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RA Capital Management’s Alector ALEC Stock Holding History

RA Capital Management’s Portfolio ALEC Stock Details ALEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-9,695,228
Closed -$11.9M – 65
2025
Q1 		$11.9M Hold
9,695,228
– – 0.2% 61
2024
Q4 		$18.3M Buy
+9,695,228
New +$36.5M 0.24% 59
2021
Q1 		– Sell
-1,616,879
Closed -$24.5M – 84
2020
Q4 		$24.5M Sell
1,616,879
-2,001,869
-55% -$24.9M 0.34% 53
2020
Q3 		$38.1M Sell
3,618,748
-508,600
-12% -$8.23M 0.7% 38
2020
Q2 		$101M Hold
4,127,348
– – 1.97% 19
2020
Q1 		$99.6M Buy
4,127,348
+3,127,348
+313% +$79.7M 3.15% 10
2019
Q4 		$17.2M Hold
1,000,000
– – 0.52% 28
2019
Q3 		$14.4M Hold
1,000,000
– – 0.86% 23
2019
Q2 		$19M Hold
1,000,000
– – 1.02% 21
2019
Q1 		$18.7M Buy
+1,000,000
New +$18.9M 0.81% 26

Other funds holding ALEC

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
MC
Merck & Co Kenilworth, New Jersey $349M AUM 146.07% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
EP
Eversept Partners New York $1.9B AUM 121.13% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

RA Capital Management's ALEC Position: Q2 2025 in Review

RA Capital Management sold out of Alector (ALEC) in Q2 2025, closing a stake of 9,695,228 shares — an estimated $11.9M sold.

RA Capital Management first reported a position in ALEC in Q1 2019 and held it in 10 quarters. The position peaked at $101M in Q2 2020. 136 funds tracked by Wall St. Rank hold ALEC as of Q2 2025.

  • RA Capital Management reported no remaining Alector position as of Q2 2025 after selling out during the quarter.
  • RA Capital Management sold 9,695,228 Alector shares in Q2 2025, an estimated $11.9M.
  • RA Capital Management first reported a position in Alector in Q1 2019 and held it in 10 quarters.
  • RA Capital Management's Alector position peaked at $101M in Q2 2020.
  • 136 funds tracked by Wall St. Rank held Alector as of Q2 2025.

Based on RA Capital Management's 13F filing for Q2 2025, filed 14 Aug 2025.