13FBOX
ANNEXON INC · 13F Institutional Holdings
Options Calculator Rankings

ANNEXON INC

ANNX
Institutions
218
Combined AUM (Q2 2026)
$1.03B
Combined Shares (Q2 2026)
179.9M
Overall Trend
Increase
All institutions combined
📥 Inflow (Q1 2026→Q2 2026)
+42.9M
115 · 31 New Buys · ≈
📤 Outflow (Q1 2026→Q2 2026)
-20.4M
107 · 30 Exit · ≈
⚖️ Net
+22.6M
Net Buy
💰 Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$1.03B
Institutions
218
New Buys
31
Adds
84
Reduces
77
Exits
30
Unchanged
26
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
FMR LLC
<0.01%<0.01%#73$111.5M19.5M$58.9M10.6M+8.9M+83.52%Add
BlackRock, Inc.
<0.01%<0.01%#110$77.3M13.5M$60.6M10.9M+2.6M+23.78%Add
Redmile Group, LLC
4.55%5.34%#2$67.8M11.9M$80.6M14.5M-2.7M-18.42%Reduce
STATE STREET CORP
<0.01%<0.01%#98$56.1M9.8M$38.3M6.9M+2.9M+41.99%Add
BVF INC/IL
1.27%1.54%#7$49.7M8.7M$48.2M8.7M00.00%Unchanged
Woodline Partners LP
0.12%0.05%#21$39.5M6.9M$12.9M2.3M+4.6M+196.31%Add
VANGUARD CAPITAL MANAGEMENT LLC
<0.01%<0.01%#124$39.2M6.9M$33.0M6.0M+914,426+15.35%Add
MAK CAPITAL ONE LLC
4.69%3.86%#1$33.5M5.9M$26.2M4.7M+1.1M+24.09%Add
GOLDMAN SACHS GROUP INC
<0.01%<0.01%#85$33.3M5.8M$11.9M2.2M+3.7M+170.59%Add
Siren, L.L.C.
0.52%0.61%#12$25.5M4.5M$21.9M4.0M+500,000+12.63%Add
Bain Capital Life Sciences Investors, LLC
1.51%2.6%#6$25.3M4.4M$28.9M5.2M-774,943-14.87%Reduce
Bellevue Group AG
0.49%0.68%#13$23.4M4.1M$28.6M5.2M-1.1M-20.50%Reduce
GEODE CAPITAL MANAGEMENT, LLC
<0.01%<0.01%#108$23.1M4.0M$18.7M3.4M+659,370+19.52%Add
MPM BioImpact LLC
1.23%#8$20.2M3.5M$00+3.5MNew Buy
AMERIPRISE FINANCIAL INC
<0.01%<0.01%#76$20.0M3.5M$19.1M3.4M+60,502+1.75%Add
ADAGE CAPITAL PARTNERS GP, L.L.C.
0.03%0.04%#41$20.0M3.5M$23.8M4.3M-800,000-18.60%Reduce
GREAT POINT PARTNERS LLC
3.78%3.18%#3$20.0M3.5M$13.9M2.5M+1.0M+40.00%Add
MORGAN STANLEY
<0.01%<0.01%#117$18.0M3.1M$9.2M3.0M+114,605+3.78%Add
Palo Alto Investors LP
2.46%2.5%#5$16.8M2.9M$16.3M2.9M00.00%Unchanged
BALYASNY ASSET MANAGEMENT L.P.
0.02%0.03%#46$16.2M2.8M$21.5M3.9M-1.1M-27.17%Reduce
Nuveen, LLC
<0.01%0.01%#77$15.8M2.8M$23.5M4.2M-1.5M-34.88%Reduce
Qube Research & Technologies Ltd
0.01%0.02%#49$15.7M2.7M$17.3M3.1M-364,353-11.70%Reduce
VANGUARD PORTFOLIO MANAGEMENT LLC
<0.01%<0.01%#135$12.8M2.2M$8.2M1.5M+763,710+51.49%Add
Opaleye Management Inc.
0.89%1.7%#10$9.8M1.7M$12.9M2.3M-617,310-26.47%Reduce
Logos Global Management LP
0.37%#16$8.6M1.5M$00+1.5MNew Buy
DIMENSIONAL FUND ADVISORS LP
<0.01%<0.01%#100$8.6M1.5M$5.1M924,078+573,678+62.08%Add
Point72 Asset Management, L.P.
0.01%0.01%#61$7.9M1.4M$10.4M1.9M-489,096-26.13%Reduce
NORTHERN TRUST CORP
<0.01%<0.01%#122$7.7M1.4M$6.0M1.1M+265,144+24.39%Add
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
<0.01%<0.01%#116$7.2M1.3M$6.1M1.1M+155,354+14.09%Add
Tetragon Partners GP Ltd
1.12%1.39%#9$7.1M1.2M$7.2M1.3M-50,000-3.87%Reduce
Candriam S.C.A.
0.03%#39$6.8M1.2M$00+1.2MNew Buy
MILLENNIUM MANAGEMENT LLC
<0.01%<0.01%#87$6.8M1.2M$6.9M1.2M-53,747-4.34%Reduce
VANGUARD FIDUCIARY TRUST CO
<0.01%<0.01%#102$6.3M1.1M$4.9M888,552+216,898+24.41%Add
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
<0.01%<0.01%#93$5.9M1.0M$5.0M903,368+133,998+14.83%Add
JPMORGAN CHASE & CO
<0.01%<0.01%#157$5.6M1.0M$1.6M323,894+680,414+210.07%Add
WELLS FARGO & COMPANY/MN
<0.01%<0.01%#121$5.6M978,055$3.9M698,739+279,316+39.97%Add
PANAGORA ASSET MANAGEMENT INC
0.02%#48$5.5M967,926$00+967,926New Buy
CITADEL ADVISORS LLC
<0.01%<0.01%#133$5.3M920,182$4.9M887,335+32,847+3.70%Add
KENNEDY CAPITAL MANAGEMENT LLC
0.09%0.11%#24$5.1M898,394$5.1M912,323-13,929-1.53%Reduce
Ishara Investments LP
3.38%0.91%#4$4.7M820,000$965,345174,250+645,750+370.59%Add
Ensign Peak Advisors, Inc
0.01%0.01%#64$4.6M800,516$3.5M625,097+175,419+28.06%Add
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
<0.01%#94$4.2M737,935$00+737,935New Buy
Y-Intercept (Hong Kong) Ltd
0.08%0.14%#26$4.2M734,585$7.3M1.3M-585,328-44.35%Reduce
Russell Investments Group, Ltd.
<0.01%<0.01%#83$4.0M705,291$3.9M711,380-6,089-0.86%Reduce
AQR CAPITAL MANAGEMENT LLC
<0.01%<0.01%#103$4.0M691,812$4.3M777,253-85,441-10.99%Reduce
SUSQUEHANNA INTERNATIONAL GROUP, LLP
<0.01%<0.01%#161$3.7M641,594$2.5M457,540+184,054+40.23%Add
Parkman Healthcare Partners LLC
0.37%0.39%#15$3.7M641,029$3.7M674,013-32,984-4.89%Reduce
ACADIAN ASSET MANAGEMENT LLC
<0.01%0.01%#75$3.6M629,127$4.2M758,232-129,105-17.03%Reduce
UBS Group AG
<0.01%<0.01%#144$3.6M623,094$7.2M1.3M-672,847-51.92%Reduce
DEUTSCHE BANK AG\
<0.01%<0.01%#112$3.5M616,489$3.1M562,181+54,308+9.66%Add

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow