AnaptysBio Ownership | Who Owns AnaptysBio?
AnaptysBio Ownership Summary
AnaptysBio is owned by 127.63% institutional investors, 5.82% insiders. Ecor1 capital is the largest institutional shareholder, holding 27.25% of ANAB shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.39% of its assets in AnaptysBio shares.
ANAB Ownership Benchmark
Type | Name | % Inst | % Insiders | % Retail |
---|---|---|---|---|
Stock | AnaptysBio | 127.63% | 5.82% | -33.44% |
Sector | Healthcare Stocks | 488.17% | 11.08% | -399.26% |
Industry | Biotech Stocks | 307.00% | 11.11% | -218.12% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
Holder | Shares | % Holding | Value |
---|---|---|---|
Ecor1 capital | 7.87M | 27.25% | $104.24M |
First light asset management | 3.54M | 12.29% | $78.58M |
Fmr | 3.03M | 10.49% | $40.12M |
Point72 asset management | 2.47M | 8.59% | $54.94M |
Blackrock | 1.77M | 6.47% | $44.35M |
Vanguard group | 1.84M | 6.38% | $24.41M |
Blackrock funding, inc. /de | 1.79M | 6.20% | $39.67M |
Boxer capital | 1.30M | 4.75% | $32.58M |
Tang capital management | 1.33M | 4.62% | $29.55M |
State street | 1.29M | 4.45% | $17.02M |
Top Institutional Shareholders by % of Total Assets
Holder | Shares | % Assets | Value |
---|---|---|---|
Sanofi | 821.92K | 10.38% | $18.25M |
First light asset management | 3.54M | 10.19% | $78.58M |
Ecor1 capital | 7.87M | 3.94% | $104.24M |
Palo alto investors lp | 812.82K | 3.84% | $18.04M |
Boxer capital | 1.30M | 1.72% | $32.58M |
Highmark wealth management | 145.55K | 1.58% | $3.23M |
Tang capital management | 1.33M | 1.49% | $29.55M |
Sofinnova investments | 1.03M | 1.40% | $22.92M |
Sectoral asset management | 83.90K | 1.23% | $1.86M |
683 capital management | 500.00K | 0.73% | $11.10M |
Top Buyers
Holder | Shares | % Assets | Change |
---|---|---|---|
State street | 1.29M | 0.00% | 379.57K |
683 capital management | 500.00K | 0.73% | 304.37K |
Soleus capital management | 321.04K | 0.47% | 218.99K |
Arrowstreet capital, limited partnership | 150.81K | 0.00% | 150.81K |
Vanguard group | 1.84M | 0.00% | 143.58K |
Top Sellers
Holder | Shares | % Assets | Change |
---|---|---|---|
Fairmount funds management | - | - | -1.82M |
Frazier life sciences management | - | - | -1.57M |
First light asset management | 3.54M | 10.19% | -1.09M |
Mangrove partners | - | - | -689.52K |
Camber capital management lp | 125.00K | 0.26% | -625.00K |
New Positions
Holder | Shares | % Assets | Change | Value |
---|---|---|---|---|
Arrowstreet capital, limited partnership | 150.81K | 0.00% | 150.81K | $3.35M |
Lmr partners llp | 140.72K | 0.02% | 140.72K | $1.86M |
Sectoral asset management | 83.90K | 1.23% | 83.90K | $1.86M |
Aquatic capital management | 65.81K | 0.03% | 65.81K | $1.46M |
Bleakley financial group | 37.55K | 0.02% | 37.55K | $833.63K |
Sold Out
Holder | Change |
---|---|
Nelson, van denburg & campbell wealth management group | -4.00 |
Northwestern mutual wealth management | -7.00 |
Riverview trust | -13.00 |
True wealth design | -15.00 |
Creative financial designs inc /adv | -16.00 |
Institutional Ownership Trends
Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
---|---|---|---|---|---|---|---|---|---|---|
Jun 30, 2025 | 151 | -3.82% | 36,769,517 | -7.97% | 127 | 0.75% | 73 | -13.10% | 52 | 13.04% |
Mar 31, 2025 | 12 | -92.26% | 7,471,731 | -78.90% | 24 | 0.16% | 7 | -91.36% | 4 | -88.57% |
Dec 31, 2024 | 153 | -12.07% | 33,843,782 | 0.64% | 117 | 0.86% | 80 | -21.57% | 34 | 3.03% |
Sep 30, 2024 | 173 | 26.28% | 33,610,268 | 12.80% | 116 | 0.98% | 102 | 52.24% | 32 | -28.89% |
Jun 30, 2024 | 137 | -1.44% | 29,796,164 | 1.98% | 108 | 0.92% | 67 | 3.08% | 45 | 12.50% |
Top Mutual Funds Shareholders
Holder | Shares | % Holding | Change |
---|---|---|---|
Vanguard US Total Market Shares ETF | 733.95K | 2.39% | 129.10K |
Vanguard Total Stock Mkt Idx Inv | 668.92K | 2.39% | -14.83K |
Fidelity Small Cap Growth | 625.15K | 2.13% | - |
iShares Russell 2000 ETF | 461.23K | 1.65% | -8.82K |
FIAM Small Cap Core Composite | 460.10K | 1.57% | -11.00K |
US Small-Cap Growth II Equity Comp | 440.07K | 1.50% | -105.21K |
T. Rowe Price New Horizons | 440.07K | 1.50% | -54.89K |
Fidelity Advisor Biotechnology I | 423.10K | 1.38% | - |
FIAM Small Cap Core CIT Cl B | 341.50K | 1.16% | -118.60K |
T. Rowe Price Health Sciences | 348.01K | 1.14% | -19.42K |
Recent Insider Transactions
Date | Name | Role | Activity | Value |
---|---|---|---|---|
Aug 08, 2025 | RENTON HOLLINGS | - | Sell | $60.46K |
Aug 08, 2025 | RENTON HOLLINGS | - | Sell | $140.26K |
Jul 02, 2025 | RENTON HOLLINGS | - | Sell | $167.41K |
Jul 02, 2025 | RENTON HOLLINGS | - | Sell | $325.78K |
Jun 18, 2025 | FENTON DENNIS M | - | Sell | $72.27K |
Insider Transactions Trends
Date | Buy | Sell |
---|---|---|
2025 Q3 | - | 2 |
2025 Q2 | - | 2 |
2025 Q1 | 1 | - |
2024 Q4 | 2 | 1 |
2024 Q3 | 1 | 11 |
ANAB Ownership FAQ
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