Syndax Pharmaceuticals, Inc.· SNDX

🇺🇸 US · SmallBroad USNASDAQ

HealthcareBiotechnologyWebsite

Price: $19.08
Day: -0.83%
Mkt Cap: $1.69B
52W Range: $11.91 – $25.59
Volume: 1.88M
Beta: 0.37

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

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stockoscope.com

Syndax Pharmaceuticals, Inc.

SNDX|Healthcare|Biotechnology

Current price: $19

Smart Money

Dimension 5 of 5

Insider Activity, Q3 2026

Latest scored quarter, net flow, and top transactions by value

Net dollar flow-$784.8K

Net share flow-32.4K

Purchases0 ($0)

Sales1 ($784.8K)

Top Notable Transactions

Insider

Type

Value

Date

Morrison Briggs

Sale

$2.6M

Sep 19

Metzger Michael A

Sale

$2.6M

Sep 8

Morrison Briggs

Sale

$2.1M

Sep 14

Institutional Ownership, Q1 2026

Ownership share, position changes, share flow, and top holders

Ownership114.7%

13F share flow+9.6%

Investors holding260

+186 adding-99 reducing

143

New 43Inc 143Red 70Closed 29

Top Institutional Holders

Institution

Value

Change

BLACKROCK, INC.

$192.8M

+0.2%

KYNAM CAPITAL MANAGEMENT, LP

$188.1M

0.0%

GOLDMAN SACHS GROUP INC

$116.7M

-12.3%

STATE STREET CORP

$103.5M

-3.6%

ETF & Mutual Fund Activity, Q2 2026

Latest meaningful quarter: fund-by-fund buying / unchanged / selling

Funds reporting93

Total shares held17.6M

Share flow-12.5%

27 buying18 selling

Buying 27Unchanged 48Selling 18

Top Fund Holders

Fund

Weight

Change

Manager Directed Portfolios

1.4M

448.14%

FIDELITY CONCORD STREET TRUST

801.4K

0.30%

+1.7K

SCHWAB STRATEGIC TRUST

469.1K

0.15%

-6.4K

North Square Investments Trust

271.4K

0.45%

+5.3K

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

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Generated August 5, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

SNDX Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

3.4/5

Neutral

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

Institutional Flow

50% weight

+32

Fund Flow

10% weight

+25

Overall Smart Money sentiment of 3.4/5 (Neutral) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated August 4, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Activity for SNDX

Net insider share flow by quarter (C-suite & director purchases minus sales)

Neutral

Routine insider selling in Q3 2026

1 sale totaling $784.8K (32.4K shares)

Share volume is at a routine pace (0.5x average)

Buying seen in 1 of 7 quarters

Notable Recent Transactions, SNDX

Top 8 highest-value recent insider trades

Morrison Briggs

President

Sell

114,339 shares at $23.03

Sep 19, 2022$2.63M

Metzger Michael A

Director

Sell

157,307 shares at $16.41

Sep 8, 2025$2.58M

Morrison Briggs

President

Sell

87,645 shares at $23.80

Sep 14, 2022$2.09M

Metzger Michael A

Insider

Sell

100,000 shares at $20.31

Nov 4, 2020$2.03M

Podlesak Dennis

Director

Sell

66,840 shares at $24.20

Sep 15, 2022$1.62M

Morrison Briggs

President

Sell

66,775 shares at $24.20

Sep 15, 2022$1.62M

Morrison Briggs

Insider

Sell

52,854 shares at $26.83

Feb 6, 2023$1.42M

Morrison Briggs

Insider

Sell

70,262 shares at $20.07

Sep 17, 2021$1.41M

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Ownership Over Time for SNDX

Total dollar value invested by institutions each quarter

Bullish Signal

Institutions accumulating in Q1 2026

114.7% institutional ownership

Moderate accumulation: 186 adding vs 99 reducing

13F shares decreased by 0.5%, a modest change

Momentum improving from prior quarter

Position Changes

Q2 2026: how are institutions adjusting their positions?

+23 growing-219 shrinkingNet: -196

210

New (4)

Increased (19)

Reduced (9)

Closed (210)

Top Institutional Holders, SNDX

Largest 8 institutional positions by ownership percentage as of Q2 2026

ABRDN PLC

372.8K

$8.1M

Ownership

0.43%

+29.9%

HENNION & WALSH ASSET MANAGEMENT, INC.

342.9K

$7.5M

Ownership

0.40%

+59.6%

ENVESTNET ASSET MANAGEMENT INC

327.6K

$7.2M

Ownership

0.38%

+682.4%

Y-INTERCEPT (HONG KONG) LTD

212.7K

$4.6M

Ownership

0.25%

+100.0%

PICTET ASSET MANAGEMENT HOLDING SA

207.9K

$4.5M

Ownership

0.24%

+1582.9%

VIENNA POWSZECHNE TOWARZYSTWO EMERYTALNE S.A. VIENNA INSURANCE GROUP

200.0K

$4.4M

Ownership

0.23%

No change

TORRAY INVESTMENT PARTNERS LLC

133.8K

$2.9M

Ownership

0.15%

+27.6%

HUSSMAN STRATEGIC ADVISORS, INC.

84.0K

$1.8M

Ownership

0.10%

+100.0%

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 93 ETFs and mutual funds reporting

27 buying18 sellingNet: +9

Buying (27)

Unchanged (48)

Selling (18)

Bullish Signal

Funds accumulating in Q2 2026

93 ETFs and mutual funds reporting

27 funds buying vs 18 selling

Top Fund Holders, SNDX

Largest 8 ETF and mutual fund positions by shares held as of latest filing

Manager Directed Portfolios

1.4M

Weight

448.14%

No change

FIDELITY CONCORD STREET TRUST

801.4K

Weight

0.30%

Increased

SCHWAB STRATEGIC TRUST

469.1K

Weight

0.15%

Decreased

North Square Investments Trust

271.4K

Weight

0.45%

Increased

PUTNAM GLOBAL HEALTH CARE FUND

186.0K

Weight

33.99%

No change

FIDELITY SELECT PORTFOLIOS

124.2K

Weight

0.22%

No change

Fidelity Rutland Square Trust II

114.3K

Weight

0.01%

Decreased

BNY Mellon Advantage Funds, Inc.

100.4K

Weight

0.54%

No change

Syndax Pharmaceuticals, Inc.· SNDX

Holdings Analysis

Insider Trading Activity

1.3Transaction History106Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings62Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History106Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings62Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights