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PSP Research Portfolio holdings

AUM $188M
This Fund
S&P 500
This Quarter Est. Return
+2.42%
1 Year Est. Return
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$141M
AUM Growth
+$26.9M
Cap. Flow
+$26.9M
Cap. Flow %
19.02%
Top 10 Hldgs %
81.88%
Holding
105
New
20
Increased
10
Reduced
43
Closed
26

Sector Composition

Rank Sector Weight
1 Healthcare 24.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
WVE icon
101
Wave Life Sciences
WVE
$1.03B
-31,040
Closed -$528K
ALMS
102
Alumis Inc
ALMS
$3.07B
-43,769
Closed -$427K
UPB
103
Upstream Bio Inc
UPB
$393M
-17,634
Closed -$479K
PVLA
104
Palvella Therapeutics
PVLA
$2.2B
-5,084
Closed -$532K
MAZE
105
Maze Therapeutics
MAZE
$1.65B
-12,672
Closed -$525K

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PSP Research's Q1 2026 Portfolio in Review

As of Q1 2026, PSP Research held 105 positions worth $141M, up 24% from $114M the previous quarter. Its ten largest holdings account for 82% of the portfolio.

PSP Research deployed $26.9M of net new capital in Q1 2026, opening 20 new positions and adding to 10 existing holdings. Its largest new stake was State Street SPDR S&P Biotech ETF: 284,900 shares worth $36.4M.

By sector, the portfolio is most concentrated in Healthcare at 24% of assets, down from 39% a quarter earlier.

On the sell side, the largest reduction was Amylyx Pharmaceuticals, an estimated $470K trimmed.

  • PSP Research's largest Q1 2026 buy was State Street SPDR S&P Biotech ETF: 284,900 shares worth $36.4M.
  • PSP Research added most to Alnylam Pharmaceuticals in Q1 2026, an estimated $50K increase.
  • PSP Research's biggest Q1 2026 reduction was Amylyx Pharmaceuticals, cutting an estimated $470K.
  • PSP Research fully exited Travere Therapeutics in Q1 2026, selling an estimated $584K.
  • PSP Research's ten largest holdings make up 82% of its $141M portfolio in Q1 2026.
  • PSP Research opened 20 new positions and closed 26 in Q1 2026.
  • PSP Research's portfolio value rose 24% quarter-over-quarter to $141M.

Based on PSP Research's 13F filing for Q1 2026, filed 17 Apr 2026.