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SNDX SYNDAX PHARMACEUTICALS INC

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COM (common), issuer CIK 1395937

234 managers (242 13F filers) reported a position in SNDX shares at 2026-06-30, 108,102,457 shares in all. 34 filers opened a position and 39 filers sold out during the quarter.

Managers
234
13F filers
242
New
34
Added
95
Reduced
77
Sold out
39
Shares held by filers
108,102,457

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…873$19.1K<0.01%-14213F-HRTimelineGroup
Versant Capital Management, Inc844$18.4K<0.01%013F-HRTimeline
Kemnay Advisory Services Inc.787$17.2K<0.01%+7013F-HRTimeline
Hickory Point Bank & Trust750$16.4K0.01%013F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…687$15K<0.01%-31113F-HRTimelineGroup
IFP Advisors, Inc669$14.6K<0.01%-12213F-HRTimeline
NISA INVESTMENT ADVISORS, LLC600$13.1K<0.01%-53313F-HRTimeline
Essential Partners LLC598$13.1K0.01%-84913F-HRTimeline
HARBOUR INVESTMENTS, INC.474$10.4K<0.01%new13F-HRTimeline
Farther Finance Advisors, LLC426$9.31K<0.01%-15213F-HRTimeline
GAMMA Investing LLC417$9.12K<0.01%+2513F-HRTimeline
State of Wyoming340$7.43K<0.01%new13F-HRTimeline
Sterling Capital Management LLC313$6.84K<0.01%-39713F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.230$5.03K<0.01%-11313F-HRTimelineGroup
True Wealth Design, LLC228$4.99K<0.01%-3313F-HRTimeline
Silver Grove Financial Group, Inc.196$4.29K<0.01%new13F-HRTimeline
Global Retirement Partners, LLC158$3.44K<0.01%13F-HRTimeline
BROWN BROTHERS HARRIMAN & COin group BROWN BROTHERS HARRIMAN & CO128$2.8K<0.01%013F-HRTimelineGroup
SJS Investment Consulting Inc.119$2.6K<0.01%+3713F-HRTimeline
ROTHSCHILD INVESTMENT LLC113$2.47K<0.01%-18213F-HRTimeline
Avion Wealth100$2K<0.01%013F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…74$1.62K<0.01%013F-HRTimelineGroup
MassMutual Private Wealth & Trust, FSB71$1.55K<0.01%013F-HRTimeline
Caitong International Asset Management …48$1.05K<0.01%-33,14913F-HRTimeline
Covestor Ltd29$1K<0.01%+2113F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC40$874<0.01%013F-HRTimelineGroup
TD PRIVATE CLIENT WEALTH LLC37$809<0.01%new13F-HRTimeline
FINANCIAL CONSULATE, INC15$328<0.01%013F-HRTimeline
Clearstead Advisors, LLC10$219<0.01%new13F-HRTimeline
SIGNATUREFD, LLC10$219<0.01%new13F-HRTimeline
Hughes Financial Services, LLC3$66<0.01%+113F-HRTimeline
Stone House Investment Management, LLC2$44<0.01%-7613F-HRTimeline
SBI Securities Co., Ltd.2$44<0.01%013F-HRTimeline
Quarry LP1$22<0.01%new13F-HRTimeline