MacroGenics Ownership | Who Owns MacroGenics?

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MacroGenics Ownership Summary

MacroGenics is owned by 8.79% institutional investors, 3.02% insiders, and 88.19% retail investors. Bellevue group is the largest institutional shareholder, holding 15.71% of MGNX shares. BB Biotech AG Ord is the top mutual fund, with 15.68% of its assets in MacroGenics shares.

MGNX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	MacroGenics	8.79%	3.02%	88.19%
Sector	Healthcare Stocks	232.01%	10.74%	-142.75%
Industry	Biotech Stocks	381.47%	10.55%	-292.02%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Bellevue group	9.92M	15.71%	$16.67M
Armistice capital	5.96M	9.44%	$10.01M
Blackrock	5.40M	8.67%	$22.96M
Vanguard group	4.23M	6.68%	$6.81M
Renaissance	2.91M	4.60%	$4.68M
Millennium management	2.86M	4.57%	$9.31M
Acadian asset management	2.52M	3.98%	$4.05M
Jefferies financial group	1.84M	2.91%	$2.96M
Wasatch advisors lp	1.79M	2.83%	$2.88M
Jane street group	1.25M	1.98%	$2.02M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bellevue group	9.92M	0.35%	$16.67M
Armistice capital	5.96M	0.15%	$10.01M
Rock springs capital management lp	1.05M	0.13%	$3.42M
Gsa capital partners llp	511.00K	0.07%	$823.00K
Rangeley capital	30.22K	0.04%	$50.77K
Vestal point capital, lp	280.00K	0.02%	$470.40K
Wasatch advisors lp	1.79M	0.02%	$2.88M
Xtx topco	173.96K	0.02%	$292.25K
Jefferies financial group	1.84M	0.02%	$2.96M
Tang capital management	218.86K	0.01%	$367.68K

Top Buyers

Holder	Shares	% Assets	Change
Jefferies financial group	1.84M	0.02%	1.84M
Renaissance	2.91M	0.01%	1.21M
Gsa capital partners llp	511.00K	0.07%	450.20K
Jane street group	1.25M	0.00%	408.23K
Squarepoint ops	385.63K	0.00%	330.15K

Top Sellers

Holder	Shares	% Assets	Change
Avoro capital advisors	-	-	-6.15M
Frazier life sciences management	-	-	-3.18M
T. rowe price investment management	-	-	-2.77M
Ra capital management	-	-	-2.08M
Ecor1 capital	-	-	-1.60M

New Positions

Holder	Shares	% Assets	Change	Value
Jefferies financial group	1.84M	0.02%	1.84M	$2.96M
Voleon capital management lp	307.39K	0.01%	307.39K	$516.42K
Cantor fitzgerald, l. p.	160.00K	0.00%	160.00K	$268.80K
Algert global	88.13K	0.00%	88.13K	$148.00K
Hap trading	75.00K	0.00%	75.00K	$15.00K

Sold Out

Holder	Change
Financial gravity asset management	-2.00
Pnc financial services group	-12.00
True wealth design	-12.00
Nelson, van denburg & campbell wealth management group	-13.00
Farther finance advisors	-20.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	18	-83.02%	5,558,645	-87.92%	8	0.17%	7	-85.42%	3	-88.46%
Sep 30, 2025	26	-75.47%	5,421,993	-88.41%	8	0.16%	9	-80.85%	5	-84.85%
Jun 30, 2025	111	-12.60%	48,210,576	-8.42%	76	1.10%	48	-11.11%	34	-15.00%
Mar 31, 2025	127	-1.55%	53,716,987	-4.04%	85	1.07%	55	-11.29%	40	5.26%
Dec 31, 2024	120	-8.40%	51,256,584	-7.97%	81	1.04%	57	5.56%	35	-23.91%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
BB Biotech AG Ord	9.92M	15.68%	-
Vanguard US Total Market Shares ETF	2.00M	3.17%	-
Vanguard Total Stock Mkt Idx Inv	1.93M	3.04%	-
Wasatch Ultra Growth	1.66M	2.63%	-
Wasatch Micro Cap	773.76K	1.23%	-
Vanguard Institutional Extnd Mkt Idx Tr	651.75K	1.03%	-
Fidelity Small Cap Index	633.43K	1.00%	-6.51K
State St Russell Sm/Mid Cp® Indx SL Cl I	476.20K	0.75%	-
State St Russell Sm/Mid Cp® Indx NL Cl C	476.20K	0.75%	-
iShares Russell 2000 Growth ETF	450.86K	0.71%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 19, 2025	HEIDEN WILLIAM K	-	Buy	$76.76K
Aug 20, 2025	HEIDEN WILLIAM K	-	Buy	$73.75K
Feb 15, 2025	Smith Beth Ann	VP, Controller & Treasurer	Sell	$1.08K
Apr 04, 2024	Peters Jeffrey Stuart	Senior VP and General Counsel	Sell	$3.80K
Apr 04, 2024	Peters Jeffrey Stuart	Senior VP and General Counsel	Sell	$2.28K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	-	-
2025 Q4	-	-
2025 Q3	2	-
2025 Q2	-	-
2025 Q1	-	1

MGNX Ownership FAQ

Who Owns MacroGenics?

MacroGenics shareholders are primarily institutional investors at 8.79%, followed by 3.02% insiders and 88.19% retail investors. The average institutional ownership in MacroGenics's industry, Biotech Stocks , is 381.47%, which MacroGenics falls below.

Who owns the most shares of MacroGenics?

MacroGenics’s largest shareholders are Bellevue group (9.92M shares, 15.71%), Armistice capital (5.96M shares, 9.44%), and Blackrock (5.4M shares, 8.67%). Together, they hold 33.82% of MacroGenics’s total shares outstanding.

Does Blackrock own MacroGenics?

Yes, BlackRock owns 8.67% of MacroGenics, totaling 5.4M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 22.96M$. In the last quarter, BlackRock decreased its holdings by -294K shares, a -5.17% change.

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

Bellevue group is MacroGenics’s biggest shareholder by percentage of total assets invested, with 0.35% of its assets in 9.92M MacroGenics shares, valued at 16.67M$.

Who is the top mutual fund holder of MacroGenics shares?

BB Biotech AG Ord is the top mutual fund holder of MacroGenics shares, with 15.68% of its total shares outstanding invested in 9.92M MacroGenics shares.

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