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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, Q2 2026

Institutional positions in Synlogic, Inc. as of Jun 30, 2026. 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
1
−1 vs. Q1 2026
Shares held
23.8K
−20 (−0.1%) vs. Q1 2026
Total value
$16.7K
+$2.15K (+14.8%) vs. Q1 2026
New holders
0
0 more added
Sold out
1
0 more reduced

Compare with Q1 2026: 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 holdersQ2 2026: 1 institution
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 heldQ2 2026: $16.7K
Q1 2021: $65.8MQ2 2021: $114.6MQ3 2021: $133.9MQ4 2021: $105.1MQ1 2022: $102.4MQ2 2022: $46.9MQ3 2022: $37.8MQ4 2022: $25.8MQ1 2023: $28.6MQ2 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$28.6M
Q4 202251$25.8M
Q3 202252$37.8M
Q2 202251$46.9M
Q1 202251$102.4M
Q4 202162$105.1M
Q3 202169$133.9M
Q2 202160$114.6M
Q1 202155$65.8M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Synlogic, Inc.; share changes are against Q1 2026.

Institutions holding SYBX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
DRW Securities, LLC23,763$16.7K0.00%00.0%Unchanged
Hilltop National Bank0$00.00%−20−100.0%Sold out