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Prothena Corp

196 hedge funds and large institutions have $3.54B invested in Prothena Corp in 2023 Q2 according to their latest regulatory filings, with 31 funds opening new positions, 72 increasing their positions, 58 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

41% more capital invested

Capital invested by funds: $2.51B → $3.54B (+$1.03B)

24% more repeat investments, than reductions

Existing positions increased: 72 | Existing positions reduced: 58

19% more first-time investments, than exits

New positions opened: 31 | Existing positions closed: 26

3% more funds holding

Funds holding: 191196 (+5)

0.05% more ownership

Funds ownership: 98.44%98.49% (+0.05%)

14% less funds holding in top 10

Funds holding in top 10: 76 (-1)

36% less call options, than puts

Call options by funds: $19.7M | Put options by funds: $30.9M

Holders
196
Holders Change
+5
Holders Change %
+2.62%
% of All Funds
3.08%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.09%
New
31
Increased
72
Reduced
58
Closed
26
Calls
$19.7M
Puts
$30.9M
Net Calls
-$11.2M
Net Calls Change
-$15.4M
Name Holding Trade Value Shares
Change
Change in
Stake
GIM
26
Granahan Investment Management
Massachusetts
$20.1M +$4.03M +62,429 +27%
Two Sigma Advisers
27
Two Sigma Advisers
New York
$18.2M -$7.42M -115,000 -30%
MRCP
28
Maple Rock Capital Partners
Ontario, Canada
$16M -$3.81M -59,000 -20%
Point72 Asset Management
29
Point72 Asset Management
Connecticut
$14.9M -$7.49M -116,191 -35%
Goldman Sachs
30
Goldman Sachs
New York
$13.2M -$2.09M -32,442 -14%
PA
31
Perceptive Advisors
New York
$12.6M -$3.42M -53,031 -22%
Man Group
32
Man Group
United Kingdom
$11.6M +$11M +170,562 New
Two Sigma Investments
33
Two Sigma Investments
New York
$11.1M -$13.1M -202,806 -55%
UBS AM
34
UBS AM
Illinois
$11M
Bank of America
35
Bank of America
North Carolina
$10.8M -$26.2M -405,579 -72%
BC
36
Birchview Capital
Vermont
$10.7M +$1.79M +27,716 +22%
Morgan Stanley
37
Morgan Stanley
New York
$10.4M -$8.53M -132,312 -46%
SAM
38
Sectoral Asset Management
Quebec, Canada
$10.4M +$1.88M +29,098 +24%
VOYA Investment Management
39
VOYA Investment Management
Georgia
$9.82M +$6.79M +105,222 +273%
Mariner
40
Mariner
Kansas
$9.22M +$1.8M +27,955 +26%
PA
41
Pinnacle Associates
New York
$8.91M -$311K -4,822 -4%
FLSM
42
Frazier Life Sciences Management
California
$8.73M
Ensign Peak Advisors
43
Ensign Peak Advisors
Utah
$8.62M +$38.7K +600 +0.5%
PM
44
Prosight Management
Texas
$8.19M -$21.1M -327,092 -73%
Rafferty Asset Management
45
Rafferty Asset Management
New York
$8.16M -$1.43M -22,111 -16%
Axa
46
Axa
France
$7.74M +$6.09M +94,364 +498%
Connor, Clark & Lunn Investment Management (CC&L)
47
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$7.52M +$1.34M +20,712 +23%
Amundi
48
Amundi
France
$7.48M +$6.84M +106,070 +3,814%
Norges Bank
49
Norges Bank
Norway
$7.14M -$7.37M -114,250 -52%
AAA
50
Affinity Asset Advisors
New York
$6.83M +$6.45M +100,000 New

PRTA Hedge Fund Activity: Q2 2023 in Review

196 of the 6,369 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q2 2023, worth a combined $3.54B — up 41% from $2.51B a quarter earlier.

Buyers outnumbered sellers: 31 funds opened new PRTA positions and 26 closed out — a net gain of 5 holders — while 72 added to existing stakes and 58 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $74.2M. The largest seller was Avidity Partners Management, cutting an estimated $34.4M.

  • 196 institutional investors held Prothena Corp (PRTA) as of Q2 2023, up from 191 in Q1 2023.
  • Funds reported $3.54B of Prothena Corp stock for Q2 2023, up 41% quarter-over-quarter.
  • 31 funds opened new Prothena Corp positions in Q2 2023 and 26 closed out, a net change of +5 holders.
  • The largest Prothena Corp buyer in Q2 2023 was Fidelity Investments, an estimated $74.2M added.
  • The largest Prothena Corp seller in Q2 2023 was Avidity Partners Management, an estimated $34.4M sold.

Based on aggregated 13F filings for Q2 2023.