Latest Period
n/a
Security Snapshot
Synlogic, Inc. - Common Stock, par value $0.001 (SYBX) Institutional Ownership
CUSIP: 87166L100
13F Institutional Holders and Ownership History from Q3 2017 to Q4 2023
Institutions Reporting
Shares (Excl. Options)
Price
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Common Stock, par value $0.001
- Symbol
- SYBX on Nasdaq
- Shares outstanding
- 11,697,161
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- SYBX - Synlogic, Inc. - Common Stock, par value $0.001 is tracked under CUSIP 87166L100.
- Latest finished 13F holder period is not available.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 1 to 0 between Q3 2023 and Q4 2023.
- SEC-reported value moved from $38,572 to $0.
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
Open SEC evidence
Ownership context comes from Schedule 13D/G and available holder history for this CUSIP.
Security key
87166L100
Latest holder period
n/a
13F holders
13D/G owners
1
CIK / CUSIP context first
SYBX full holder history
SYNLOGIC, INC. SEC filings
SYNLOGIC, INC. company facts
SYNLOGIC, INC. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 87166L100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
SYBX
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Kryzanowski John A | 6.3% | $249,360 | 733,412 | Kryzanowski, John A. | 31 Dec 2024 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
26
Latest
n/a
Rows shown
1-25 of 26
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2023 Q4 | 0 | $0 | -$38,572 | 0 | |
| 2023 Q3 | 13,727 | $38,572 | -$14,225,894 | $2.81 | 1 |
| 2023 Q2 | 32,350,777 | $13,909,484 | -$1,124,503 | $0.43 | 45 |
| 2023 Q1 | 34,645,865 | $21,890,414 | +$386,052 | $0.63 | 50 |
| 2022 Q4 | 34,005,717 | $25,847,618 | -$5,384,658 | $0.76 | 49 |
| 2022 Q3 | 39,809,275 | $37,819,171 | -$1,070,605 | $0.95 | 47 |
| 2022 Q2 | 40,807,270 | $46,923,417 | -$3,577,559 | $1.15 | 49 |
| 2022 Q1 | 42,674,523 | $102,416,205 | -$1,538,785 | $2.40 | 48 |
| 2021 Q4 | 43,313,130 | $104,813,215 | -$4,149,824 | $2.42 | 57 |
| 2021 Q3 | 43,813,443 | $133,629,531 | +$44,313,573 | $3.05 | 63 |
| 2021 Q2 | 26,795,429 | $104,248,953 | +$42,798,218 | $3.89 | 55 |
| 2021 Q1 | 18,389,830 | $65,811,093 | +$14,021,353 | $3.58 | 52 |
| 2020 Q4 | 17,187,737 | $37,121,149 | +$1,106,464 | $2.16 | 44 |
| 2020 Q3 | 13,788,451 | $27,852,885 | -$2,609,106 | $2.02 | 32 |
| 2020 Q2 | 15,090,195 | $30,632,889 | -$2,374,963 | $2.03 | 44 |
| 2020 Q1 | 16,288,086 | $28,015,884 | -$793,877 | $1.72 | 47 |
| 2019 Q4 | 16,557,856 | $42,706,626 | -$7,643,459 | $2.58 | 54 |
| 2019 Q3 | 19,695,073 | $45,104,164 | -$16,321,275 | $2.29 | 50 |
| 2019 Q2 | 20,580,735 | $187,235,570 | -$1,284,665 | $9.10 | 46 |
| 2019 Q1 | 20,782,747 | $157,749,736 | +$1,485,513 | $7.59 | 47 |
| 2018 Q4 | 20,586,592 | $144,292,000 | -$5,358,812 | $7.01 | 46 |
| 2018 Q3 | 20,628,192 | $293,127,162 | +$10,090,962 | $14.21 | 46 |
| 2018 Q2 | 20,170,560 | $198,276,560 | +$36,924,640 | $9.83 | 52 |
| 2018 Q1 | 16,157,178 | $151,551,000 | +$47,256,663 | $9.38 | 42 |
| 2017 Q4 | 10,856,856 | $105,308,000 | +$1,236,111 | $9.70 | 22 |