Skip to main content

Synlogic, Inc.

SYBX
Exchange
OTC
Industry
Pharmaceutical Preparations
SEC CIK
0001527599

No open-market purchases or sales by Synlogic, Inc. insiders were filed in the last 90 days; 1 institution reported holding it in 13F filings for Q2 2026, worth $16.7K in total; no superinvestor holds it.

13F holders, Q1 2025

Institutional positions in Synlogic, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
18
+1 vs. Q4 2024
Shares held
6.78M
+16.4K (+0.2%) vs. Q4 2024
Total value
$8.41M
−$1.05M (−11.1%) vs. Q4 2024
New holders
1
3 more added
Sold out
0
3 more reduced

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SYBX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 18 institutions
Q1 2021: 55 institutionsQ2 2021: 60 institutionsQ3 2021: 69 institutionsQ4 2021: 62 institutionsQ1 2022: 51 institutionsQ2 2022: 51 institutionsQ3 2022: 52 institutionsQ4 2022: 51 institutionsQ1 2023: 51 institutionsQ2 2023: 45 institutionsQ3 2023: 28 institutionsQ4 2023: 24 institutionsQ1 2024: 17 institutionsQ2 2024: 17 institutionsQ3 2024: 17 institutionsQ4 2024: 18 institutionsQ1 2025: 18 institutionsQ2 2025: 19 institutionsQ3 2025: 23 institutionsQ4 2025: 25 institutionsQ1 2026: 2 institutionsQ2 2026: 1 institution
Value heldQ1 2025: $8.41M
Q1 2021: $65.8MQ2 2021: $114.6MQ3 2021: $133.9MQ4 2021: $104.8MQ1 2022: $102.4MQ2 2022: $46.9MQ3 2022: $37.8MQ4 2022: $25.8MQ1 2023: $21.9MQ2 2023: $13.9MQ3 2023: $7.34MQ4 2023: $18.2MQ1 2024: $12.4MQ2 2024: $10.4MQ3 2024: $10.2MQ4 2024: $9.46MQ1 2025: $8.41MQ2 2025: $8.60MQ3 2025: $11.1MQ4 2025: $7.71MQ1 2026: $14.5KQ2 2026: $16.7K
Institutions holding SYBX and their total value by quarter
QuarterHoldersValue
Q2 20261$16.7K
Q1 20262$14.5K
Q4 202525$7.71M
Q3 202523$11.1M
Q2 202519$8.60M
Q1 202518$8.41M
Q4 202418$9.46M
Q3 202417$10.2M
Q2 202417$10.4M
Q1 202417$12.4M
Q4 202324$18.2M
Q3 202328$7.34M
Q2 202345$13.9M
Q1 202351$21.9M
Q4 202251$25.8M
Q3 202252$37.8M
Q2 202251$46.9M
Q1 202251$102.4M
Q4 202162$104.8M
Q3 202169$133.9M
Q2 202160$114.6M
Q1 202155$65.8M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Synlogic, Inc.; share changes are against Q4 2024.

Institutions holding SYBX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Cable Car Capital LLC3,312,219$4.11M4.66%00.0%Unchanged
NEA Management Company, LLC2,922,772$3.62M0.28%00.0%Unchanged
Vanguard Group Inc183,002$226.9K0.00%00.0%Unchanged
FMR LLC166,501$206.5K0.00%−223−0.1%Reduced
Geode Capital Management, LLC66,238$82.1K0.00%−2,207−3.2%Reduced
Renaissance Technologies LLC23,510$29.2K0.00%+1,200+5.4%Added
Fiduciary Trust Co22,352$27.7K0.00%00.0%Unchanged
Ikarian Capital, LLC20,422$25.3K0.01%00.0%Unchanged
BlackRock, Inc.19,757$24.5K0.00%00.0%Unchanged
Citadel Advisors LLC17,520$21.7K0.00%+17,520New
ABG Innovation Capital Partners III GP Ltd13,727$17.0K2.13%00.0%Unchanged
State Street Corp10,176$12.6K0.00%00.0%Unchanged
Morgan Stanley2,125$2.63K0.00%00.0%Unchanged
SBI Securities Co., Ltd.103$1280.00%+100+3,333.3%Added
Bank of America Corp63$780.00%+2+3.3%Added
BNP Paribas Arbitrage, SA24$300.00%00.0%Unchanged
JPMorgan Chase & Co7$80.00%−1−12.5%Reduced
Danske Bank A/S1$10.00%00.0%Unchanged
Hilltop National Bank––––Not filed