Syndax Pharmaceuticals Inc. 13F holders
242 funds reported a position in Syndax Pharmaceuticals Inc. in their 13F for the quarter ended 30 June 2026, together 108.1 million shares worth $2.36 billion. Against the quarter before, 32 opened a position, 95 added, 75 trimmed and 39 sold out; together they bought a net 7.5 million shares. The largest holders: BlackRock, Inc., Kynam Capital Management, LP and Goldman Sachs Group Inc.
Funds holding242-5 on Q1 2026
Shares they held108.1Mworth $2.36 billion
Net bought on the quarter7.5M sharesabout $163.8 million at the funds' values
Funds buying to selling127 to 114opened or added, to cut or sold
Opened 32Added 95Held 37Trimmed 75Sold out 39
What each fund did in SNDX against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in SNDX in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 36 reported a position in Syndax Pharmaceuticals Inc.: 2 opened one, 13 added, 12 trimmed and 5 sold out, a net 238,938 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 7 reported a position in Syndax Pharmaceuticals Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 2.6 million shares worth $56.5 million, 0.0% of its reported book. New this quarter: Alyeska. Sold out: Point72 Asset Management. In the quarter, 3 funds added or opened a position and 4 trimmed or sold out; together they sold a net 113,209 shares, about $2.5 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 2,584,136 | $56.5 million | 0.0% | +427,078 | added | 30 June 2026 | 13F |
| Millennium Management | 2,053,960 | $44.9 million | 0.0% | +1,854,436 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 1,578,125 | $34.5 million | 0.0% | -1,471 | held | 30 June 2026 | 13F |
| Renaissance Technologies | 321,600 | $7.0 million | 0.0% | -176,600 | trimmed | 30 June 2026 | 13F |
| Alyeska | 308,507 | $6.7 million | 0.0% | +308,507 | new | 30 June 2026 | 13F |
| Citadel Advisors | 258,278 | $5.6 million | 0.0% | -372,664 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 5,574 | $121,852 | 0.0% | -168,419 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 0 | $0 | 0.0% | -1,985,547 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 9,020,006 | 8.34% | $197.2 million | 0.00% | +765,580 | 13F |
| Kynam Capital Management, LP | 8,050,959 | 7.44% | $176.0 million | 9.73% | no change | 13F |
| Goldman Sachs Group Inc. | 5,861,265 | 5.42% | $128.1 million | 0.01% | +864,478 | 13F |
| State Street Corp. | 5,658,424 | 5.23% | $123.7 million | 0.00% | +1,228,348 | 13F |
| Bank of America Corp. | 4,045,094 | 3.74% | $88.4 million | 0.01% | -204,742 | 13F |
| Vanguard Capital Management LLC | 3,927,892 | 3.63% | $85.9 million | 0.00% | +105,313 | 13F |
| Deerfield Management Company, L.P. | 3,779,900 | 3.50% | $82.6 million | 1.03% | no change | 13F |
| Eversept Partners, LP | 2,798,210 | 2.59% | $61.2 million | 3.33% | -87,412 | 13F |
| Geode Capital Management, LLC | 2,584,136 | 2.39% | $56.5 million | 0.00% | +427,078 | 13F |
| Hood River Capital Management LLC | 2,564,279 | 2.37% | $56.1 million | 0.41% | +209,994 | 13F |
| Kingdon Capital Management, L.l.c. | 2,500,000 | 2.31% | $54.6 million | 7.37% | no change | 13F |
| Franklin Resources Inc. | 2,286,499 | 2.11% | $50.0 million | 0.01% | +136,420 | 13F |
| Millennium Management LLC | 2,053,960 | 1.90% | $44.9 million | 0.03% | +1,854,436 | 13F |
| Vanguard Portfolio Management LLC | 1,921,796 | 1.78% | $42.0 million | 0.00% | +184,655 | 13F |
| UBS Group AG | 1,893,750 | 1.75% | $41.4 million | 0.01% | +740,088 | 13F |
| Elmind Capital, LP | 1,855,000 | 1.72% | $40.6 million | 10.19% | no change | 13F |
| BNP Paribas Asset Management Holding S.A. | 1,790,173 | 1.66% | $39.1 million | 0.04% | +57,632 | 13F |
| Candriam S.C.A. | 1,696,040 | 1.57% | $37.0 million | 0.17% | +770,708 | 13F |
| Soleus Capital Management, L.P. | 1,628,039 | 1.51% | $35.6 million | 1.23% | -98,869 | 13F |
| Two Sigma Investments, LP | 1,578,125 | 1.46% | $34.5 million | 0.03% | -1,471 | 13F |
| Orbimed Advisors LLC | 1,542,000 | 1.43% | $33.7 million | 0.64% | +579,700 | 13F |
| Nuveen, LLC | 1,364,575 | 1.26% | $29.8 million | 0.01% | -130,070 | 13F |
| MPM Bioimpact LLC | 1,333,523 | 1.23% | $29.2 million | 1.78% | -7,210 | 13F |
| Aisling Capital Management LP | 1,316,806 | 1.22% | $28.8 million | 6.10% | no change | 13F |
| Woodline Partners LP | 1,250,760 | 1.16% | $27.3 million | 0.09% | no change | 13F |
| D. E. Shaw & Co., Inc. | 1,239,954 | 1.15% | $27.1 million | 0.02% | -361,942 | 13F |
| Catalio Capital Management, LP | 1,215,698 | 1.12% | $26.6 million | 4.99% | +172,028 | 13F |
| Silverarc Capital Management, LLC | 1,214,390 | 1.12% | $26.5 million | 2.95% | +325,403 | 13F |
| Prosight Management, LP | 1,200,000 | 1.11% | $26.2 million | 4.52% | +430,000 | 13F |
| Trails Edge Capital Partners, LP | 1,110,000 | 1.03% | $24.3 million | 3.85% | +408,179 | 13F |
| Algert Global LLC | 1,051,465 | 0.97% | $23.0 million | 0.27% | +122,897 | 13F |
| Bank of New York Mellon Corp | 1,040,079 | 0.96% | $22.7 million | 0.00% | +35,581 | 13F |
| Sphera Funds Management Ltd | 1,014,606 | 0.94% | $22.2 million | 3.17% | +290,043 | 13F |
| Loomis Sayles & Co. L P | 923,624 | 0.85% | $20.2 million | 0.03% | new | 13F |
| Parkman Healthcare Partners LLC | 877,256 | 0.81% | $19.2 million | 1.97% | -24,255 | 13F |
| Ensign Peak Advisors, Inc | 867,831 | 0.80% | $19.0 million | 0.03% | -123,138 | 13F |
| Palo Alto Investors LP | 864,986 | 0.80% | $18.9 million | 2.61% | no change | 13F |
| AQR Capital Management LLC | 853,304 | 0.79% | $18.7 million | 0.01% | -127,010 | 13F |
| Northern Trust Corp. | 845,537 | 0.78% | $18.5 million | 0.00% | +89,818 | 13F |
| Charles Schwab Investment Management Inc. | 814,303 | 0.75% | $17.8 million | 0.00% | +99,150 | 13F |
| Vanguard Fiduciary Trust Co. | 633,509 | 0.59% | $13.8 million | 0.00% | +32,992 | 13F |
| Morgan Stanley | 588,979 | 0.54% | $12.9 million | 0.00% | -304,954 | 13F |
| Rhenman & Partners Asset Management AB | 560,250 | 0.52% | $12.2 million | 1.16% | +181,000 | 13F |
| Apis Capital Advisors, LLC | 556,000 | 0.51% | $12.2 million | 1.18% | +6,000 | 13F |
| Panagora Asset Management Inc. | 546,517 | 0.51% | $11.9 million | 0.04% | +297,110 | 13F |
| Qube Research & Technologies Ltd | 477,182 | 0.44% | $10.4 million | 0.01% | +441,135 | 13F |
| First Trust Advisors LP | 456,700 | 0.42% | $10.0 million | 0.01% | new | 13F |
| Susquehanna International Group, LLP | 454,101 | 0.42% | $9.9 million | 0.01% | +257,480 | 13F |
| Granahan Investment Management, LLC | 446,988 | 0.41% | $9.8 million | 0.35% | +140,667 | 13F |
| Knott David M Jr | 437,245 | 0.40% | $9.6 million | 5.05% | +15,245 | 13F |
The 50 largest of the 242 funds that reported a position in SNDX in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on SNDX
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Calls | 70,400 | $1.5 million | 30 June 2026 | 13F |
| Citadel Advisors | Puts | 16,200 | $354,132 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 7 August 2026 | 13G | State Street Corporation and 1 other | 5.7 million | 6.4% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G/A | Point72 Asset Management, L.P. and 5 others | 2.0 million | 2.3% | 31 March 2026 | passive, under 20% (13d-1(c)) | EDGAR |
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 4.5 million | 5.0% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 9 February 2026 | 13G | State Street Corporation and 1 other | 4.6 million | 5.3% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 30 January 2026 | 13G/A | The Vanguard Group and 1 other | 6.2 million | 7.2% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.