What is CUSIP 210373106?

CUSIP 210373106 is the security identifier used in SEC filing datasets for CNST - CONSTELLATION PHARMCETICLS I - COM.

Who owns CNST - CONSTELLATION PHARMCETICLS I - COM based on 13F filings?

Open this security page to review the newest available 13F ownership history, top reported holders, and period-by-period changes.

Security Snapshot

CONSTELLATION PHARMCETICLS I - COM (CNST) Institutional Ownership

CUSIP: 210373106

13F Institutional Holders and Ownership History from Q3 2018 to Q3 2021

13F reference period

n/a

Institutions Reporting

Shares (Excl. Options)

n/a

Price

The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.

Save this security page for your next review

Watchlists follow companies and investors, across their share classes. Bookmark this page to revisit this specific CUSIP and its quarterly holders. If you create an account from here, we will bring you back after verification.

Create free account and return here Sign in and return here Review latest holder period

Security type / class: Equity / COM
Symbol: CNST

13F Shares, Excluding Options vs Price

13F Value, Excluding Options

Total Investors

Filing notes and source

Key facts

CNST - CONSTELLATION PHARMCETICLS I - COM is tracked under CUSIP 210373106.
13F reference-period holder data is not available.
Schedule 13D/13G significant owner rows are not currently available.

Change

Holder data for the Q3 2026 reference period is not available.
Available periods remain in the history table; they do not substitute for the headline period.

Research use

You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Schedule 13D/G

Ownership context comes from Schedule 13D/G and available holder history for this CUSIP.

Open SEC evidence

Security key

210373106

13F reference period

n/a

13F holders

13D/G owners

CIK / CUSIP context first

CNST full holder history

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

Recent Quarterly Holder Reports

Open recent reporting periods for CUSIP 210373106:

Q3 2021 (0 holders) Q2 2021 (150 holders) Q1 2021 (128 holders) Q4 2020 (133 holders) Q3 2020 (117 holders) Q2 2020 (127 holders) Q1 2020 (96 holders) Q4 2019 (98 holders) Q3 2019 (47 holders) Q2 2019 (48 holders)

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods

Headline period

n/a

Rows shown

1-13 of 13

Period	13F Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (Median)	Investors
2021 Q3	0	$0	-$1,391,207,870	$0	$0		0
2021 Q2	43,791,389	$1,480,142,299	-$157,353,282	$37,417,000	$13,960,000	$33.80	150
2021 Q1	51,737,664	$1,211,904,602	+$24,169,267	$7,528,818	$5,011,650	$23.39	128
2020 Q4	50,716,697	$1,460,667,424	-$6,348,118	$2,066,000	$1,304,000	$28.80	133
2020 Q3	49,301,088	$998,847,612	-$5,132,287	$209,000	$13,886,000	$20.26	117
2020 Q2	48,148,332	$1,445,213,343	+$211,319,211	$475,000	$22,624,000	$30.05	127
2020 Q1	38,875,805	$1,221,862,863	+$9,654,737	$478,000	$1,951,000	$31.43	96
2019 Q4	32,140,688	$1,514,142,962	+$871,757,330	$787,000	$2,652,000	$47.11	98
2019 Q3	19,980,278	$129,069,236	+$23,394,438			$6.46	47
2019 Q2	16,615,219	$204,018,150	+$88,786			$12.28	48
2019 Q1	16,610,078	$225,063,878	+$16,268,736			$13.55	44
2018 Q4	15,481,032	$61,896,317	-$1,259,160			$4.01	35
2018 Q3	10,935,163	$72,981,000	+$72,532,000			$6.73	33