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Prothena Corp
PRTA

160 hedge funds and large institutions have $1.05B invested in Prothena Corp in 2024 Q2 according to their latest regulatory filings, with 27 funds opening new positions, 58 increasing their positions, 42 reducing their positions, and 34 closing their positions.

New
Increased
Maintained
Reduced
Closed

38% more repeat investments, than reductions

Existing positions increased: 58 | Existing positions reduced: 42

0% more funds holding in top 10

Funds holding in top 10: 3 → 3 (0)

5.06% less ownership

Funds ownership: 99.57% → 94.51% (-5.1%)

5% less funds holding

Funds holding: 169 → 160 (-9)

12% less call options, than puts

Call options by funds: $2.03M | Put options by funds: $2.31M

21% less first-time investments, than exits

New positions opened: 27 | Existing positions closed: 34

21% less capital invested

Capital invested by funds: $1.33B → $1.05B (-$277M)

Holders
160
Holders Change
-9
Holders Change %
-5.33%
% of All Funds
2.31%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
27
Increased
58
Reduced
42
Closed
34
Calls
$2.03M
Puts
$2.31M
Net Calls
-$277K
Net Calls Change
-$271K

Top Buyers

Rank Fund Capital Flow
1
AC
Armistice Capital
New York
+$10M
2
Morgan Stanley
Morgan Stanley
New York
+$3.42M
3
BlackRock
BlackRock
New York
+$2.99M
4
Citadel Advisors
Citadel Advisors
Florida
+$2.56M
5
PM
Prosight Management
Texas
+$2.52M

Top Sellers

Rank Fund Capital Flow
1
State Street
State Street
Massachusetts
-$33.4M
2
FLAM
First Light Asset Management
Minnesota
-$11M
3
UBS AM
UBS AM
Illinois
-$7.19M
4
Millennium Management
Millennium Management
New York
-$6.3M
5
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$6.12M
Name Holding Trade Value Shares
Change 		Change in
Stake
AIM
176
Aigen Investment Management
New York
– -$245K -9,901 Closed
AI
177
Atom Investors
Texas
– -$230K -9,303 Closed
Teacher Retirement System of Texas
178
Teacher Retirement System of Texas
Texas
– -$222K -8,956 Closed
PD
179
Point72 (DIFC)
United Arab Emirates
– -$221K -8,918 Closed
Two Sigma Advisers
180
Two Sigma Advisers
New York
– -$206K -8,300 Closed
Creative Planning
181
Creative Planning
Kansas
– -$205K -8,260 Closed
MLICM
182
Metropolitan Life Insurance Company (MetLife)
New York
– -$57.4K -2,317 Closed
KBC Group
183
KBC Group
Belgium
– -$39K -1,581 Closed
QT
184
Quantbot Technologies
New York
– -$32.2K -1,300 Closed
ACM
185
Aquatic Capital Management
Illinois
– -$29.7K -1,200 Closed
RTC
186
Riverview Trust Company
Washington
– -$16.3K -659 Closed
HNB
187
Huntington National Bank
Ohio
– -$4.9K -198 Closed
TC
188
Truvestments Capital
Florida
– -$2.67K -108 Closed
CT
189
Caldwell Trust
Florida
– -$1.26K -51 Closed
NA
190
NewEdge Advisors
Louisiana
– -$420 -17 Closed
AWM
191
Avior Wealth Management
Nebraska
– -$222 -9 Closed
First Manhattan
192
First Manhattan
New York
– -$74 -3 Closed
JWA
193
JFS Wealth Advisors
Pennsylvania
– -$50 -2 Closed
4 5 6 7
8

PRTA Hedge Fund Activity: Q2 2024 in Review

160 of the 6,924 institutional investors tracked by Wall St. Rank reported a position in Prothena Corp (PRTA) for Q2 2024, worth a combined $1.05B — down 21% from $1.33B a quarter earlier.

Sellers outnumbered buyers: 34 funds closed out of PRTA and 27 opened new positions — a net loss of 7 holders — while 42 trimmed existing stakes and 58 added.

The largest buyer was Armistice Capital, adding an estimated $10M. The largest seller was State Street, cutting an estimated $33.4M.

  • 160 institutional investors held Prothena Corp (PRTA) as of Q2 2024, down from 169 in Q1 2024.
  • Funds reported $1.05B of Prothena Corp stock for Q2 2024, down 21% quarter-over-quarter.
  • 27 funds opened new Prothena Corp positions in Q2 2024 and 34 closed out, a net change of -7 holders.
  • The largest Prothena Corp buyer in Q2 2024 was Armistice Capital, an estimated $10M added.
  • The largest Prothena Corp seller in Q2 2024 was State Street, an estimated $33.4M sold.

Based on aggregated 13F filings for Q2 2024.