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

CUSIP 87164F105 is the security identifier for SNDX - Syndax Pharmaceuticals Inc - Common Stock used to aggregate holder disclosures.

How many institutions held SNDX - Syndax Pharmaceuticals Inc - Common Stock in Q1 2021?

130 institutional investors reported SNDX - Syndax Pharmaceuticals Inc - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

Syndax Pharmaceuticals Inc - Common Stock (SNDX)

CUSIP: 87164F105

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 86,727,396
Total 13F shares: 48,482,656
Share change: +2,071,963
Total reported value: $1,083,969,550
Put/Call ratio: 71%
Price per share: $22.36
Number of holders: 130
Value change: +$46,478,159
Number of buys: 67
Number of sells: 66

Quarterly Holders Quick Answers

What is CUSIP 87164F105?
CUSIP 87164F105 identifies SNDX - Syndax Pharmaceuticals Inc - Common Stock in SEC institutional holdings data.

Need full ownership history?
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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 87164F105:

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

Top shareholders of SNDX - Syndax Pharmaceuticals Inc - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Avidity Partners Management LP	13F	Company	3.8%	3,308,000	$73,570,000	—	31 Dec 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	3%	2,615,443	$58,168,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	2.7%	2,320,406	$51,607,000	—	31 Dec 2020	13F
Boxer Capital, LLC	13F	Company	2.6%	2,287,782	$50,880,000	—	31 Dec 2020	13F
CITADEL ADVISORS LLC	13F	Company	2.4%	2,111,518	$46,960,000	—	31 Dec 2020	13F
EVENTIDE ASSET MANAGEMENT, LLC	13F	Company	2.2%	1,946,000	$43,279,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	2.1%	1,851,833	$41,185,000	—	31 Dec 2020	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	2.1%	1,830,439	$40,709,000	—	31 Dec 2020	13F
Nantahala Capital Management, LLC	13F	Company	2.1%	1,798,453	$39,998,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	2%	1,699,720	$37,802,000	—	31 Dec 2020	13F
FRAZIER MANAGEMENT LLC	13F	Company	1.6%	1,405,045	$31,248,000	—	31 Dec 2020	13F
Ghost Tree Capital, LLC	13F	Company	1.6%	1,350,000	$30,024,000	—	31 Dec 2020	13F
ORBIMED ADVISORS LLC	13F	Company	1.4%	1,170,900	$26,041,000	—	31 Dec 2020	13F
Point72 Asset Management, L.P.	13F	Company	1.3%	1,143,900	$25,440,000	—	31 Dec 2020	13F
VR Adviser, LLC	13F	Company	1.3%	1,115,255	$24,803,000	—	31 Dec 2020	13F
HealthCor Management, L.P.	13F	Company	1.2%	1,070,550	$23,809,000	—	31 Dec 2020	13F
Aisling Capital Management LP	13F	Company	1.2%	1,025,000	$22,796,000	—	31 Dec 2020	13F
RA CAPITAL MANAGEMENT, L.P.	13F	Company	1.2%	1,023,067	$22,753,000	—	31 Dec 2020	13F
683 Capital Management, LLC	13F	Company	1.1%	988,406	$21,982,000	—	31 Dec 2020	13F
BVF INC/IL	13F	Company	1%	878,524	$19,538,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.89%	775,708	$17,253,000	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.87%	757,147	$16,839,000	—	31 Dec 2020	13F
SPHERA FUNDS MANAGEMENT LTD.	13F	Company	0.86%	745,900	$16,589,000	—	31 Dec 2020	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.77%	667,552	$14,846,000	—	31 Dec 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	0.76%	655,007	$14,568,000	—	31 Dec 2020	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.69%	594,871	$13,230,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.64%	554,434	$12,330,000	—	31 Dec 2020	13F
ACUTA CAPITAL PARTNERS, LLC	13F	Company	0.54%	465,500	$10,353,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.53%	463,176	$10,301,000	—	31 Dec 2020	13F
Avoro Capital Advisors LLC	13F	Company	0.52%	450,000	$10,008,000	—	31 Dec 2020	13F
Casdin Capital, LLC	13F	Company	0.52%	450,000	$10,008,000	—	31 Dec 2020	13F
Sofinnova Investments, Inc.	13F	Company	0.43%	372,909	$8,293,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.4%	347,774	$7,735,000	—	31 Dec 2020	13F
Commodore Capital LP	13F	Company	0.38%	330,315	$7,346,000	—	31 Dec 2020	13F
Invesco Ltd.	13F	Company	0.36%	312,463	$6,949,000	—	31 Dec 2020	13F
PERCEPTIVE ADVISORS LLC	13F	Company	0.35%	300,000	$6,672,000	—	31 Dec 2020	13F
Palo Alto Investors LP	13F	Company	0.3%	264,200	$5,876,000	—	31 Dec 2020	13F
Altium Capital Management LLC	13F	Company	0.3%	263,596	$5,862,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.22%	194,468	$4,325,000	—	31 Dec 2020	13F
MARSHALL WACE, LLP	13F	Company	0.22%	191,788	$4,265,000	—	31 Dec 2020	13F
MACQUARIE GROUP LTD	13F	Company	0.21%	180,000	$4,003,000	—	31 Dec 2020	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	0.2%	174,103	$3,872,000	—	31 Dec 2020	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.2%	171,439	$3,813,000	—	31 Dec 2020	13F
Sio Capital Management, LLC	13F	Company	0.2%	170,142	$3,784,000	—	31 Dec 2020	13F
Hudson Bay Capital Management LP	13F	Company	0.18%	160,000	$3,558,000	—	31 Dec 2020	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.18%	157,130	$3,495,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.18%	156,338	$3,477,000	—	31 Dec 2020	13F
Maven Securities LTD	13F	Company	0.17%	150,000	$3,428,000	—	31 Dec 2020	13F
Ikarian Capital, LLC	13F	Company	0.16%	140,913	$3,134,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.15%	130,515	$2,903,000	—	31 Dec 2020	13F

Institutional Holders of Syndax Pharmaceuticals Inc - Common Stock (SNDX) as of Q1 2021

As of 31 Mar 2021, Syndax Pharmaceuticals Inc - Common Stock (SNDX) was held by 130 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 48,482,656 shares. The largest 10 holders included Avidity Partners Management LP, WELLINGTON MANAGEMENT GROUP LLP, BlackRock Inc., STATE STREET CORP, Avoro Capital Advisors LLC, BOXER CAPITAL, LLC, CITADEL ADVISORS LLC, VANGUARD GROUP INC, EVENTIDE ASSET MANAGEMENT, LLC, and Nantahala Capital Management, LLC. This page lists 130 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

140

Q1 2021 holders

130

Holder diff

-10

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.