13FBOX
ALECTOR INC COM · 13F Institutional Holdings
Options Calculator Rankings
A

ALECTOR INC COM

ALEC
Institutions
141
Combined AUM (Q2 2026)
$185.2M
Combined Shares (Q2 2026)
92.1M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+11.2M
71 · 12 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-7.8M
47 · 10 Exit · ≈
⚖️ Net
+3.4M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$185.2M
Institutions
141
New Buys
12
Adds
59
Reduces
37
Exits
10
Unchanged
33
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
TCG Crossover Management, LLC
0.48%0.62%#5$20.1M10.0M$21.5M10.0M00.00%Unchanged
BlackRock, Inc.
<0.01%<0.01%#60$15.8M7.8M$16.6M7.7M+106,634+1.38%Add
ACADIAN ASSET MANAGEMENT LLC
0.01%0.01%#21$8.9M4.4M$8.7M4.0M+375,560+9.30%Add
Nantahala Capital Management, LLC
0.29%0.22%#12$8.7M4.3M$6.1M2.8M+1.5M+53.34%Add
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#65$8.1M4.0M$7.9M3.7M+330,618+8.99%Add
Kynam Capital Management, LP
0.42%0.27%#7$7.7M3.8M$4.3M2.0M+1.8M+90.42%Add
BALYASNY ASSET MANAGEMENT L.P.
0.01%0.01%#23$7.5M3.8M$6.3M2.9M+816,073+27.80%Add
Merck & Co., Inc.
1.35%2.18%#2$7.1M3.5M$7.6M3.5M00.00%Unchanged
683 Capital Management, LLC
0.32%0.36%#10$6.4M3.2M$6.9M3.2M00.00%Unchanged
D. E. Shaw & Co., Inc.
<0.01%<0.01%#29$5.9M3.0M$7.2M3.3M-372,852-11.19%Reduce
ADAR1 Capital Management, LLC
0.27%0.13%#13$5.8M2.9M$2.3M1.1M+1.8M+174.63%Add
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%<0.01%#58$5.7M2.8M$5.6M2.6M+236,951+9.17%Add
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#57$4.9M2.5M$4.9M2.3M+168,053+7.35%Add
Spruce Street Capital LP
0.83%1.09%#3$4.2M2.1M$4.5M2.1M00.00%Unchanged
MILLENNIUM MANAGEMENT LLC
<0.01%<0.01%#37$4.0M2.0M$4.3M2.0M+9,609+0.49%Add
Ikarian Capital, LLC
0.42%0.36%#8$4.0M2.0M$4.5M2.1M-100,000-4.80%Reduce
STATE STREET CORP
<0.01%<0.01%#75$3.8M1.9M$4.0M1.9M+14,239+0.76%Add
JACOBS LEVY EQUITY MANAGEMENT, INC
0.01%0.02%#20$3.5M1.8M$4.6M2.2M-388,432-18.03%Reduce
MEDICI CAPITAL LLC
6.51%4.37%#1$3.3M1.7M$3.6M1.7M00.00%Unchanged
Affinity Asset Advisors, LLC
0.14%0.06%#15$3.0M1.5M$1.1M500,000+1.0M+202.00%Add
Eversept Partners, LP
0.15%0.15%#14$2.9M1.4M$2.9M1.4M+72,767+5.39%Add
FMR LLC
<0.01%<0.01%#72$2.8M1.4M$3.9M1.8M-399,706-22.25%Reduce
AQR CAPITAL MANAGEMENT LLC
<0.01%<0.01%#41$2.6M1.3M$1.5M711,334+598,243+84.10%Add
Euclidean Capital LLC
0.6%0.72%#4$2.6M1.3M$2.8M1.3M00.00%Unchanged
MACKENZIE FINANCIAL CORP
<0.01%<0.01%#32$2.2M1.1M$1.8M857,354+252,416+29.44%Add
DEUTSCHE BANK AG\
<0.01%<0.01%#46$2.2M1.1M$2.3M1.1M+5,485+0.50%Add
DEERFIELD MANAGEMENT COMPANY, L.P.
0.02%0.03%#17$2.1M1.1M$2.3M1.1M00.00%Unchanged
TWO SIGMA INVESTMENTS, LP
<0.01%<0.01%#34$2.1M1.0M$2.8M1.3M-233,930-18.29%Reduce
RENAISSANCE TECHNOLOGIES LLC
<0.01%<0.01%#30$1.9M935,166$2.8M1.3M-352,525-27.38%Reduce
DAFNA Capital Management LLC
0.35%0.44%#9$1.8M908,351$2.0M908,35100.00%Unchanged
Elmind Capital, LP
0.45%0.55%#6$1.8M900,000$1.9M900,00000.00%Unchanged
PANAGORA ASSET MANAGEMENT INC
0.01%<0.01%#25$1.7M845,999$1.3M590,388+255,611+43.30%Add
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#61$1.6M818,831$1.7M787,408+31,423+3.99%Add
NORTHERN TRUST CORP
<0.01%<0.01%#63$1.6M773,462$1.5M692,256+81,206+11.73%Add
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#56$1.3M663,592$1.2M577,939+85,653+14.82%Add
MARSHALL WACE, LLP
<0.01%<0.01%#40$1.2M598,559$1.3M620,424-21,865-3.52%Reduce
BOOTHBAY FUND MANAGEMENT, LLC
0.01%0.02%#19$1.1M532,850$1.2M559,726-26,876-4.80%Reduce
CITADEL ADVISORS LLC
<0.01%<0.01%#73$1.0M500,132$234,877109,245+390,887+357.81%Add
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#88$872,089433,875$1.3M604,562-170,687-28.23%Reduce
XTX Topco Ltd
0.01%0.02%#22$803,359399,681$1.2M559,896-160,215-28.62%Reduce
CANTOR FITZGERALD, L. P.
0.01%#24$593,939295,492$00+295,492New Buy
UBS Group AG
<0.01%<0.01%#90$550,298273,780$312,490145,344+128,436+88.37%Add
Invesco Ltd.
<0.01%<0.01%#99$516,849257,139$569,893265,067-7,928-2.99%Reduce
Bank of New York Mellon Corp
<0.01%<0.01%#84$502,688250,093$542,440252,297-2,204-0.87%Reduce
AMERIPRISE FINANCIAL INC
<0.01%<0.01%#81$451,305224,530$583,234271,272-46,742-17.23%Reduce
LMR Partners LLP
<0.01%#35$402,000200,000$00+200,000New Buy
NANO CAP NEW MILLENNIUM GROWTH FUND L P
0.31%0.4%#11$402,000200,000$430,000200,00000.00%Unchanged
Nuveen, LLC
<0.01%<0.01%#83$354,230176,234$333,100154,930+21,304+13.75%Add
SUSQUEHANNA INTERNATIONAL GROUP, LLP
<0.01%<0.01%#108$346,570172,423$578,989269,297-96,874-35.97%Reduce
Utah Retirement Systems
<0.01%<0.01%#28$310,123154,290$331,724154,29000.00%Unchanged

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow