MACROGENICS INC MGNX
COM · Common Stock · CUSIP 556099109 · ISIN US5560991094
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersRockville, MD
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 63.3m as of 2025-11-07, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $1.61. Options: 3 managers hold calls ($147.6k notional), 3 hold puts ($24.3k).
Trends to Q4 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 135 |
| Q4 2022 | 137 |
| Q1 2023 | 138 |
| Q2 2023 | 132 |
| Q3 2023 | 129 |
| Q4 2023 | 143 |
| Q1 2024 | 164 |
| Q2 2024 | 148 |
| Q3 2024 | 125 |
| Q4 2024 | 130 |
| Q1 2025 | 130 |
| Q2 2025 | 113 |
| Q3 2025 | 104 |
| Q4 2025 | 89 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q1 2024 | 95 | 69 |
| Q2 2024 | 77 | 91 |
| Q3 2024 | 50 | 82 |
| Q4 2024 | 55 | 57 |
| Q1 2025 | 53 | 58 |
| Q2 2025 | 53 | 77 |
| Q3 2025 | 47 | 50 |
| Q4 2025 | 41 | 50 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q1 2025 | $75.5k | $190.5k | 2.52 |
| Q2 2025 | $82.6k | $49.6k | 0.60 |
| Q3 2025 | $114.6k | $164.9k | 1.44 |
| Q4 2025 | $147.6k | $24.3k | 0.16 |
Biggest buyers
| Jefferies Financial Group Inc. | New | +1.8m |
| BANK OF AMERICA CORP /DE/ | Added | +1.6m |
| RENAISSANCE TECHNOLOGIES LLC | Added | +1.2m |
| MARSHALL WACE, LLP | Added | +655.0k |
| TWO SIGMA INVESTMENTS, LP | Added | +562.4k |
| CITADEL ADVISORS LLC | Added | +541.6k |
| D. E. Shaw & Co., Inc. | Added | +534.4k |
| Affinity Asset Advisors, LLC | New | +484.3k |
| GSA CAPITAL PARTNERS LLP | Added | +450.2k |
| TWO SIGMA ADVISERS, LP | Added | +446.4k |
Biggest sellers
| Bellevue Group AG | Sold out | -9.9m |
| Frazier Life Sciences Management, L.P. | Sold out | -3.2m |
| JPMORGAN CHASE & CO | Reduced | -1.5m |
| MORGAN STANLEY | Reduced | -828.2k |
| MACQUARIE GROUP LTD | Sold out | -420.0k |
| BlackRock, Inc. | Reduced | -386.0k |
| Voleon Capital Management LP | Sold out | -307.4k |
| TANG CAPITAL MANAGEMENT LLC | Sold out | -218.9k |
| WASATCH ADVISORS LP | Reduced | -163.9k |
| CANTOR FITZGERALD, L. P. | Sold out | -160.0k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $138.9k86.3k shares |
| GROUP ONE TRADING LLC | Added | $8.5k5.3k shares |
| SIMPLEX TRADING, LLC | Reduced | $161100 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $21.3k13.2k shares |
| GROUP ONE TRADING LLC | Added | $1.6k1.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $1.4k900 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| ARMISTICE CAPITAL, LLC 13G · institution -1.6 pts · filed 2026-08-14 | 7.9% |
| BlackRock, Inc. 13G · institution +4.2 pts · filed 2026-07-29 | 7.1% |
Fell to 5% or below in the last year: BANK OF AMERICA CORP /DE/ (4.0%, 2026-08-03), MILLENNIUM MANAGEMENT LLC (3.7%, 2026-07-20), VANGUARD GROUP INC (0.0%, 2026-03-27), Frazier Life Sciences Public Fund, L.P. (0.0%, 2026-02-13), Bellevue Group AG (0.0%, 2026-01-06)
Insider purchases and sales in Q4 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q1 2024 | 0 | — | 5 | $4.0m | $4.0m |
| Q2 2024 | 0 | — | 1 | $799.1k | $799.1k |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 1 | $1.1k | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 1 | $150.5k | 0 | — | — |
| Q4 2025 | 0 | — | 0 | — | — |
None reported in Q4 2025.
Holders, Q4 2025
| Manager | Shares | Change |
|---|---|---|
| ARMISTICE CAPITAL, LLC 0.25% of their portfolio | 6.3m $10.2m | Added +364.0k |
| VANGUARD GROUP INC 0.00% of their portfolio | 4.2m $6.8m | Added +2.7k |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 2.9m $4.7m | Added +1.2m |
| ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio | 2.5m $4.0m | Added +863 |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 2.0m $3.2m | Reduced -142.4k |
| Jefferies Financial Group Inc. 0.02% of their portfolio | 1.8m $3.0m | New |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 1.8m $3.0m | Added +1.6m |
| WASATCH ADVISORS LP 0.02% of their portfolio | 1.8m $2.9m | Reduced -163.9k |
| MARSHALL WACE, LLP 0.00% of their portfolio | 1.3m $2.1m | Added +655.0k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 1.3m $2.0m | Added +408.2k |
| TWO SIGMA ADVISERS, LP 0.00% of their portfolio | 1.2m $1.9m | Added +446.4k |
| BlackRock, Inc. 0.00% of their portfolio | 1.2m $1.9m | Reduced -386.0k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 1.0m $1.7m | Added +541.6k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 999.5k $1.6m | Added +562.4k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.01% of their portfolio | 901.1k $1.5m | Added +85.2k |
| Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio | 818.8k $1.3m | Added +108.2k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 756.6k $1.2m | Added +534.4k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 655.3k $1.1m | Reduced -2.2k |
| GSA CAPITAL PARTNERS LLP 0.07% of their portfolio | 511.0k $823.0k | Added +450.2k |
| Affinity Asset Advisors, LLC 0.06% of their portfolio | 484.3k $779.7k | New |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.00% of their portfolio | 420.0k $676.0k | First filing |
| Squarepoint Ops LLC 0.00% of their portfolio | 312.4k $503.0k | Reduced -73.2k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% of their portfolio | 300.0k $468.0k | Added +90.0k |
| PINNACLE ASSOCIATES LTD 0.01% of their portfolio | 292.7k $471.2k | Reduced -45.4k |
| Vestal Point Capital, LP 0.02% of their portfolio | 280.0k $450.8k | Unchanged |
| STATE STREET CORP 0.00% of their portfolio | 274.6k $442.1k | Unchanged |
| Quadrature Capital Ltd 0.00% of their portfolio | 265.5k $427.4k | Added +222.8k |
| Point72 Asset Management, L.P. 0.00% of their portfolio | 249.2k $401.1k | New |
| XTX Topco Ltd 0.01% of their portfolio | 240.3k $386.9k | Added +66.4k |
| Amundi 0.00% of their portfolio | 214.3k $345.0k | New |
| MACKENZIE FINANCIAL CORP 0.00% of their portfolio | 207.9k $323.7k | New |
| HRT FINANCIAL LP 0.00% of their portfolio | 190.1k $306.0k | New |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 187.8k $302.1k | Reduced -157.8k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 181.7k $292.5k | Reduced -77.0k |
| MORGAN STANLEY 0.00% of their portfolio | 161.0k $259.2k | Reduced -828.2k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio | 155.2k $249.9k | New |
| NORTHERN TRUST CORP 0.00% of their portfolio | 152.7k $245.8k | Added +1.5k |
| PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio | 150.1k $241.6k | Added +88.9k |
| UBS Group AG 0.00% of their portfolio | 119.4k $192.3k | Added +71.7k |
| Invesco Ltd. 0.00% of their portfolio | 111.1k $178.9k | Added +26.7k |
| Leonteq Securities AG 0.01% of their portfolio | 100.0k $161.0k | Unchanged |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 92.9k $149.5k | Reduced -2.4k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 81.2k $130.7k | Reduced -7.5k |
| Timothy G. Youngquist 2020 Irrevocable Trust 0.11% of their portfolio | 79.1k $127.4k | First filing |
| Ikarian Capital, LLC 0.02% of their portfolio | 74.9k $120.6k | Reduced -5.2k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 68.5k $110.4k | Reduced -155.3k |
| LPL Financial LLC 0.00% of their portfolio | 65.1k $104.9k | Added +42.0k |
| FMR LLC 0.00% of their portfolio | 62.3k $100.3k | Reduced -1.0k |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio | 42.4k $68.2k | Unchanged |
| BARCLAYS PLC 0.00% of their portfolio | 41.4k $66.6k | Added +2.0k |
| AlphaCore Capital LLC 0.00% of their portfolio | 38.1k $61.3k | New |
| Walleye Capital LLC 0.00% of their portfolio | 33.2k $53.4k | Added +8.0k |
| SEI INVESTMENTS CO 0.00% of their portfolio | 31.3k $50.4k | Unchanged |
| Rangeley Capital, LLC 0.04% of their portfolio | 30.2k $48.7k | Unchanged |
| XML Financial, LLC 0.00% of their portfolio | 25.3k $40.8k | Reduced -7.0k |
| Corient Private Wealth LP 0.00% of their portfolio | 23.6k $38.1k | Added +9.0k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 22.6k $36.4k | Added +800 |
| BOOTHBAY FUND MANAGEMENT, LLC 0.00% of their portfolio | 18.3k $29.5k | Reduced -5.2k |
| Evercore Wealth Management, LLC 0.00% of their portfolio | 17.5k $28.2k | Unchanged |
| TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio | 16.4k $26.5k | Unchanged |
| R Squared Ltd 0.01% of their portfolio | 15.9k $25.6k | New |
| Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio | 12.8k $20.6k | Added +2.2k |
| Sound Income Strategies, LLC 0.00% of their portfolio | 7.3k $12.5k | Unchanged |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 6.5k $10.4k | Reduced -15 |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 5.8k $9.3k | Reduced -1.5m |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 5.1k $8.2k | Reduced -2.0k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 3.0k $4.8k | Unchanged |
| Caitong International Asset Management Co., Ltd 0.00% of their portfolio | 1.5k $2.4k | Added +1.3k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 1.3k $2.1k | Reduced -47.8k |
| IMG Wealth Management, Inc. 0.00% of their portfolio | 1.1k $1.9k | Unchanged |
| Truvestments Capital LLC 0.00% of their portfolio | 1.0k $1.6k | Unchanged |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 978 $1.6k | Reduced -15.8k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 879 $1.0k | Added +404 |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 694 $1.1k | Reduced -86.0k |
| Spire Wealth Management 0.00% of their portfolio | 664 $1.1k | Unchanged |
| Cornerstone Planning Group LLC 0.00% of their portfolio | 560 $1.0k | Unchanged |
| HighMark Wealth Management LLC 0.00% of their portfolio | 400 $644 | Unchanged |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 347 $559 | Reduced -152 |
| CWM, LLC 0.00% of their portfolio | 243 $0 | Reduced -749 |
| LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA 0.00% of their portfolio | 213 $392 | Unchanged |
| SUMMIT SECURITIES GROUP LLC 0.00% of their portfolio | 124 $200 | New |
| FARMERS & MERCHANTS INVESTMENTS INC 0.00% of their portfolio | 80 $129 | Unchanged |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 59 $95 | Reduced -3.0k |
| Arax Advisory Partners 0.00% of their portfolio | 55 $89 | Added +46 |
| Covestor Ltd 0.00% of their portfolio | 55 $0 | Reduced -1 |
| COMERICA BANK 0.00% of their portfolio | 44 $71 | Unchanged |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 30 $48 | Unchanged |
| Rockefeller Capital Management L.P. 0.00% of their portfolio | 25 $40 | Unchanged |
| Inspire Investing, LLC 0.00% of their portfolio | 14 $23 | New |