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PDT Partners’s Astera Labs ALAB Stock Holding History

PDT Partners’s Portfolio ALAB Stock Details ALAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.05M Hold
9,559
– – 0.06% 331
2025
Q4 		$1.59M Sell
9,559
-700
-7% -$117K 0.1% 287
2025
Q3 		$2.01M Sell
10,259
-114,383
-92% -$18.8M 0.13% 252
2025
Q2 		$11.3M Buy
124,642
+71,485
+134% +$5.65M 0.64% 14
2025
Q1 		$3.17M Buy
53,157
+28,121
+112% +$2.6M 0.23% 150
2024
Q4 		$3.32M Sell
25,036
-9,964
-28% -$935K 0.29% 113
2024
Q3 		$1.83M Buy
+35,000
New +$1.64M 0.16% 229

Other funds holding ALAB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
AM
Atreides Management Boston, Massachusetts $5B AUM 78.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FAM
Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Amundi
Amundi Paris, France $367B AUM 31.23% 1-Year Est. Return

PDT Partners's ALAB Position: Q1 2026 in Review

PDT Partners held its Astera Labs (ALAB) position steady in Q1 2026 at 9,559 shares worth $1.05M. The position accounts for 0.06% of the portfolio, ranked #331.

PDT Partners first reported a position in ALAB in Q3 2024 and has held it in 7 quarters since. The position peaked at $11.3M in Q2 2025. 703 funds tracked by Wall St. Rank hold ALAB as of Q1 2026.

  • PDT Partners held 9,559 shares of Astera Labs worth $1.05M as of Q1 2026.
  • PDT Partners left its Astera Labs share count unchanged in Q1 2026.
  • Astera Labs made up 0.06% of PDT Partners's portfolio in Q1 2026, its #331 holding.
  • PDT Partners first reported a position in Astera Labs in Q3 2024 and has held it in 7 quarters since.
  • PDT Partners's Astera Labs position peaked at $11.3M in Q2 2025.
  • 703 funds tracked by Wall St. Rank held Astera Labs as of Q1 2026.

Based on PDT Partners's 13F filing for Q1 2026, filed 15 May 2026.