Associates
181
VanEck Associates
New York
$5.03M +$1.21M +7,340 +40%
BOH
182
Bank of Hawaii
Hawaii
$4.97M +$4.28K +26 +0.1%
Principal Financial Group
183
Principal Financial Group
Iowa
$4.91M +$2.91M +17,717 +241%
GIPM
184
G2 Investment Partners Management
New York
$4.86M -$17.9M -108,866 -81%
SPC
185
Sigma Planning Corp
Michigan
$4.48M -$433K -2,635 -10%
EAM
186
EFG Asset Management
Oregon
$4.22M -$764K -4,644 -18%
TC
187
Tairen Capital
Hong Kong
$4.1M +$3.44M +20,950 New
CCM
188
Crestwood Capital Management
New York
$4.1M – – –
URS
189
Utah Retirement Systems
Utah
$4.07M +$2.18M +13,231 +175%
CFM
190
Catalyst Funds Management
Australia
$4.07M +$3.42M +20,800 New
SG Americas Securities
191
SG Americas Securities
New York
$4.04M +$3.39M +20,631 New
EC
192
Estate Counselors
Wisconsin
$4.04M +$3.39M +20,619 New
Rockefeller Capital Management
193
Rockefeller Capital Management
New York
$4.02M +$1.33M +8,067 +65%
SWP
194
Stratos Wealth Partners
Ohio
$4.01M -$813K -4,942 -19%
QCM
195
Quantinno Capital Management
New York
$3.95M +$619K +3,767 +23%
Mariner
196
Mariner
Kansas
$3.95M +$846K +5,145 +34%
SAM
197
Silvercrest Asset Management
New York
$3.75M -$1.96M -11,922 -38%
FMI
198
F/M Investments
District of Columbia
$3.71M -$702K -4,267 -18%
Pictet Asset Management
199
Pictet Asset Management
Switzerland
$3.66M +$156K +951 +5%
MMEA
200
Main Management ETF Advisors
California
$3.64M +$648K +3,940 +27%
6 7
8
9 10

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.