I-Mab Ownership | Who Owns I-Mab?

I-Mab Ownership Summary

I-Mab is owned by 5.01% institutional investors, 21.43% insiders, and 73.57% retail investors. Hhlr advisors is the largest institutional shareholder, holding 3.19% of IMAB shares. Belfius Equities Cure C Cap is the top mutual fund, with 1.39% of its assets in I-Mab shares.

IMAB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	I-Mab	5.01%	21.43%	73.57%
Sector	Healthcare Stocks	492.67%	11.09%	-403.76%
Industry	Biotech Stocks	295.31%	11.22%	-206.53%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Hhlr advisors	5.98M	3.19%	$14.47M
Ariose capital management	1.70M	2.09%	$6.44M
Siren	1.17M	1.43%	$4.41M
Candriam s.c.a.	1.13M	1.39%	$4.28M
Sg americas securities	463.89K	0.57%	$1.75M
Barclays	395.43K	0.48%	$1.49M
Ubs group	295.08K	0.36%	$1.12M
Two sigma advisers, lp	430.80K	0.23%	$366.18K
Connor, clark & lunn investment management	164.06K	0.20%	$620.16M
Jpmorgan chase	150.16K	0.18%	$567.62K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Ariose capital management	1.70M	2.16%	$6.44M
Hhlr advisors	5.98M	0.47%	$14.47M
Edbi pte	222.14K	0.20%	$188.82K
Siren	1.17M	0.17%	$4.41M
Candriam s.c.a.	1.13M	0.02%	$4.28M
Sg americas securities	463.89K	0.01%	$1.75M
Two sigma securities	12.82K	0.00%	$31.03K
Alps advisors	111.49K	0.00%	$421.43K
Connor, clark & lunn investment management	164.06K	0.00%	$620.16M
Freestone capital	10.00K	0.00%	$37.80K

Top Buyers

Holder	Shares	% Assets	Change
Ariose capital management	1.70M	2.16%	1.61M
Siren	1.17M	0.17%	1.17M
Barclays	395.43K	0.00%	365.06K
Jpmorgan chase	150.16K	-	150.16K
Connor, clark & lunn investment management	164.06K	0.00%	136.26K

Top Sellers

Holder	Shares	% Assets	Change
Caligan partners lp	-	-	-3.50M
Boothbay fund management	-	-	-1.42M
Temasek (private)	-	-	-566.65K
Stonepine capital management	-	-	-483.65K
Sg americas securities	463.89K	0.01%	-412.46K

New Positions

Holder	Shares	% Assets	Change	Value
Siren	1.17M	0.17%	1.17M	$4.41M
Alps advisors	111.49K	0.00%	111.49K	$421.43K
Two sigma securities	12.82K	0.00%	12.82K	$31.03K
Jane street group	10.27K	-	10.27K	$38.83M
Raymond james financial	1.00K	-	1.00K	$2.42K

Sold Out

Holder	Change
Advisor group	-30.00
Frazier financial advisors	-515.00
Blackrock funding, inc. /de	-1.44K
Royal bank of canada	-1.64K
Qube research	-2.56K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	32	3.23%	9,395,956	4.48%	5	21.75%	15	36.36%	9	80.00%
Mar 31, 2025	3	-89.29%	6,525,693	-45.22%	3	8.62%	1	-88.89%	1	-83.33%
Dec 31, 2024	15	-50.00%	1,162,824	-91.89%	-	2.37%	2	-77.78%	1	-83.33%
Sep 30, 2024	30	-21.05%	14,337,703	-5.30%	5	17.52%	9	12.50%	6	-62.50%
Jun 30, 2024	37	-5.13%	15,140,372	25.67%	17	8.14%	8	-46.67%	16	60.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Belfius Equities Cure C Cap	1.13M	1.39%	-
Fidelity Nasdaq Composite Index	54.56K	0.07%	223.00
abrdn Healthcare Investors	53.88K	0.07%	-
abrdn Healthcare Opportunities Fund	43.74K	0.05%	-
abrdn Healthcare Opportunities	43.74K	0.05%	-
abrdn World Healthcare	38.85K	0.05%	9.19K
abrdn Life Sciences Investors	26.11K	0.03%	-
Dimensional Emerg Mkt Trgtd Val USD Acc	25.22K	0.03%	10.67K
DFA Emerging Markets Social Core Port	18.91K	0.02%	-
DFA Emerging Markets Core Equity 2 I	16.22K	0.02%	16.22K

IMAB Ownership FAQ

Who Owns I-Mab?

I-Mab shareholders are primarily institutional investors at 5.01%, followed by 21.43% insiders and 73.56% retail investors. The average institutional ownership in I-Mab's industry, Biotech Stocks , is 295.31%, which I-Mab falls below.

Who owns the most shares of I-Mab?

I-Mab’s largest shareholders are Hhlr advisors (5.98M shares, 3.19%), Ariose capital management (1.7M shares, 2.09%), and Siren (1.17M shares, 1.43%). Together, they hold 6.70% of I-Mab’s total shares outstanding.

Does Blackrock own I-Mab?

BlackRock is not among the top 10 institutional shareholders of I-Mab.

Who is I-Mab’s biggest shareholder by percentage of total assets invested?

Ariose capital management is I-Mab’s biggest shareholder by percentage of total assets invested, with 2.16% of its assets in 1.7M I-Mab shares, valued at 6.44M$.

Who is the top mutual fund holder of I-Mab shares?

Belfius Equities Cure C Cap is the top mutual fund holder of I-Mab shares, with 1.39% of its total shares outstanding invested in 1.13M I-Mab shares.

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