Security key
87166L209
SYNLOGIC, INC. - Common Stock, par value $0.001 per share (SYBX)
CUSIP: 87166L209
Q1 2024 13F Holders as of 31 Mar 2024
- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Total 13F shares
- 6,924,167
- Total 13F value
- $12,394,270
- Share change
- +2,208,325
- SEC-reported price per share
- $1.79
- Number of holders
- 16
- Value change
- +$1,589,732
- Number of buys
- 5
- Number of sells
- 13
- Shares outstanding
- 11,691,088
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2024
Institutions
16
Top holders
10
SYBX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
SYNLOGIC, INC. SEC filings
SYNLOGIC, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 87166L209
Recent filing periods:
Ownership snapshot
Top reported holders of SYBX - SYNLOGIC, INC. - Common Stock, par value $0.001 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.
Comparable stake leader
NEA Management Company, LLC
Disclosed value leader
NEA Management Company, LLC
Comparable rows
15/15
Latest evidence
31 Dec 2023
13F
Lead comparable stake: 25%
Showing 1-6 of 15 holder rows.
Quick read
NEA Management Company, LLC leads the comparable SEC ownership view at 25%.
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
25%
ARMISTICE CAPITAL, LLC
9%
FMR LLC
2.2%
VANGUARD GROUP INC
1.6%
Alyeska Investment Group, L.P.
0.48%
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
|
25%
|
$11,252,673
2,922,774 shares
|
— | 31 Dec 2023 |
| ARMISTICE CAPITAL, LLC |
13F
Company
|
9%
|
$4,061,750
1,055,000 shares
|
— | 31 Dec 2023 |
| FMR LLC |
13F
Company
|
2.2%
|
$995,779
258,644 shares
|
— | 31 Dec 2023 |
| VANGUARD GROUP INC |
13F
Company
|
1.6%
|
$725,467
188,433 shares
|
— | 31 Dec 2023 |
| Alyeska Investment Group, L.P. |
13F
Company
|
0.48%
|
$215,107
55,872 shares
|
— | 31 Dec 2023 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
0.47%
|
$210,000
54,630 shares
|
— | 31 Dec 2023 |
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 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
16
Shares
6,924,167
Rows available
16
| 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 2024 vs Q1 2026 Across Filers
Q1 2026 holders
2
Q1 2024 holders
16
Holder diff
14
| Investor | Q1 2026 Shares | Q1 2024 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2024 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend