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SYBX

Synlogic, Inc.
$0.70 +0.00 (+0.00%) At close · Jul 2
Market Cap
$8.20M
Shares
11,696,641

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 2
Total Value: $14,507
Total Shares: 23,783

Institutional Ownership Trend

11 quarters

Holder Concentration

Across 2 13F filers · Δ vs Dec 31, 2025
Top Holder
99.9%
Sep 2023 → Mar 2026 · range 24.3% – 99.9%
+51.8 pts
Top 5
100.0%
Sep 2023 → Mar 2026 · range 79.2% – 100.0%
+3.1 pts
Top 10
100.0%
Sep 2023 → Mar 2026 · range 95.2% – 100.0%
+0.9 pts
HHI
9,983
Sep 2023 → Mar 2026 · range 1,563 – 9,983
Highly concentrated+5,845

Quarterly Activity

vs Dec 31, 2025
New
0
Increased
0
Decreased
1
Sold Out
23
Unchanged
1
Holder count: -23
Institutional value: -99.8%
Shares held: -99.7%

Top Buyers

vs Dec 31, 2025
No qualifying movers this quarter.

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
No new positions this quarter.

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 2 of 2
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1527599 CUSIP 87166L209 Visit website