Syndax Pharmaceuticals Ownership | Who Owns Syndax Pharmaceuticals?
Syndax Pharmaceuticals Ownership Summary
Syndax Pharmaceuticals is owned by 17.47% institutional investors, 1.72% insiders, and 80.81% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 9.53% of SNDX shares. Vanguard Health Care Inv is the top mutual fund, with 3.50% of its assets in Syndax Pharmaceuticals shares.
SNDX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Syndax Pharmaceuticals | 17.47% | 1.72% | 80.81% |
| Sector | Healthcare Stocks | 35.58% | 11.87% | 52.55% |
| Industry | Biotech Stocks | 35.75% | 11.83% | 52.41% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 8.25M | 9.53% | $192.82M |
| Kynam capital management, lp | 8.05M | 9.29% | $188.07M |
| Blackrock | 7.91M | 9.28% | $162.33M |
| Vanguard group | 6.23M | 7.19% | $130.90M |
| Goldman sachs group | 5.00M | 5.77% | $116.72M |
| State street | 4.43M | 5.11% | $103.49M |
| Deerfield management company, l.p. (series c) | 3.78M | 4.36% | $88.30M |
| Adage capital partners gp | 3.31M | 3.84% | $50.95M |
| Eversept partners, lp | 2.89M | 3.33% | $67.41M |
| Kingdon capital management | 2.50M | 2.89% | $58.40M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Kynam capital management, lp | 8.05M | 11.60% | $188.07M |
| Aisling capital management lp | 1.32M | 6.46% | $30.76M |
| Kingdon capital management | 2.50M | 6.41% | $58.40M |
| Knott david m jr | 422.00K | 5.87% | $9.86M |
| Stempoint capital lp | 1.22M | 5.52% | $28.40M |
| Catalio capital management, lp | 1.04M | 5.09% | $24.38M |
| Lion point capital, lp | 36.00K | 5.03% | $840.96K |
| Eversept partners, lp | 2.89M | 3.55% | $67.41M |
| Palo alto investors lp | 864.99K | 3.09% | $20.21M |
| Prosight management, lp | 770.00K | 2.95% | $17.99M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Deerfield management company, l.p. (series c) | 3.78M | 1.04% | 3.78M |
| Adage capital partners gp | 3.31M | 0.08% | 1.88M |
| Vanguard group | 6.23M | 0.00% | 1.09M |
| Orbimed advisors | 962.30K | 0.45% | 962.30K |
| Vanguard fiduciary trust | 600.52K | 0.00% | 600.52K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Point72 asset management | 1.99M | 0.06% | -2.90M |
| Avoro capital advisors | - | - | -2.27M |
| Bvf inc/il | - | - | -1.88M |
| Balyasny asset management | 126.14K | 0.00% | -1.69M |
| Sofinnova investments | - | - | -1.52M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Deerfield management company, l.p. (series c) | 3.78M | 1.04% | 3.78M | $88.30M |
| Orbimed advisors | 962.30K | 0.45% | 962.30K | $22.48M |
| Vanguard fiduciary trust | 600.52K | 0.00% | 600.52K | $14.03M |
| Ikarian capital | 333.73K | 0.52% | 333.73K | $5.13M |
| Essex investment management | 198.99K | 0.74% | 198.99K | $4.65M |
Sold Out
| Holder | Change |
|---|---|
| Tfc financial management | -1.00 |
| Nelson, van denburg & campbell wealth management group | -13.00 |
| Riggs asset managment | -26.00 |
| Svb wealth | -27.00 |
| Stephens consulting | -30.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 94 | -61.94% | 15,133,904 | -84.85% | 17 | 0.13% | 45 | -62.18% | 23 | -70.13% |
| Dec 31, 2025 | 166 | -32.52% | 53,238,549 | -47.45% | 61 | 0.45% | 78 | -39.06% | 46 | -34.29% |
| Sep 30, 2025 | 238 | 5.78% | 101,267,970 | 8.78% | 117 | 1.01% | 123 | 6.03% | 69 | 13.11% |
| Jun 30, 2025 | 232 | - | 101,730,191 | 1.68% | 117 | 0.86% | 116 | -3.33% | 65 | 1.56% |
| Mar 31, 2025 | 233 | 2.19% | 100,944,775 | 2.97% | 117 | 0.90% | 119 | -7.03% | 65 | 10.17% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Health Care Inv | 2.99M | 3.50% | - |
| Vanguard Total Stock Mkt Idx Inv | 2.80M | 3.17% | 46.05K |
| Vanguard US Total Market Shares ETF | 2.60M | 3.01% | 4.69K |
| State Street® SPDR® S&P® Biotech ETF | 2.61M | 2.95% | -25.85K |
| iShares Russell 2000 ETF | 2.02M | 2.28% | 17.01K |
| SPDR® S&P Biotech ETF | 1.54M | 1.78% | 3.43K |
| Eventide Healthcare & Life Sciences I | 1.24M | 1.40% | 249.06K |
| Hood River Small-Cap Growth Instl | 1.21M | 1.37% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 980.08K | 1.11% | 7.91K |
| BNP Paribas US Small Cap ClassicC | 954.94K | 1.08% | 29.16K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Feb 09, 2026 | Metzger Michael A | Chief Executive Officer | Sell | $360.82K |
| Feb 09, 2026 | Goldan Keith A. | Chief Financial Officer | Sell | $71.71K |
| Feb 06, 2026 | Metzger Michael A | Chief Executive Officer | Sell | $152.84K |
| Feb 06, 2026 | Goldan Keith A. | Chief Financial Officer | Sell | $42.93K |
| Sep 08, 2025 | Metzger Michael A | Chief Executive Officer | Sell | $2.58M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 4 |
| 2025 Q4 | - | - |
| 2025 Q3 | - | 6 |
| 2025 Q2 | 4 | - |
| 2025 Q1 | - | 4 |
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