What does CUSIP 87166L100 represent in this 13F holders report?

CUSIP 87166L100 is the security identifier for SYBX - Synlogic, Inc. - Common Stock, par value $0.001 used to aggregate holder disclosures.

How many institutions held SYBX - Synlogic, Inc. - Common Stock, par value $0.001 in Q1 2019?

47 institutional investors reported SYBX - Synlogic, Inc. - Common Stock, par value $0.001 for Q1 2019. Use the holders table for investor-level position and value details.

Synlogic, Inc. - Common Stock, par value $0.001 (SYBX)

CUSIP: 87166L100

Q1 2019 13F Holders as of 31 Mar 2019

Security type / class: Equity / Common Stock, par value $0.001
Total 13F shares: 20,782,747
Total 13F value: $157,749,736
Share change: +192,896
SEC-reported price per share: $7.59
Number of holders: 47
Value change: +$1,485,513
Number of buys: 19
Number of sells: 15
Shares outstanding: 11,697,161

Security key

87166L100

Report period

Q1 2019

Institutions

Top holders

SYBX full security history Ownership snapshot Full 13F holder table SYNLOGIC, INC. SEC filings SYNLOGIC, INC. company facts

Broader feeds

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

Ownership snapshot

Top reported holders of SYBX - Synlogic, Inc. - Common Stock, par value $0.001 (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

NEA Management Company, LLC

Disclosed value leader

NEA Management Company, LLC

Comparable rows

15/15

Latest evidence

31 Dec 2018

13F Lead comparable stake: 36% Showing 1-6 of 15 holder rows.

Quick read

NEA Management Company, LLC leads the comparable SEC ownership view at 36%.

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 NEA Management Company, LLC's linked filing trail.

Comparable ownership Top 5

NEA Management Company, LLC 36%

WELLINGTON MANAGEMENT GROUP LLP 28%

Atlas Venture Associates IX, LLC 23%

ORBIMED ADVISORS LLC 17%

Aquilo Capital Management, LLC 11%

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
NEA Management Company, LLC	13F Company 13F	36%	$29,648,000 4,229,410 shares	—	31 Dec 2018
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	28%	$22,707,000 3,239,354 shares	—	31 Dec 2018
Atlas Venture Associates IX, LLC	13F Company 13F	23%	$18,590,000 2,651,963 shares	—	31 Dec 2018
ORBIMED ADVISORS LLC	13F Company 13F	17%	$14,230,000 2,029,996 shares	—	31 Dec 2018
Aquilo Capital Management, LLC	13F Company 13F	11%	$9,353,000 1,334,179 shares	—	31 Dec 2018
BlackRock Finance, Inc.	13F Company 13F	11%	$8,750,000 1,248,355 shares	—	31 Dec 2018

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 Q1 2019

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

Institutions

20,782,747

Rows available

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 Q1 2019 vs Q1 2019 Across Filers

Q1 2019 holders

Holder diff

Investor	Q1 2019 Shares	Q1 2019 Shares	Share Diff	Share Chg %	Q1 2019 value	Q1 2019 value	Value change	Value Chg %