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Gossamer Bio
GOSS

95 hedge funds and large institutions have $171M invested in Gossamer Bio in 2023 Q3 according to their latest regulatory filings, with 31 funds opening new positions, 31 increasing their positions, 19 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed

397% more call options, than puts

Call options by funds: $2.67M | Put options by funds: $538K

130% more capital invested

Capital invested by funds: $74.4M → $171M (+$96.8M)

63% more repeat investments, than reductions

Existing positions increased: 31 | Existing positions reduced: 19

26.25% more ownership

Funds ownership: 64.97% → 91.23% (+26%)

9% less first-time investments, than exits

New positions opened: 31 | Existing positions closed: 34

4% less funds holding

Funds holding: 99 → 95 (-4)

Holders
95
Holders Change
-4
Holders Change %
-4.04%
% of All Funds
1.51%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.02%
New
31
Increased
31
Reduced
19
Closed
34
Calls
$2.67M
Puts
$538K
Net Calls
+$2.14M
Net Calls Change
+$1.52M

Top Buyers

Rank Fund Capital Flow
1
NMC
NEA Management Company
Maryland
+$14.1M
2
EC
EcoR1 Capital
California
+$10.6M
3
AVM
Arch Venture Management
Illinois
+$9.28M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$8.86M
5
Alyeska Investment Group
Alyeska Investment Group
Illinois
+$7.84M

Top Sellers

Rank Fund Capital Flow
1
Acadian Asset Management
Acadian Asset Management
Massachusetts
-$1.77M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$1.58M
3
Ensign Peak Advisors
Ensign Peak Advisors
Utah
-$1.49M
4
Two Sigma Investments
Two Sigma Investments
New York
-$1.19M
5
Two Sigma Advisers
Two Sigma Advisers
New York
-$748K
Name Holding Trade Value Shares
Change 		Change in
Stake
SCM
26
Stonepine Capital Management
Oregon
$2.78M +$3.85M +3,339,405 New
RSCM
27
Rock Springs Capital Management
Maryland
$2.72M +$2.5M +2,166,686 +197%
VCIM
28
Velan Capital Investment Management
Georgia
$2.55M +$3.53M +3,065,136 New
HCM
29
Highbridge Capital Management
New York
$2.52M +$3.49M +3,031,306 New
Geode Capital Management
30
Geode Capital Management
Massachusetts
$1.8M +$1.61M +1,396,420 +182%
WAM
31
Weiss Asset Management
Massachusetts
$1.67M +$2.3M +2,000,000 New
Corient Private Wealth
32
Corient Private Wealth
Florida
$1.64M +$694K +602,653 +44%
SFM
33
Sphera Funds Management
Israel
$1.61M +$2.23M +1,932,568 New
6CM
34
683 Capital Management
New York
$1.44M +$1.99M +1,726,139 New
Goldman Sachs
35
Goldman Sachs
New York
$1.39M +$1.45M +1,260,635 +312%
Marshall Wace
36
Marshall Wace
United Kingdom
$1.37M -$120K -104,300 -6%
Acadian Asset Management
37
Acadian Asset Management
Massachusetts
$1.28M -$1.77M -1,532,054 -50%
DCM
38
DAFNA Capital Management
California
$1.23M +$1.7M +1,476,052 New
Charles Schwab
39
Charles Schwab
California
$900K +$751K +651,837 +152%
Two Sigma Advisers
40
Two Sigma Advisers
New York
$877K -$748K -649,500 -38%
CH
41
CVI Holdings
Delaware
$813K +$1.12M +976,108 New
TCM
42
Tang Capital Management
California
$698K +$966K +838,600 New
Fidelity Investments
43
Fidelity Investments
Massachusetts
$532K +$732K +634,873 +17,894%
AIC
44
AWM Investment Company
New York
$511K +$706K +613,028 New
Susquehanna International Group
45
Susquehanna International Group
Pennsylvania
$470K -$214K -185,679 -25%
Two Sigma Investments
46
Two Sigma Investments
New York
$446K -$1.19M -1,033,273 -66%
Northern Trust
47
Northern Trust
Illinois
$364K +$277K +240,395 +122%
Morgan Stanley
48
Morgan Stanley
New York
$326K -$213K -184,889 -32%
SSA
49
Schonfeld Strategic Advisors
New York
$300K -$29.4K -25,500 -7%
State Street
50
State Street
Massachusetts
$275K -$16.8K -14,600 -4%
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GOSS Hedge Fund Activity: Q3 2023 in Review

95 of the 6,301 institutional investors tracked by Wall St. Rank reported a position in Gossamer Bio (GOSS) for Q3 2023, worth a combined $171M — up 130% from $74.4M a quarter earlier.

Sellers outnumbered buyers: 34 funds closed out of GOSS and 31 opened new positions — a net loss of 3 holders — while 19 trimmed existing stakes and 31 added.

The largest buyer was NEA Management Company, adding an estimated $14.1M. The largest seller was Acadian Asset Management, cutting an estimated $1.77M.

  • 95 institutional investors held Gossamer Bio (GOSS) as of Q3 2023, down from 99 in Q2 2023.
  • Funds reported $171M of Gossamer Bio stock for Q3 2023, up 130% quarter-over-quarter.
  • 31 funds opened new Gossamer Bio positions in Q3 2023 and 34 closed out, a net change of -3 holders.
  • The largest Gossamer Bio buyer in Q3 2023 was NEA Management Company, an estimated $14.1M added.
  • The largest Gossamer Bio seller in Q3 2023 was Acadian Asset Management, an estimated $1.77M sold.

Based on aggregated 13F filings for Q3 2023.