Syndax Pharmaceuticals Inc - Common Stock, par value $0.0001 per share (SNDX)

Q: What does CUSIP 87164F105 represent in this 13F holders report?

CUSIP 87164F105 is the security identifier for SNDX - Syndax Pharmaceuticals Inc - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held SNDX - Syndax Pharmaceuticals Inc - Common Stock, par value $0.0001 per share in Q4 2024?

214 institutional investors reported SNDX - Syndax Pharmaceuticals Inc - Common Stock, par value $0.0001 per share for Q4 2024. Use the holders table for investor-level position and value details.

CUSIP: 87164F105

Q4 2024 13F Holders as of 31 Dec 2024

Security type / class: Equity / Common Stock, par value $0.0001 per share
Total 13F shares: 98,036,463
Total 13F value: $1,295,985,057
Share change: +9,231,771
Put/Call ratio: 38%
SEC-reported price per share: $13.22
Number of holders: 214
Value change: +$87,204,107
Number of buys: 113
Number of sells: 89
Shares outstanding: 86,328,130

Security key

87164F105

Report period

Q4 2024

Institutions

214

Top holders

SNDX full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2025 Previous quarter: Q3 2024 Syndax Pharmaceuticals Inc SEC filings Syndax Pharmaceuticals Inc company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 87164F105

Newer quarter: Q1 2025 Previous quarter: Q3 2024

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024

Ownership snapshot

Top reported holders of SNDX - Syndax Pharmaceuticals Inc - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Kynam Capital Management, LP

Disclosed value leader

BlackRock, Inc.

Comparable rows

15/15

Latest evidence

31 Dec 2024

13D/G 13F Lead comparable stake: 10% 13D/G row: Kynam Capital Management, LP Showing 1-6 of 15 holder rows.

Quick read

Kynam Capital Management, LP leads the comparable SEC ownership view at 10%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Kynam Capital Management, LP's linked filing trail.

Comparable ownership Top 5

Kynam Capital Management, LP 10%

BlackRock, Inc. 9.5%

WELLINGTON MANAGEMENT GROUP LLP 5.8%

VANGUARD GROUP INC 5.7%

Eversept Partners, LP 4.8%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Kynam Capital Management, LP	13D/G 13F Company 13D/G 13F	10%	$113,571,600 8,520,000 shares	$0	31 Dec 2024
BlackRock, Inc.	13F Company 13F	9.5%	$158,601,714 8,239,050 shares	—	30 Sep 2024
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	5.8%	$95,980,040 4,985,976 shares	—	30 Sep 2024
VANGUARD GROUP INC	13F Company 13F	5.7%	$94,074,250 4,886,974 shares	—	30 Sep 2024
Eversept Partners, LP	13F Company 13F	4.8%	$79,027,275 4,105,313 shares	—	30 Sep 2024
Avoro Capital Advisors LLC	13F Company 13F	4.5%	$74,852,412 3,888,437 shares	—	30 Sep 2024

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2024

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

214

98,036,463

Rows available

214

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2024 vs Q3 2024 Across Filers

Q3 2024 holders

208

Q4 2024 holders

214

Holder diff

Investor	Q3 2024 Shares	Q4 2024 Shares	Share Diff	Share Chg %	Q3 2024 value	Q4 2024 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend