Security key
87166L100
Synlogic, Inc. - Common Stock, par value $0.001 (SYBX)
CUSIP: 87166L100
Q1 2018 13F Holders as of 31 Mar 2018
- Security type / class
- Equity / Common Stock, par value $0.001
- Total 13F shares
- 16,157,178
- Total 13F value
- $151,551,000
- Share change
- +5,046,373
- SEC-reported price per share
- $9.38
- Number of holders
- 42
- Value change
- +$47,256,663
- Number of buys
- 33
- Number of sells
- 7
- Shares outstanding
- 11,697,161
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2018
Institutions
42
Top holders
10
SYBX full security history
Ownership snapshot
Full 13F holder table
SYNLOGIC, INC. SEC filings
SYNLOGIC, INC. company facts
Broader feeds
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
0/15
Latest evidence
31 Dec 2017
13F
Highest disclosed value: $37,048,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
NEA Management Company, LLC has the largest disclosed position value at $37.05M.
0 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.
Disclosed position value
Top 5
NEA Management Company, LLC
$37.05M
Atlas Venture Associates IX, LLC
$25.72M
ORBIMED ADVISORS LLC
$12.76M
DEERFIELD MANAGEMENT COMPANY, L.P.
$8.25M
PERCEPTIVE ADVISORS LLC
$6.66M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
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
|
—
denominator unverified
|
$37,048,000
3,819,410 shares
|
— | 31 Dec 2017 |
| Atlas Venture Associates IX, LLC |
13F
Company
|
—
denominator unverified
|
$25,724,000
2,651,963 shares
|
— | 31 Dec 2017 |
| ORBIMED ADVISORS LLC |
13F
Company
|
—
denominator unverified
|
$12,755,000
1,314,996 shares
|
— | 31 Dec 2017 |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
Company
|
—
denominator unverified
|
$8,246,000
850,143 shares
|
— | 31 Dec 2017 |
| PERCEPTIVE ADVISORS LLC |
13F
Company
|
—
denominator unverified
|
$6,658,000
686,352 shares
|
— | 31 Dec 2017 |
| Artal Group S.A. |
13F
Company
|
—
denominator unverified
|
$5,335,000
550,000 shares
|
— | 31 Dec 2017 |
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 2018
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
42
Shares
16,157,178
Rows available
42
| 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 2018 vs Q1 2018 Across Filers
Q1 2018 holders
42
Q1 2018 holders
42
Holder diff
0
| Investor | Q1 2018 Shares | Q1 2018 Shares | Share Diff | Share Chg % | Q1 2018 value | Q1 2018 value | Value change | Value Chg % |
|---|