Inozyme Pharma Ownership | Who Owns Inozyme Pharma?

Inozyme Pharma Ownership Summary

Inozyme Pharma is owned by 78.66% institutional investors, 1.26% insiders, and 20.08% retail investors. Pivotal bioventure partners investment advisor is the largest institutional shareholder, holding 6.99% of INZY shares. Eventide Healthcare & Life Sciences I is the top mutual fund, with 3.46% of its assets in Inozyme Pharma shares.

INZY Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Inozyme Pharma	78.66%	1.26%	20.08%
Sector	Healthcare Stocks	487.91%	11.08%	-398.99%
Industry	Biotech Stocks	307.10%	11.11%	-218.21%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Pivotal bioventure partners investment advisor	4.49M	6.99%	$17.98M
Glazer capital	4.33M	6.74%	$17.32M
Sofinnova investments	4.28M	6.66%	$17.12M
Rock springs capital management lp	3.86M	6.10%	$10.70M
Blackrock	3.34M	5.41%	$14.91M
Vanguard group	2.63M	4.16%	$7.29M
Blackrock funding, inc. /de	2.66M	4.14%	$10.65M
Nea management company	2.44M	3.79%	$9.75M
Alpine associates management	2.19M	3.40%	$8.75M
Millennium management	1.88M	2.97%	$5.21M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Pivotal bioventure partners investment advisor	4.49M	11.14%	$17.98M
Knott david m jr	666.20K	1.21%	$2.66M
Sofinnova investments	4.28M	1.05%	$17.12M
Sanofi	443.25K	1.01%	$1.77M
Affinity asset advisors	1.75M	0.96%	$7.00M
Nea management company	2.44M	0.73%	$9.75M
Glazer capital	4.33M	0.62%	$17.32M
Oxford asset management llp	361.56K	0.52%	$1.45M
Alpine associates management	2.19M	0.47%	$8.75M
Rock springs capital management lp	3.86M	0.41%	$10.70M

Top Buyers

Holder	Shares	% Assets	Change
Glazer capital	4.33M	0.62%	4.33M
Alpine associates management	2.19M	0.47%	2.19M
Gabelli funds	1.46M	0.04%	1.46M
Omers administration	1.12M	0.04%	1.12M
Gabelli & co investment advisers	617.00K	0.38%	617.00K

Top Sellers

Holder	Shares	% Assets	Change
Adage capital partners gp	-	-	-5.16M
Samlyn capital	-	-	-3.26M
Trium capital llp	-	-	-3.17M
Eventide asset management	-	-	-2.22M
Affinity asset advisors	1.75M	0.96%	-2.12M

New Positions

Holder	Shares	% Assets	Change	Value
Glazer capital	4.33M	0.62%	4.33M	$17.32M
Alpine associates management	2.19M	0.47%	2.19M	$8.75M
Gabelli funds	1.46M	0.04%	1.46M	$5.83M
Omers administration	1.12M	0.04%	1.12M	$4.47M
Gabelli & co investment advisers	617.00K	0.38%	617.00K	$2.47M

Sold Out

Holder	Change
Ifp advisors	-1.00
Nelson, van denburg & campbell wealth management group	-9.00
Gamma investing	-27.00
Capital performance advisors llp	-35.00
Us bancorp \de\	-44.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	88	-10.20%	50,562,434	16.84%	78	1.74%	45	4.65%	29	7.41%
Mar 31, 2025	99	-5.71%	46,721,833	-10.83%	72	1.06%	43	-36.76%	28	75.00%
Dec 31, 2024	56	-37.78%	22,214,256	-59.31%	35	0.47%	38	-15.56%	6	-72.73%
Sep 30, 2024	89	-3.26%	54,577,497	1.39%	86	1.14%	44	-22.81%	22	15.79%
Jun 30, 2024	91	-	53,828,169	7.93%	87	0.94%	57	39.02%	18	-41.94%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Eventide Healthcare & Life Sciences I	2.22M	3.46%	-1.91M
Vanguard Total Stock Mkt Idx Inv	1.69M	2.61%	-
Vanguard US Total Market Shares ETF	1.56M	2.43%	-
iShares Russell 2000 ETF	1.27M	1.97%	-
Fidelity Select Biotechnology	1.17M	1.81%	-
Vanguard Institutional Extnd Mkt Idx Tr	734.26K	1.14%	-
Fidelity Small Cap Index	545.22K	0.84%	14.59K
GAMCO Intl SICAV Merger Arbtrg I (USD)	495.63K	0.77%	495.63K
iShares Russell 2000 Value ETF	445.33K	0.69%	-
abrdn Life Sciences Investors	326.76K	0.51%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 02, 2025	Treco Douglas A	CEO & Chairman	Sell	$7.85K
Apr 02, 2024	Treco Douglas A	CEO	Sell	$52.21K
Aug 01, 2023	Pivotal bioVenture Partners Fund I, L.P.	-	Buy	$3.43M
Aug 01, 2023	Pivotal bioVenture Partners Fund I, L.P.	-	Buy	$571.43K
Aug 01, 2023	Hopfner Robert Lorne	-	Buy	$3.43M

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	-
2025 Q2	-	1
2025 Q1	-	-
2024 Q4	-	-
2024 Q3	-	-

INZY Ownership FAQ

Who Owns Inozyme Pharma?

Inozyme Pharma shareholders are primarily institutional investors at 78.66%, followed by 1.26% insiders and 20.08% retail investors. The average institutional ownership in Inozyme Pharma's industry, Biotech Stocks , is 307.10%, which Inozyme Pharma falls below.

Who owns the most shares of Inozyme Pharma?

Inozyme Pharma’s largest shareholders are Pivotal bioventure partners investment advisor (4.49M shares, 6.99%), Glazer capital (4.33M shares, 6.74%), and Sofinnova investments (4.28M shares, 6.66%). Together, they hold 20.39% of Inozyme Pharma’s total shares outstanding.

Does Blackrock own Inozyme Pharma?

Yes, BlackRock owns 5.41% of Inozyme Pharma, totaling 3.34M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 14.91M$. In the last quarter, BlackRock increased its holdings by 254.54K shares, a 8.24% change.

Who is Inozyme Pharma’s biggest shareholder by percentage of total assets invested?

Pivotal bioventure partners investment advisor is Inozyme Pharma’s biggest shareholder by percentage of total assets invested, with 11.14% of its assets in 4.49M Inozyme Pharma shares, valued at 17.98M$.

Who is the top mutual fund holder of Inozyme Pharma shares?

Eventide Healthcare & Life Sciences I is the top mutual fund holder of Inozyme Pharma shares, with 3.46% of its total shares outstanding invested in 2.22M Inozyme Pharma shares.

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