Alector
ALEC
141 hedge funds and large institutions have $183M invested in Alector in 2026 Q2 according to their latest regulatory filings, with 14 funds opening new positions, 59 increasing their positions, 35 reducing their positions, and 9 closing their positions.
498% more call options, than puts
Call options by funds: $1.57M | Put options by funds: $263K
69% more repeat investments, than reductions
Existing positions increased: 59 | Existing positions reduced: 35
56% more first-time investments, than exits
New positions opened: 14 | Existing positions closed: 9
2% more funds holding
Funds holding: 138 → 141 (+3)
2.09% more ownership
Funds ownership: 80.1% → 82.18% (+2.1%)
3% less capital invested
Capital invested by funds: $190M → $183M (-$6.59M)
25% less funds holding in top 10
Funds holding in top 10: 4 → 3 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACM
ADAR1 Capital Management
Austin,
Texas
|
+$3.93M |
| 2 |
KCM
Kynam Capital Management
Princeton,
New Jersey
|
+$3.88M |
| 3 |
NCM
Nantahala Capital Management
New Canaan,
Connecticut
|
+$3.22M |
| 4 |
AAA
Affinity Asset Advisors
New York
|
+$2.16M |
| 5 |
AQR Capital Management
Greenwich,
Connecticut
|
+$1.28M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FCMI
Foresite Capital Management IV
Larkspur,
California
|
-$8.36M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
-$857K |
| 3 |
Jane Street
New York
|
-$856K |
| 4 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
-$832K |
| 5 |
D.E. Shaw & Co
New York
|
-$799K |
ALEC Hedge Fund Activity: Q2 2026 in Review
141 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Alector (ALEC) for Q2 2026, worth a combined $183M — down 3.5% from $190M a quarter earlier.
Buyers outnumbered sellers: 14 funds opened new ALEC positions and 9 closed out — a net gain of 5 holders — while 59 added to existing stakes and 35 trimmed.
The largest buyer was ADAR1 Capital Management, adding an estimated $3.93M. The largest seller was Foresite Capital Management IV, exiting entirely with an estimated $8.36M sold.
- 141 institutional investors held Alector (ALEC) as of Q2 2026, up from 138 in Q1 2026.
- Funds reported $183M of Alector stock for Q2 2026, down 3.5% quarter-over-quarter.
- 14 funds opened new Alector positions in Q2 2026 and 9 closed out, a net change of +5 holders.
- The largest Alector buyer in Q2 2026 was ADAR1 Capital Management, an estimated $3.93M added.
- The largest Alector seller in Q2 2026 was Foresite Capital Management IV, an estimated $8.36M sold.
Based on aggregated 13F filings for Q2 2026.