Syndax PharmaceuticalsSNDX
13F holders, Q2 2025 (June 30)216holders −2
30new positions
32sold out
7famous investors
$9.36avg. 13F price*
At the end of Q2 2025, 216 institutions reported holding Syndax Pharmaceuticals Inc. (SNDX) in their 13F filings, down 2 from Q1 2025. 30 opened new positions and 32 sold out. The largest holders were BlackRock, Inc. ($97.9M), Kynam Capital Management, LP ($79.8M) and Goldman Sachs Group Inc. ($54.3M). 7 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Syndax Pharmaceuticals Inc.
- CUSIP
- 87164F105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 30 | $16.1M |
| Exits | 32 | $40.4M |
All 13F filers, Q1 2025 → Q2 2025: 18,109,691 shares bought and 17,339,771 shares sold, net +769,920 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 216 holders
| BlackRock, Inc. | 0.00% | Add +22.4% | 10,456,907 | $97.9M |
| Kynam Capital Management, LP | 8.59% | No change | 8,520,000 | $79.8M |
| Goldman Sachs Group Inc. | 0.01% | Add +47.8% | 5,797,195 | $54.3M |
| Vanguard Group Inc. | 0.00% | Add +3.3% | 5,033,934 | $47.1M |
| Eversept Partners, LP | 3.84% | Reduce -3.5% | 4,065,355 | $38.1M |
| Bank of America Corp. | 0.00% | Add +33.7% | 3,838,872 | $36.0M |
| State Street Corp. | 0.00% | Reduce -13.3% | 3,442,752 | $32.2M |
| Stempoint Capital LP | 7.15% | Add +48.4% | 2,372,634 | $22.2M |
| Franklin Resources Inc. | 0.01% | Add +14.5% | 2,359,677 | $22.1M |
| Point72 Asset Management | 0.05% | Reduce -46.9% | 2,127,467 | $19.9M |
| Catalio Capital Management, LP | 4.13% | Add +21.4% | 2,104,512 | $19.7M |
| Kingdon Capital Management, L.L.C. | 3.80% | Add +5.0% | 2,100,000 | $19.7M |
| Geode Capital Management, LLC | 0.00% | Add +1.3% | 2,049,350 | $19.2M |
| Assenagon Asset Management S.A. | 0.03% | No change | 2,039,987 | $19.1M |
| Woodline Partners LP | 0.09% | Add +0.1% | 1,892,751 | $17.7M |
| Qube Research & Technologies Ltd | 0.02% | Add +99.5% | 1,665,916 | $15.6M |
| Millennium Management | 0.01% | Add +272.9% | 1,598,613 | $15.0M |
| Sphera Funds Management LTD. | 3.85% | Reduce -5.5% | 1,571,564 | $14.7M |
| Sofinnova Investments, Inc. | 0.97% | Reduce -33.0% | 1,524,440 | $14.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Add +18.4% | 1,445,440 | $13.5M |
| UBS Group AG | 0.00% | Reduce -16.3% | 1,435,415 | $13.4M |
| Adage Capital Partners Gp, L.L.C. | 0.02% | Add +126.8% | 1,432,440 | $13.4M |
| Eventide Asset Management, LLC | 0.23% | Add +20.0% | 1,414,081 | $13.2M |
| Aisling Capital Management LP | 3.43% | Add +28.5% | 1,316,806 | $12.3M |
| Soleus Capital Management, L.P. | 0.71% | Add +33.7% | 1,092,110 | $10.2M |
| Prosight Management, LP | 2.47% | Add +77.2% | 1,079,673 | $10.1M |
| Algert Global LLC | 0.20% | Add +15.4% | 1,021,280 | $9.6M |
| Granahan Investment Management, LLC | 0.38% | Add +80.3% | 991,388 | $9.3M |
| Parkman Healthcare Partners LLC | 0.94% | Add +45.9% | 867,813 | $8.1M |
| Morgan Stanley | 0.00% | Reduce -62.8% | 849,236 | $8.0M |
| Renaissance Technologies | 0.01% | Add +22.9% | 837,700 | $7.8M |
| Northern Trust Corp. | 0.00% | Reduce -1.1% | 770,451 | $7.2M |
| Nantahala Capital Management, LLC | 0.50% | Add +36.1% | 754,503 | $7.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.3% | 712,310 | $6.7M |
| Ensign Peak Advisors, Inc | 0.01% | No change | 689,064 | $6.5M |
| Candriam S.C.A. | 0.04% | Add +49.9% | 675,085 | $6.3M |
| Casdin Capital, LLC | 0.55% | Add +2.4% | 650,000 | $6.1M |
| D. E. Shaw & Co. | 0.01% | Reduce -18.2% | 644,542 | $6.0M |
| Citadel Advisors | 0.01% | Reduce -78.0% | 640,000 | $6.0M |
| Zimmer Partners, LP | 0.13% | Add +184.2% | 605,800 | $5.7M |
| Rhenman & Partners Asset Management AB | 0.68% | Add +32.6% | 574,000 | $5.4M |
| Two Sigma Investments, LP | 0.01% | Reduce -28.6% | 556,971 | $5.2M |
| DAFNA Capital Management LLC | 1.43% | Reduce -0.2% | 543,602 | $5.1M |
| Caption Management, LLC | 0.44% | Add +177.3% | 504,471 | $4.7M |
| Saturn V Capital Management LP | 1.90% | Reduce -51.9% | 500,551 | $4.7M |
| BNP Paribas Financial Markets | 0.00% | Add +130.4% | 499,903 | $4.7M |
| Dimensional Fund Advisors LP | 0.00% | Add +4.7% | 487,647 | $4.6M |
| Palo Alto Investors LP | 0.89% | No change | 444,367 | $4.2M |
| Hudson Bay Capital Management LP | 0.03% | Add +77.3% | 443,300 | $4.2M |
| Silverarc Capital Management, LLC | 0.77% | Reduce -69.2% | 402,964 | $3.8M |
| Two Sigma Advisers, LP | 0.01% | Reduce -22.0% | 392,452 | $3.7M |
| Barclays PLC | 0.00% | Add +91.5% | 382,966 | $3.6M |
| Jump Financial, LLC | 0.04% | New | 381,035 | $3.6M |
| Susquehanna International Group, LLP | 0.01% | Add +12.6% | 371,463 | $3.5M |
| Knott David M Jr | 1.50% | Add +175.6% | 352,778 | $3.3M |
| Royal Bank of Canada | 0.00% | Add +18185.4% | 351,263 | $3.3M |
| Exome Asset Management LLC | 2.38% | Reduce -8.6% | 308,298 | $2.9M |
| Aberdeen Group plc | 0.00% | Add +129.1% | 303,426 | $2.8M |
| Y-Intercept (Hong Kong) Ltd | 0.06% | New | 276,932 | $2.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -75.3% | 272,874 | $2.6M |
| Nuveen, LLC | 0.00% | Add +18.7% | 266,043 | $2.5M |
| Schonfeld Strategic Advisors LLC | 0.02% | Add +470.6% | 264,744 | $2.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +27.6% | 256,138 | $2.4M |
| Bank of New York Mellon Corp | 0.00% | Add +3.2% | 237,101 | $2.2M |
| Marshall Wace, LLP | 0.00% | New | 232,123 | $2.2M |
| AQR Capital Management | 0.00% | Reduce -38.9% | 230,577 | $2.2M |
| Man Group plc | 0.00% | Add +70.1% | 228,167 | $2.1M |
| Walleye Capital LLC | 0.02% | Reduce -30.9% | 226,015 | $2.1M |
| SummitTX Capital, L.P. | 0.09% | Add +28.6% | 211,244 | $2.0M |
| Vienna Powszechne Towarzystwo Emerytalne S.A. Vienna Insurance Group | 1.18% | No change | 200,000 | $1.9M |
| Tang Capital Management LLC | 0.09% | No change | 200,000 | $1.9M |
| Macquarie Group Ltd. | 0.00% | No change | 180,000 | $1.7M |
| Engineers Gate Manager LP | 0.02% | Add +41.7% | 179,276 | $1.7M |
| Capital Fund Management S.A. | 0.02% | New | 178,289 | $1.7M |
| Cubist Systematic Strategies, LLC | 0.02% | Add +43907.5% | 176,030 | $1.6M |
| Jane Street Group, LLC | 0.00% | Add +81.6% | 167,493 | $1.6M |
| Swiss National Bank | 0.00% | Add +10.0% | 164,300 | $1.5M |
| FMR LLC | 0.00% | Add +31.6% | 160,918 | $1.5M |
| Dark Forest Capital Management LP | 0.06% | Add +308.9% | 160,327 | $1.5M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | Reduce -38.0% | 155,000 | $1.5M |
| Wells Fargo & Company | 0.00% | Add +259.4% | 154,406 | $1.4M |
| Avidity Partners Management LP | 0.28% | Reduce -83.8% | 150,000 | $1.4M |
| State of Wisconsin Investment Board | 0.00% | Add +120.1% | 141,113 | $1.3M |
| Boothbay Fund Management, LLC | 0.04% | New | 128,845 | $1.2M |
| Rhumbline Advisers | 0.00% | Add +6.6% | 128,732 | $1.2M |
| HRT Financial LP | 0.01% | Reduce -12.4% | 127,111 | $1.2M |
| Russell Investments Group, Ltd. | 0.00% | Add +7.3% | 126,158 | $1.2M |
| Balyasny Asset Management L.P. | 0.00% | Reduce -93.1% | 126,145 | $1.2M |
| Rafferty Asset Management, LLC | 0.00% | Reduce -26.5% | 126,045 | $1.2M |
| Verition Fund Management LLC | 0.01% | Add +257.8% | 125,345 | $1.2M |
| Schroder Investment Management Group | 0.00% | Add +112.2% | 122,163 | $1.1M |
| Alliancebernstein L.P. | 0.00% | Reduce -30.3% | 117,649 | $1.1M |
| Twinbeech Capital LP | 0.02% | Reduce -55.9% | 112,794 | $1.1M |
| Citigroup Inc. | 0.00% | Reduce -44.3% | 111,752 | $1.0M |
| Yelin Lapidot Holdings Management Ltd. | 0.19% | No change | 108,377 | $1.0M |
| Invesco Ltd. | 0.00% | Add +36.8% | 105,157 | $985K |
| HSBC Holdings PLC | 0.00% | Add +112.4% | 106,787 | $966K |
| Polar Asset Management Partners Inc. | 0.03% | Reduce -8.9% | 97,113 | $909K |
| Ameriprise Financial Inc. | 0.00% | Add +182.4% | 96,674 | $905K |
| Stonepine Capital Management, LLC | 0.86% | New | 92,900 | $870K |
"% of holder's portfolio" is SNDX's weight in each manager's 13F, not the share of Syndax Pharmaceuticals Inc. the manager owns.