Security key
87166L100
Synlogic, Inc. - Common Stock, par value $0.001 (SYBX)
CUSIP: 87166L100
Q3 2021 13F Holders as of 30 Sep 2021
- Security type / class
- Equity / Common Stock, par value $0.001
- Total 13F shares
- 43,813,443
- Total 13F value
- $133,629,531
- Share change
- +14,538,115
- SEC-reported price per share
- $3.05
- Number of holders
- 63
- Value change
- +$44,313,573
- Number of buys
- 32
- Number of sells
- 22
- Shares outstanding
- 11,697,161
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2021
Institutions
63
Top holders
10
SYBX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2021
Previous quarter: Q2 2021
SYNLOGIC, INC. SEC filings
SYNLOGIC, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 87166L100
Recent filing periods:
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
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
15/15
Latest evidence
30 Jun 2021
13F
Lead comparable stake: 67%
Showing 1-6 of 15 holder rows.
Quick read
FMR LLC leads the comparable SEC ownership view at 67%.
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 FMR LLC's linked filing trail.
Comparable ownership
Top 5
FMR LLC
67%
NEA Management Company, LLC
36%
ORBIMED ADVISORS LLC
32%
Atlas Venture Associates IX, LLC
23%
VANGUARD GROUP INC
15%
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 |
|---|---|---|---|---|---|
| FMR LLC |
13F
Company
|
67%
|
$30,557,000
7,855,233 shares
|
— | 30 Jun 2021 |
| NEA Management Company, LLC |
13F
Company
|
36%
|
$16,452,000
4,229,410 shares
|
— | 30 Jun 2021 |
| ORBIMED ADVISORS LLC |
13F
Company
|
32%
|
$14,380,000
3,696,662 shares
|
— | 30 Jun 2021 |
| Atlas Venture Associates IX, LLC |
13F
Company
|
23%
|
$10,317
2,651,963 shares
|
— | 30 Jun 2021 |
| VANGUARD GROUP INC |
13F
Company
|
15%
|
$6,720,000
1,727,371 shares
|
— | 30 Jun 2021 |
| GILDER GAGNON HOWE & CO LLC |
13F
Company
|
11%
|
$5,127,000
1,317,925 shares
|
— | 30 Jun 2021 |
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 Q3 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
63
Shares
43,813,443
Rows available
63
| 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 Q3 2021 vs Q2 2021 Across Filers
Q2 2021 holders
55
Q3 2021 holders
63
Holder diff
8
| Investor | Q2 2021 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q2 2021 value | Q3 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend