SEC ownership of Inozyme Pharma, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001693011.

Comparable stake leader

GLAZER CAPITAL, LLC

Disclosed value leader

Longitude Capital Partners III, LLC

Comparable rows

4/17

Latest evidence

01 Jul 2025

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
4 of 17
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
GLAZER CAPITAL, LLC
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
01 Jul 2025
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001693011
Issuer location
Boston, MA

Ownership snapshot

Top shareholders of Inozyme Pharma, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
GLAZER CAPITAL, LLC
Disclosed value leader
Longitude Capital Partner...
Comparable rows
4/17
Latest evidence
01 Jul 2025
13D/G 3/4/5 Lead comparable stake: 6.6% 13 rows are not safely comparable across share classes. 13D/G row: GLAZER CAPITAL, LLC Showing 1-8 of 17 holder rows.

Quick read

GLAZER CAPITAL, LLC leads the comparable SEC ownership view at 6.6%.

4 of 17 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens GLAZER CAPITAL, LLC's linked filing trail.
Comparable ownership Top 4
GLAZER CAPITAL, LLC 6.6%
BlackRock, Inc. 4.1%
EVENTIDE ASSET MANAGEMENT, LLC 3.5%
Affinity Asset Advisors, LLC 2.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 17 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
GLAZER CAPITAL, LLC
13D/G
6.6%
$5,017,289
4,251,940 shares
$0 28 May 2025
BlackRock, Inc.
13D/G
4.1%
$10,654,712
2,663,678 shares
$0 30 Jun 2025
EVENTIDE ASSET MANAGEMENT, LLC
13D/G
3.5%
$2,353,200
2,220,000 shares
$0 31 Dec 2024
Affinity Asset Advisors, LLC
13D/G
Affinity Healthcare Fund, LP
2.9%
$2,203,898
1,867,710 shares
$0 20 May 2025
Longitude Capital Partners III, LLC
3/4/5
10%+ Owner
class O/S missing
$14,902,533
4,174,379 shares
19 Apr 2022
Pivotal bioVenture Partners Fund I, L.P.
3/4/5
Director
class O/S missing
$5,611,115
1,571,741 shares
01 Aug 2023
Henric Bjorn Bjarke
3/4/5
SVP, COO
class O/S missing
$376,424
105,441 shares
15 Dec 2022
Matthew Winton
3/4/5
COO
$184,675
01 Jul 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 05 Aug 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-16 of 16 reporting-owner rows connected to Inozyme Pharma, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
16
Largest Forms 3/4/5 holder
Longitude Capital Partners III, LLC
Net 12M change
$0
Latest report
01 Jul 2025
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Longitude Capital Partners III, LLC 10%+ Owner $14,902,533 Mixed 19 Apr 2022
Pivotal bioVenture Partners Fund I, L.P. Director $5,611,115 Mixed 01 Aug 2023
Henric Bjorn Bjarke Svp, Coo $376,424 Mixed 15 Dec 2022
Matthew Winton Coo $184,675 Mixed 01 Jul 2025
Sanjay Subramanian SVP, CFO & Head of BD $171,325 Mixed 01 Jul 2025
Douglas A. Treco CEO & Chairman, Director $38,500 Mixed 01 Jul 2025
Robert Lorne Hopfner Director $0 Mixed 01 Jul 2025
Axel Bolte Director $0 Mixed 01 Jul 2025
Lynne Marie Sullivan Director Mixed 01 Jul 2025
Erik Harris Director Mixed 03 Oct 2024
Inozyme Pharma, Inc. Director Mixed 23 Jun 2021
Mathers Edward T. Director Mixed 18 Jun 2024
Reinaldo M. Diaz Director Mixed 18 Jun 2024
Martin Edwards Director Mixed 18 Jun 2024
Sarah M. Bhagat Director Mixed 18 Jun 2024
Stephen J. DiPalma Interim CFO Mixed 17 May 2021

Recent insider transactions for Inozyme Pharma, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
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