SYNLOGIC, INC. - Common Stock, par value $0.001 per share (SYBX)
CUSIP: 87166L209
Q2 2025 13F Holders as of 30 Jun 2025
- Type / Class
- Equity / Common Stock, par value $0.001 per share
- Shares outstanding
- 11,703,954
- Total 13F shares
- 6,771,875
- Share change
- -8,664
- Total reported value
- $8,600,285
- Price per share
- $1.27
- Number of holders
- 19
- Value change
- -$10,063
- Number of buys
- 5
- Number of sells
- 5
Quarterly Holders Quick Answers
What is CUSIP 87166L209?
CUSIP 87166L209 identifies SYBX - SYNLOGIC, INC. - Common Stock, par value $0.001 per share in SEC institutional holdings data.
Need full ownership history?
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These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
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Recent filing periods for CUSIP 87166L209:
Top shareholders 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. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Cable Car Capital, LP |
13F
|
Company |
28%
|
3,312,219
|
$4,107,152 | — | 31 Mar 2025 | |
| NEA Management Company, LLC |
13F
|
Company |
25%
|
2,922,772
|
$3,624,237 | — | 31 Mar 2025 | |
| Funicular Funds, LP |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
3,312,219
|
$1,907,176 | — | 09 Feb 2024 | |
| New Enterprise Associates 14, L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
2,922,773
|
$1,682,933 | — | 03 Oct 2023 | |
| John A. Kryzanowski |
13D/G
|
Kryzanowski, John A. |
6.3%
|
733,412
|
$249,360 | $0 | 31 Dec 2024 | |
| VANGUARD GROUP INC |
13F
|
Company |
1.6%
|
183,002
|
$226,922 | — | 31 Mar 2025 | |
| FMR LLC |
13F
|
Company |
1.4%
|
166,501
|
$206,462 | — | 31 Mar 2025 | |
| Aoife Brennan |
3/4/5
|
President and CEO, Director |
—
mixed-class rows
|
264,967
mixed-class rows
|
$147,578 | — | 10 Nov 2023 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.57%
|
66,238
|
$82,142 | — | 31 Mar 2025 | |
| Antoine Awad |
3/4/5
|
Chief Operating Officer |
—
mixed-class rows
|
50,525
mixed-class rows
|
$58,576 | — | 02 Apr 2024 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.2%
|
23,510
|
$29,152 | — | 31 Mar 2025 | |
| FIDUCIARY TRUST CO |
13F
|
Company |
0.19%
|
22,352
|
$27,716 | — | 31 Mar 2025 | |
| Michael Vangsted Jensen |
3/4/5
|
Chief Financial Officer |
—
mixed-class rows
|
53,613
mixed-class rows
|
$27,032 | — | 10 Nov 2023 | |
| Ikarian Capital, LLC |
13F
|
Company |
0.17%
|
20,422
|
$25,323 | — | 31 Mar 2025 | |
| BlackRock, Inc. |
13F
|
Company |
0.17%
|
19,757
|
$24,499 | — | 31 Mar 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.15%
|
17,520
|
$21,725 | — | 31 Mar 2025 | |
| Richard P. Shea |
3/4/5
|
Director |
0.13%
|
15,506
|
$20,002 | — | 26 Apr 2025 | |
| James P. Flynn |
3/4/5
|
Director |
0.13%
|
15,000
|
$19,350 | — | 26 Apr 2025 | |
| ABG Innovation Capital Partners III GP Ltd |
13F
|
Company |
0.12%
|
13,727
|
$17,021 | — | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.09%
|
10,176
|
$12,618 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.02%
|
2,125
|
$2,635 | — | 31 Mar 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
103
|
$128 | — | 31 Mar 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0%
|
63
|
$78 | — | 31 Mar 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0%
|
24
|
$30 | — | 31 Mar 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0%
|
7
|
$8 | — | 31 Mar 2025 | |
| DANSKE BANK A/S |
13F
|
Company |
0%
|
1
|
$1 | — | 31 Mar 2025 | |
| Gregg Beloff |
3/4/5
|
Interim Chief Financial Officer |
—
class O/S missing
|
50,000
|
— | — | 06 Dec 2021 | |
| Lisa Kelly-Croswell |
3/4/5
|
Director |
—
class O/S missing
|
30,000
|
— | — | 22 Jun 2023 | |
| Mathers Edward T. |
3/4/5
|
Director |
—
class O/S missing
|
30,000
|
— | — | 22 Jun 2023 | |
| Michael F. Burgess |
3/4/5
|
Director |
—
class O/S missing
|
30,000
|
— | — | 22 Jun 2023 | |
| Michael Thomas Heffernan |
3/4/5
|
Director |
—
class O/S missing
|
30,000
|
— | — | 22 Jun 2023 | |
| Nick Leschly |
3/4/5
|
Director |
—
class O/S missing
|
30,000
|
— | — | 22 Jun 2023 | |
| Peter Barrett |
3/4/5
|
Director |
—
class O/S missing
|
24,923
|
— | — | 02 Jan 2024 | |
| Patricia N. Hurter |
3/4/5
|
Director |
—
class O/S missing
|
14,678
|
— | — | 02 Jan 2024 |
Institutional Holders of SYNLOGIC, INC. - Common Stock, par value $0.001 per share (SYBX) as of Q2 2025
As of 30 Jun 2025,
SYNLOGIC, INC. - Common Stock, par value $0.001 per share (SYBX) was held by
19 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
6,771,875 shares.
The largest 10 holders included
Cable Car Capital, LP, NEA Management Company, LLC, VANGUARD GROUP INC, FMR LLC, GEODE CAPITAL MANAGEMENT, LLC, RENAISSANCE TECHNOLOGIES LLC, Fiduciary Trust Co, Ikarian Capital, LLC, BlackRock, Inc., and Rangeley Capital, LLC.
This page lists
19
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
18
Q2 2025 holders
19
Holder diff
1
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.