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Gossamer Bio Ownership | Who Owns Gossamer Bio?

OverviewForecastRevenueFinancialsChartTranscripts

Gossamer Bio Ownership Summary

Gossamer Bio is owned by 29.68% institutional investors, 3.51% insiders, and 66.80% retail investors. Nea management company is the largest institutional shareholder, holding 8.00% of GOSS shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.45% of its assets in Gossamer Bio shares.

GOSS Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockGossamer Bio29.68%3.51%66.80%
SectorHealthcare Stocks 279.19%10.62%-189.81%
IndustryBiotech Stocks 63.96%10.74%25.30%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Nea management company18.09M8.00%$19.90M
Vanguard group10.03M4.43%$9.08M
Alyeska investment group8.81M3.89%$7.97M
Arch venture management8.06M3.56%$8.78M
Fmr7.93M3.50%$7.18M
683 capital management6.97M3.08%$6.31M
Silverarc capital management6.32M2.79%$6.95M
Palo alto investors lp6.28M2.77%$6.90M
Samsara biocapital6.13M2.71%$6.74M
Monaco asset management sam5.37M2.37%$4.86M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Arch venture management8.06M4.26%$8.78M
Octagon capital advisors lp1.43M3.97%$20.49M
Nea management company18.09M1.53%$19.90M
Silverarc capital management6.32M1.42%$6.95M
Palo alto investors lp6.28M1.31%$6.90M
Samsara biocapital6.13M1.20%$6.74M
Exome asset management1.10M1.07%$1.21M
Opaleye management4.29M1.05%$4.72M
Allostery investments lp613.03K0.97%$674.33K
Monaco asset management sam5.37M0.70%$4.86M

Top Buyers

HolderShares% AssetsChange
Alyeska investment group8.81M0.03%3.04M
Monaco asset management sam5.37M0.70%1.52M
683 capital management6.97M0.39%1.18M
Acadian asset management5.10M0.01%1.16M
Gsa capital partners llp862.41K0.06%794.87K

Top Sellers

HolderShares% AssetsChange
Octagon capital advisors lp1.43M3.97%-16.93M
Ecor1 capital---9.20M
Siren5.21M0.21%-8.07M
Price t rowe associates inc /md/64.78K--6.37M
Farallon capital management---6.13M

New Positions

HolderShares% AssetsChangeValue
Silverback asset management350.00K0.05%350.00K$385.00K
Cubist systematic strategies194.03K0.00%194.03K$213.43K
Merriman wealth management142.27K0.01%142.27K$128.70K
Jefferies financial group100.00K0.00%100.00K$90.46K
Choreo48.11K0.00%48.11K$45.59K

Sold Out

HolderChange
Zurcher kantonalbank (zurich cantonalbank)-4.00
Northwestern mutual wealth management-261.00
Wells fargo & company/mn-264.00
Global retirement partners-300.00
Farther finance advisors-400.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 202523-79.82%67,155,072-60.80%290.52%7-85.11%6-77.78%
Dec 31, 20241080.93%166,819,185-4.61%731.23%464.55%24-11.11%
Sep 30, 20241077.00%174,874,925-4.36%771.18%447.32%27-10.00%
Jun 30, 2024100-11.50%182,850,856-7.56%811.05%41-21.15%30-3.23%
Mar 31, 202411310.78%197,807,122-5.44%871.02%52-5.45%3147.62%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Vanguard US Total Market Shares ETF7.84M3.45%-
Fidelity Select Biotechnology7.57M3.33%-339.79K
Vanguard Total Stock Mkt Idx Inv6.76M2.98%-
Vanguard Institutional Extnd Mkt Idx Tr2.97M1.31%10.00
Fidelity Extended Market Index1.05M0.46%11.65K
Schwab US Small-Cap ETF™883.06K0.39%-
Federated Hermes Kaufmann Small Cap Grow766.28K0.34%-
Federated Hermes Kaufmann Small Cap A766.28K0.34%-
Vanguard Health Care ETF642.15K0.28%-1.67K
Victory Science & Technology571.93K0.25%-6.11K

Recent Insider Transactions

DateNameRoleActivityValue
Jun 24, 2024Aranda Richard Chief Medical OfficerSell$1.26K
Jun 21, 2024Hasnain Faheem President & CEOBuy$250.28K
Jun 18, 2024Giraudo Bryan COO/CFOBuy$59.11K
Jun 17, 2024Smith Robert Paul JR Chief Commercial OfficerBuy$15.05K
Mar 27, 2024Christian Waage EVP, Tech Ops and AdminSell$7.43K

Insider Transactions Trends

DateBuySell
2025 Q1--
2024 Q231
2024 Q1-5
2023 Q42-
2023 Q3--

GOSS Ownership FAQ

Who Owns Gossamer Bio?

Gossamer Bio shareholders are primarily institutional investors at 29.68%, followed by 3.51% insiders and 66.81% retail investors. The average institutional ownership in Gossamer Bio's industry, Biotech Stocks , is 63.96%, which Gossamer Bio falls below.

Who owns the most shares of Gossamer Bio?

Gossamer Bio’s largest shareholders are Nea management company (18.09M shares, 8.00%), Vanguard group (10.03M shares, 4.43%), and Alyeska investment group (8.81M shares, 3.89%). Together, they hold 16.32% of Gossamer Bio’s total shares outstanding.

Does Blackrock own Gossamer Bio?

BlackRock is not among the top 10 institutional shareholders of Gossamer Bio.

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

Arch venture management is Gossamer Bio’s biggest shareholder by percentage of total assets invested, with 4.26% of its assets in 8.06M Gossamer Bio shares, valued at 8.78M$.

Who is the top mutual fund holder of Gossamer Bio shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Gossamer Bio shares, with 3.45% of its total shares outstanding invested in 7.84M Gossamer Bio shares.

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