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Alector

136 hedge funds and large institutions have $98.7M invested in Alector in 2025 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 47 increasing their positions, 37 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,105% more call options, than puts

Call options by funds: $229K | Put options by funds: $19K

27% more repeat investments, than reductions

Existing positions increased: 47 | Existing positions reduced: 37

10% more capital invested

Capital invested by funds: $89.8M → $98.7M (+$8.93M)

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

2.77% less ownership

Funds ownership: 73.28%70.51% (-2.8%)

4% less funds holding

Funds holding: 141136 (-5)

23% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 22

Holders
136
Holders Change
-5
Holders Change %
-3.55%
% of All Funds
1.79%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
17
Increased
47
Reduced
37
Closed
22
Calls
$229K
Puts
$19K
Net Calls
+$210K
Net Calls Change
-$163K

ALEC Hedge Fund Activity: Q2 2025 in Review

136 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Alector (ALEC) for Q2 2025, worth a combined $98.7M — up 9.9% from $89.8M a quarter earlier.

Sellers outnumbered buyers: 22 funds closed out of ALEC and 17 opened new positions — a net loss of 5 holders — while 37 trimmed existing stakes and 47 added.

The largest buyer was T. Rowe Price Associates, adding an estimated $5.26M. The largest seller was RA Capital Management, exiting entirely with an estimated $11.9M sold.

  • 136 institutional investors held Alector (ALEC) as of Q2 2025, down from 141 in Q1 2025.
  • Funds reported $98.7M of Alector stock for Q2 2025, up 9.9% quarter-over-quarter.
  • 17 funds opened new Alector positions in Q2 2025 and 22 closed out, a net change of -5 holders.
  • The largest Alector buyer in Q2 2025 was T. Rowe Price Associates, an estimated $5.26M added.
  • The largest Alector seller in Q2 2025 was RA Capital Management, an estimated $11.9M sold.

Based on aggregated 13F filings for Q2 2025.