Merck & Co., Inc.

All Holdings — 2026 Q1

AI Portfolio Summary
In 2026 Q1, Merck & Co., Inc. maintained a portfolio of 15 distinct positions. The most significant new addition to the portfolio was EIKON THERAPEUTICS I, which now represents 5.05% of the total fund value. Conversely, Merck & Co., Inc. completely exited their position in XILIO THERAPEUTICS I.
PCA Score Concentration Risk
Risk ENB
Total Positions
15
Quarter
2026 Q1
Top Holding
MRNA (33.6%)
Top 10 Concentration
99.7%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-15 of 15
Stock History Sector / Type Port % Prev % Rank / Prev Conviction Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
MRNA
MODERNA INC
Healthcare 33.56% 24.64% #1 1
Prev: #2
7.0 no change no change
P
S
2,308,190 $117,256,052 2024 Q4 13F Filing 2026-03-31 2026-05-13
PSNL
PERSONALIS INC
Healthcare 25.60% 40.47% #2 1
Prev: #1
6.5 no change no change
P
S
14,044,943 $89,466,287 2024 Q4 13F Filing 2026-03-31 2026-05-13
KYMR
KYMERA THERAPEU...
Healthcare 18.40% 21.75% #3
Prev: #3
6.0 no change no change
P
S
772,165 $64,313,623 2024 Q4 13F Filing 2026-03-31 2026-05-13
N/A
ENTRADA THERAPE...
Unknown 6.28% 6.47% #4
Prev: #4
4.0 no change no change
P
S
1,739,768 $21,955,872 13F Filing 2026-03-31 2026-05-13
N/A
EIKON THERAPEUT...
Unknown 5.05% #5
Prev: #—
6.0 1,666,666 no change
NEW
1,666,666 $17,633,326 13F Filing 2026-03-31 2026-05-13
N/A
AKTIS ONCOLOGY ...
Unknown 4.88% #6
Prev: #—
5.5 952,844 no change
NEW
952,844 $17,046,379 13F Filing 2026-03-31 2026-05-13
ALEC
ALECTOR INC
Healthcare 2.18% 2.00% #7 1
Prev: #6
1.9 no change no change
P
S
3,545,719 $7,623,297 2024 Q4 13F Filing 2026-03-31 2026-05-13
STRO
SUTRO BIOPHARMA...
Healthcare 1.94% 1.14% #8 1
Prev: #7
1.8 no change no change
P
S
272,351 $6,784,263 2024 Q4 13F Filing 2026-03-31 2026-05-13
EVAX
EVAXION BIOTECH...
Healthcare 1.29% 2.10% #9 4
Prev: #5
1.5 no change no change
P
S
1,214,126 $4,516,549 2024 Q4 13F Filing 2026-03-31 2026-05-13
VRDN
VIRIDIAN THERAP...
Healthcare 0.52% 1.05% #10 2
Prev: #8
1.2 no change no change
P
S
93,414 $1,827,178 2024 Q4 13F Filing 2026-03-31 2026-05-13
N/A
XILIO THERAPEUT...
Unknown 0.26% #11
Prev: #—
3.6 105,982 no change
NEW
105,982 $891,309 13F Filing 2026-03-31 2026-05-13
CARM
CARISMA THERAPE...
Healthcare 0.01% 0.02% #12 2
Prev: #10
1.0 no change no change
P
S
1,473,240 $47,880 2024 Q4 13F Filing 2026-03-31 2026-05-13
NEUP
NEUPHORIA THERA...
Healthcare 0.01% 0.01% #13 2
Prev: #11
1.0 no change no change
P
S
10,027 $40,810 2024 Q4 13F Filing 2026-03-31 2026-05-13
HURA
TUHURA BIOSCIEN...
Healthcare 0.01% 0.00% #14 2
Prev: #12
2.5 5,495 39.4%
P
S
19,445 $34,807 2025 Q2 13F Filing 2026-03-31 2026-05-13
XLO
XILIO THERAPEUT...
Healthcare 0.00% 0.34%
Sold All 😨
(Was: #9)
0.0 -1,483,758 -100.0%
CLOSED
$— 2024 Q4 13F Filing 2026-03-31 2026-05-13
Showing 1-15 of 15 holdings

Unlock Full Merck & Co., Inc. Analysis

PRO subscribers get access to all historical quarters, Excel/CSV exports, Portfolio Concentration Analytics (PCA), and Risk-Based ENB.

Full Historical Quarters
Excel & CSV Export
PCA & Risk-Based ENB
Auto Cost Basis
Position Change Alerts
Price-Held Analytics