Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Merck & Co., Inc. 13F Holdings -- Portfolio & Top Positions (2026-06-30)

Merck & Co., Inc. (CIK 310158) reported $526.4M across 13 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: PSNL ($188.2M, 35.75%), MRNA ($161.6M, 30.71%), KYMR ($88.5M, 16.82%), AKTS ($30.7M, 5.83%), EIKN ($21.7M, 4.13%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1PSNLPERSONALIS INC$188.2M35.75%14.0MHold
2MRNAMODERNA INC$161.6M30.71%2.3MHold
3KYMRKYMERA THERAPEUTICS INC$88.5M16.82%772,165Hold
4AKTSAKTIS ONCOLOGY INC$30.7M5.83%952,844Hold
5EIKNEIKON THERAPEUTICS INC$21.7M4.13%1.7MHold
6TRDAENTRADA THERAPEUTICS INC$12.8M2.43%1.7MNew
7STROSUTRO BIOPHARMA INC$9.0M1.72%272,351New
8ALECALECTOR INC$7.1M1.35%3.5MHold
9EVAXEVAXION BIOTECH A/S$3.8M0.71%1.2MNew
10VRDNVIRIDIAN THERAPEUTICS INC$1.7M0.33%93,414Hold
11XLOXILIO THERAPEUTICS INC$1.0M0.19%105,982Hold
12NEUPNEUPHORIA THERAPEUTICS INC$43,8180.01%10,027Hold
13HURATUHURA BIOSCIENCES INC$45,5010.01%19,445Hold
14CARMCARISMA THERAPEUTICS INC$00.00%0Exited
15TRDAENTRADA THERAPEUTICS INC$00.00%0Exited
16EVAXEVAXION BIOTECH A/S$00.00%0Exited
17STROSUTRO BIOPHARMA INC$00.00%0Exited

Source: SEC Form 13F filings · as of 2026-06-30