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

CUSIP: 87164F105

Q4 2020 13F Holders as of 31 Dec 2020

Holder snapshot 7 facts
Share change
+11,444,024
Put/Call ratio
42%
SEC-reported price per share
$22.24
Number of holders
140
Value change
+$269,937,051
Number of buys
95
Show 1 more fact
Number of sells
34
Security identity 1 fact
Shares outstanding
86,328,130

Security key

87164F105

Report period

Q4 2020

Institutions

140

Top holders

10

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.

Largest current holder
WELLINGTON MANAGEMENT GRO...
13D/G signal
Evidence rows
15
Latest as of
30 Sep 2020
13F Lead comparable stake: 3.9% Showing 1-6 of 15 holder rows.

Quick read

WELLINGTON MANAGEMENT GROUP LLP leads the comparable SEC ownership view at 3.9%.

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.

Comparable ownership Top 5
WELLINGTON MANAGEMENT GROUP LLP 3.9%
BVF INC/IL 2.9%
Boxer Capital, LLC 2.7%
BlackRock Finance, Inc. 2.2%
Avidity Partners Management LP 2.1%

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
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
13F
3.9%
$49,159,000
3,330,568 shares
30 Sep 2020
BVF INC/IL
13F
Company
13F
2.9%
$36,467,000
2,470,678 shares
30 Sep 2020
Boxer Capital, LLC
13F
Company
13F
2.7%
$33,768,000
2,287,782 shares
30 Sep 2020
BlackRock Finance, Inc.
13F
Company
13F
2.2%
$27,695,000
1,876,358 shares
30 Sep 2020
Avidity Partners Management LP
13F
Company
13F
2.1%
$27,367,000
1,854,100 shares
30 Sep 2020
MPM ASSET MANAGEMENT LLC
13F
Company
13F
2.1%
$27,208,000
1,843,388 shares
30 Sep 2020
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 2020

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

Institutions
140
Shares
46,493,166
Rows available
140
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 2020 vs Q3 2020 Across Filers

Q3 2020 holders
98
Q4 2020 holders
140
Holder diff
42
Investor Q3 2020 Shares Q4 2020 Shares Share Diff Share Chg % Q3 2020 value Q4 2020 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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