Latest Period
Q1 2026
Security Snapshot
MACROGENICS INC - Common Stock, par value $0.01 per share (MGNX) Institutional Ownership
CUSIP: 556099109
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
108
Shares (Excl. Options)
43,169,221
Price
$2.89
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- Security type / class
- Equity / Common Stock, par value $0.01 per share
- Symbol
- MGNX on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 43,169,221
- Total 13F value
- $124,750,835
- Portfolio coverage rank
- 0%
- Share change
- +3,271,505
- Value change
- +$13,343,689
- Number of holders
- 108
- Shares outstanding
- 63,620,444
- SEC-reported price per share
- $3.52
- Insider filing price
- $3.52
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MGNX - MACROGENICS INC - Common Stock, par value $0.01 per share is tracked under CUSIP 556099109.
- 108 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 87 to 108 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $64,163,885 to $124,750,835.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 108 institutions filings for Q1 2026.
Security key
556099109
Latest holder period
Q1 2026
13F holders
108
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
MGNX full holder history
MACROGENICS INC SEC filings
MACROGENICS INC company facts
MACROGENICS INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 556099109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
MGNX
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| ARMISTICE CAPITAL, LLC | 10% | +0.1% | $12,205,320 | +$54,040 | 6,324,000 | +0.44% | Armistice Capital, LLC | 31 Dec 2025 |
| MILLENNIUM MANAGEMENT LLC | 5.4% | +90% | $12,092,974 | +$6,023,614 | 3,435,504 | +99% | Millennium Management LLC | 01 Jun 2026 |
| BANK OF AMERICA CORP /DE/ | 5.1% | $11,730,866 | 3,258,574 | BANK OF AMERICA CORP /DE/ | 31 Mar 2026 | |||
| WASATCH ADVISORS LP | 3.1% | -42% | $3,276,482 | -$2,584,186 | 1,950,287 | -44% | Wasatch Advisors LP | 30 Sep 2025 |
| BlackRock, Inc. | 2.9% | $2,194,571 | 1,813,695 | BlackRock, Inc. | 30 Jun 2025 |
As of 31 Mar 2026, 108 institutional investors reported holding 43,169,221 shares of MACROGENICS INC - Common Stock, par value $0.01 per share (MGNX). This represents 68% of the company’s total 63,620,444 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
59%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| ARMISTICE CAPITAL, LLC | 9.4% | 6,012,000 | -4.9% | 0.57% | $17,374,680 |
| RENAISSANCE TECHNOLOGIES LLC | 4.7% | 2,963,559 | +1.9% | 0.01% | $8,564,686 |
| MILLENNIUM MANAGEMENT LLC | 4.4% | 2,794,357 | +42% | 0.01% | $8,075,692 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.2% | 2,653,853 | 0% | 0% | $7,669,635 |
| ACADIAN ASSET MANAGEMENT LLC | 4% | 2,544,000 | +1% | 0.01% | $7,346,000 |
| TWO SIGMA INVESTMENTS, LP | 4% | 2,527,829 | +153% | 0.01% | $7,305,426 |
| BANK OF AMERICA CORP /DE/ | 3.8% | 2,401,814 | +31% | 0% | $6,941,243 |
| MARSHALL WACE, LLP | 3.2% | 2,025,526 | +58% | 0.01% | $5,853,770 |
| RA CAPITAL MANAGEMENT, L.P. | 2.9% | 1,864,176 | 0.06% | $5,387,469 | |
| WASATCH ADVISORS LP | 2.5% | 1,559,701 | -13% | 0.03% | $4,507,536 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.9% | 1,208,775 | 0% | 0% | $3,493,360 |
| BlackRock, Inc. | 1.8% | 1,163,146 | +0.91% | 0% | $3,361,492 |
| D. E. Shaw & Co., Inc. | 1.7% | 1,058,424 | +40% | 0% | $3,058,846 |
| Connor, Clark & Lunn Investment Management Ltd. | 1.4% | 867,249 | +5.9% | 0.01% | $2,506,350 |
| CITADEL ADVISORS LLC | 1.2% | 782,618 | -24% | 0% | $2,261,766 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 697,321 | +6.4% | 0% | $2,016,517 |
| JANE STREET GROUP, LLC | 0.96% | 608,509 | -52% | 0% | $1,758,591 |
| DIADEMA PARTNERS LP | 0.94% | 600,000 | 0.78% | $1,734,000 | |
| MACKENZIE FINANCIAL CORP | 0.94% | 597,442 | +187% | 0% | $1,726,607 |
| Affinity Asset Advisors, LLC | 0.79% | 500,000 | +3.2% | 0.08% | $1,445,000 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.71% | 452,227 | +560% | 0% | $1,306,936 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 0.69% | 441,143 | -51% | 0.01% | $1,274,903 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 0.66% | 420,000 | 0% | 0% | $1,214,000 |
| GSA CAPITAL PARTNERS LLP | 0.6% | 379,647 | -26% | 0.07% | $1,097,000 |
| VANGUARD FIDUCIARY TRUST CO | 0.53% | 340,089 | 0% | 0% | $982,857 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 43,169,221 | $124,750,835 | +$13,343,689 | $2.89 | 108 |
| 2025 Q4 | 39,873,697 | $64,163,885 | -$11,268,458 | $1.61 | 87 |
| 2025 Q3 | 46,069,790 | $77,396,729 | -$2,543,825 | $1.68 | 101 |
| 2025 Q2 | 48,254,634 | $58,417,269 | -$6,816,378 | $1.21 | 109 |
| 2025 Q1 | 53,787,262 | $68,275,226 | -$6,563,237 | $1.27 | 124 |
| 2024 Q4 | 56,086,649 | $182,277,562 | +$1,567,680 | $3.25 | 125 |
| 2024 Q3 | 54,902,225 | $180,609,672 | -$21,573,575 | $3.29 | 119 |
| 2024 Q2 | 60,780,167 | $258,313,062 | -$142,568,369 | $4.25 | 141 |
| 2024 Q1 | 64,754,082 | $953,179,892 | +$47,766,062 | $14.72 | 160 |
| 2023 Q4 | 61,853,452 | $595,031,063 | +$42,076,156 | $9.62 | 135 |
| 2023 Q3 | 58,037,496 | $270,452,676 | -$10,612,704 | $4.66 | 125 |
| 2023 Q2 | 60,016,268 | $321,083,284 | +$4,896,794 | $5.35 | 128 |
| 2023 Q1 | 58,447,529 | $419,062,824 | +$13,088,841 | $7.17 | 134 |
| 2022 Q4 | 56,759,894 | $380,843,944 | +$1,005,535 | $6.71 | 132 |
| 2022 Q3 | 57,575,517 | $199,204,006 | -$24,411,977 | $3.46 | 125 |
| 2022 Q2 | 62,614,291 | $184,903,988 | -$36,679,744 | $2.95 | 122 |
| 2022 Q1 | 60,299,794 | $531,229,517 | +$2,906,259 | $8.81 | 137 |
| 2021 Q4 | 57,195,769 | $918,067,066 | -$24,934,268 | $16.05 | 150 |
| 2021 Q3 | 57,874,256 | $1,211,800,601 | -$1,579,067 | $20.94 | 148 |
| 2021 Q2 | 57,205,089 | $1,536,547,929 | +$8,981,504 | $26.86 | 145 |
| 2021 Q1 | 56,061,432 | $1,785,526,852 | +$84,404,214 | $31.85 | 172 |
| 2020 Q4 | 53,782,589 | $1,229,394,378 | -$4,957,016 | $22.86 | 142 |
| 2020 Q3 | 53,058,543 | $1,336,560,085 | +$57,695,259 | $25.19 | 135 |
| 2020 Q2 | 50,654,768 | $1,414,302,624 | +$299,006,012 | $27.92 | 131 |
| 2020 Q1 | 44,072,517 | $256,481,821 | -$13,932,489 | $5.82 | 115 |