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Merrimack Pharmaceuticals Ownership | Who Owns Merrimack Pharmaceuticals?

OverviewFinancialsChart

Merrimack Pharmaceuticals Ownership Summary

Merrimack Pharmaceuticals is owned by 64.76% institutional investors, and 35.24% retail investors. Yakira capital management is the largest institutional shareholder, holding 0% of MACK shares. Fidelity Small Cap Index is the top mutual fund, with 0.72% of its assets in Merrimack Pharmaceuticals shares.

MACK Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockMerrimack Pharmaceuticals64.76%-35.24%
SectorHealthcare Stocks 47.31%8.01%44.69%
IndustryBiotech Stocks 45.43%7.81%46.75%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Yakira capital management---
Madison avenue partners, lp---
Legal & general group---
Renaissance---
Strs ohio---
Sherbrooke park advisers---
Sepio capital, lp---
Blackrock---
New york state common retirement fund---
Geode capital management---

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Yakira capital management---
Madison avenue partners, lp---
Legal & general group---
Renaissance---
Strs ohio---
Sherbrooke park advisers---
Sepio capital, lp---
Blackrock---
New york state common retirement fund---
Geode capital management---

Top Buyers

HolderShares% AssetsChange
Nelson, van denburg & campbell wealth management group---2.00
Gamma investing---2.00
Nisa investment advisors---15.00
Armstrong advisory group---45.00
Horrell capital management---50.00

Top Sellers

HolderShares% AssetsChange
Western standard---2.17M
Newtyn management---1.87M
Adar1 capital management---902.35K
Blackrock---723.29K
Vanguard group---620.85K

Sold Out

HolderChange
Nelson, van denburg & campbell wealth management group-2.00
Gamma investing-2.00
Nisa investment advisors-15.00
Armstrong advisory group-45.00
Horrell capital management-50.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 202471-2.74%9,284,828-0.28%641.53%24-33.33%22100.00%
Dec 31, 2023735.80%9,310,8759.93%651.85%3638.46%11-26.67%
Sep 30, 2023694.55%8,469,9585.80%591.88%26-29.73%1566.67%
Jun 30, 20236620.00%8,005,3638.16%562.08%3760.87%9-10.00%
Mar 31, 2023553.77%7,401,712-2.02%511.66%23-17.86%10-9.09%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Fidelity Small Cap Index105.97K0.72%996.00
Fidelity Extended Market Index82.83K0.56%-233.00
State St Russell Sm/Mid Cp® Indx NL Cl C61.20K0.41%-
BlackRock Extended Mkt Composite34.59K0.23%183.00
State St Russell Sm Cap® Indx SL Cl I33.10K0.22%-
Bridgeway Ultra-Small Company Market32.50K0.22%-
NT R2000 Growth Index Fund - NL31.43K0.21%-
NT R2000 Index Fund - NL30.17K0.20%23.00
BlackRock Extended Equity Market K29.89K0.20%-29.00
Fidelity Total Market Index28.78K0.19%-

Recent Insider Transactions

DateNameRoleActivityValue
Dec 26, 2023Andersen Eric-Buy$640.31K
Dec 28, 2023Andersen Eric-Buy$11.44K
Dec 07, 2023Andersen Eric-Buy$981.52K
Dec 07, 2023Andersen Eric-Buy$316.95K
Nov 17, 2023Andersen Eric-Buy$2.94K

Insider Transactions Trends

DateBuySell
2023 Q412-
2023 Q36-
2023 Q2--
2023 Q115-
2022 Q45-

MACK Ownership FAQ

Who Owns Merrimack Pharmaceuticals?

Merrimack Pharmaceuticals shareholders are primarily institutional investors at 64.76%, followed by 0% insiders and 0% retail investors. The average institutional ownership in Merrimack Pharmaceuticals's industry, Biotech Stocks , is 45.43%, which Merrimack Pharmaceuticals exceeds.

Who owns the most shares of Merrimack Pharmaceuticals?

Merrimack Pharmaceuticals’s largest shareholders are Yakira capital management (0 shares, 0%), Madison avenue partners, lp (0 shares, 0%), and Legal & general group (0 shares, 0%). Together, they hold 0% of Merrimack Pharmaceuticals’s total shares outstanding.

Does Blackrock own Merrimack Pharmaceuticals?

Yes, BlackRock owns 0% of Merrimack Pharmaceuticals, totaling 0 shares as of Jun 2024. This represents 0% of BlackRock's total assets, with a market value of 0$. In the last quarter, BlackRock decreased its holdings by -723K shares, a -100.00% change.

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

Yakira capital management is Merrimack Pharmaceuticals’s biggest shareholder by percentage of total assets invested, with 0% of its assets in 0 Merrimack Pharmaceuticals shares, valued at 0$.

Who is the top mutual fund holder of Merrimack Pharmaceuticals shares?

Fidelity Small Cap Index is the top mutual fund holder of Merrimack Pharmaceuticals shares, with 0.72% of its total shares outstanding invested in 105.97K Merrimack Pharmaceuticals shares.

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