Venrock Adviser, LLC

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 17, 2026), Venrock Adviser, LLC reported 27 stock positions worth $2.0 billion. Its top holding was Apogee Therapeutics (APGE) at 31.7% of the portfolio, followed by Oruka Therapeutics (ORKA, 6.2%) and Viridian Therapeutics (VRDN, 6.0%). Compared with Q3 2025, it opened 1 new position, sold out of 7, added to 7 and reduced 4. The biggest buy was Spyre Therapeutics (SYRE, shares +37%) and the biggest sale an exit from Metsera (MTSR).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001615982
Portfolio Value
$2.0B (Q4 2025)
SEC Filing
0001615982-26-000005 ↗ filed Feb 17, 2026

Holdings Value

0$1.0B$2.0B$3.0B$4.0B Q1 2024: $2.1B Q1 2024 Q2 2024: $1.6B Q2 2024 Q3 2024: $1.9B Q3 2024 Q4 2024: $1.5B Q4 2024 Q1 2025: $1.2B Q1 2025 Q2 2025: $1.3B Q2 2025 Q3 2025: $1.8B Q3 2025 Q4 2025: $2.0B $2.0B Q4 2025 Q1 2026: $2.7B Q1 2026 Q2 2026: $3.3B Q2 2026

Holdings 27 stocks · $2.0B

APGE Apogee Therapeutics Inc. 31.67% 8,493,321 $641.1M No change
ORKA Oruka Therapeutics Inc. 6.21% 4,148,428 $125.7M No change
VRDN Viridian Therapeutics Inc. 5.97% 3,882,709 $120.8M No change
SYRE Spyre Therapeutics Inc. 5.96% 3,685,448 $120.7M Add +37.2%
KALV Kalvista Pharmaceuticals Inc. 5.37% 6,728,985 $108.7M No change
OCUL Ocular Therapeutix Inc. 4.39% 7,315,547 $88.8M Reduce -44.4%
SVRA Savara Inc. 4.09% 13,740,375 $82.9M Add +8.3%
COGT Cogent Biosciences Inc. 3.51% 2,000,000 $71.0M Reduce -50.0%
ERAS Erasca Inc. 3.28% 17,857,083 $66.4M No change
CTMX Cytomx Therapeutics Inc. 3.27% 15,561,500 $66.3M No change
MAZE Maze Therapeutics Inc. 3.17% 1,548,569 $64.2M Add +25.8%
JBIO Jade Biosciences Inc. 2.45% 3,220,364 $49.7M No change
ELVN Enliven Therapeutics Inc. 2.45% 3,226,331 $49.7M No change
ORIC Oric Pharmaceuticals Inc. 2.29% 5,676,230 $46.4M Reduce -14.0%
ENGN Engene Holdings Inc. 2.13% 4,771,414 $43.1M Reduce -5.5%
DYN Dyne Therapeutics Inc. 2.10% 2,173,913 $42.5M No change
DNTH Dianthus Therapeutics Inc. 2.04% 1,000,000 $41.2M Add +4.1%
UPB Upstream Bio Inc. 1.57% 1,169,298 $31.7M No change
HELP Cybin Inc. 1.55% 3,840,250 $31.4M New
ZURA Zura Bio Ltd. 1.38% 5,345,115 $28.0M Add +15.4%
VOR Vor Biopharma Inc. 1.26% 1,943,766 $25.4M Add +288.8%
CBIO Crescent Biopharma Inc. 1.25% 2,133,576 $25.3M Add +53.7%
SEPN Septerna Inc. 0.84% 610,808 $17.0M No change
SRZN Surrozen Inc. 0.71% 632,931 $14.3M No change
CGEM Cullinan Therapeutics Inc. 0.71% 1,379,965 $14.3M No change
ARTV Artiva Biotherapeutics Inc. 0.34% 1,609,569 $6.9M No change
CASIF Casi Pharmaceuticals Inc. 0.04% 987,259 $839K No change

Portfolio Sells Q3 2025 → Q4 2025

MTSR Metsera Inc. Sold out 0.00% −11.05
CDTX Cidara Therapeutics Inc. Sold out 0.00% −5.10
OCUL Ocular Therapeutix Inc. Reduce -44.4% 4.39% −4.27
ABVX Abivax SA-ADR Sold out 0.00% −2.76
ORIC Oric Pharmaceuticals Inc. Reduce -14.0% 2.29% −2.16
ATXS Astria Therapeutics Inc. Sold out 0.00% −1.01
PHVS Pharvaris NV Sold out 0.00% −0.95
FRNM Freenome Inc. Sold out 0.00% −0.45
TENX Tenax Therapeutics Inc. Sold out 0.00% −0.19
ENGN Engene Holdings Inc. Reduce -5.5% 2.13% +0.19
COGT Cogent Biosciences Inc. Reduce -50.0% 3.51% +0.28

Portfolio Buys Q3 2025 → Q4 2025

SYRE Spyre Therapeutics Inc. Add +37.2% 5.96% +3.43
HELP Cybin Inc. New 1.55% +1.55
SVRA Savara Inc. Add +8.3% 4.09% +1.54
MAZE Maze Therapeutics Inc. Add +25.8% 3.17% +1.37
CBIO Crescent Biopharma Inc. Add +53.7% 1.25% +0.32
ZURA Zura Bio Ltd. Add +15.4% 1.38% +0.25
DNTH Dianthus Therapeutics Inc. Add +4.1% 2.04% −0.09
VOR Vor Biopharma Inc. Add +288.8% 1.26% −0.12

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 33$3.3BAPGE, ORKA, ERAS, SYRE, DNTH
Q1 2026 33$2.7BAPGE, ERAS, ORKA, SYRE, KALV
Q4 2025 27$2.0BAPGE, ORKA, VRDN, SYRE, KALV
Q3 2025 33$1.8BAPGE, MTSR, OCUL, CDTX, VRDN
Q2 2025 31$1.3BAPGE, OCUL, MTSR, ELVN, KALV
Q1 2025 37$1.2BAPGE, MTSR, OCUL, ELVN, KALV
Q4 2024 37$1.5BAPGE, OCUL, ELVN, PRAX, VRDN
Q3 2024 38$1.9BAPGE, OCUL, ELVN, VRDN, APLT
Q2 2024 35$1.6BAPGE, ELVN, FDMT, OCUL, DYN
Q1 2024 38$2.1BAPGE, FDMT, OCUL, SYRE, MRUS