Column Group LLC

CIK 1833486 · View on SEC EDGAR ↗

Portfolio value
$100.7M
#7,768 of 8,643 by 13F value · top 89.9%
Positions
3
As of
March 31, 2026 Data as of Q1 2026

Portfolio value QoQ: +21.6% 13F does not disclose cash

Top 10 holdings weight
100.00%
Top 25 holdings weight
100.00%
Positions above 1%
2
Effective number of positions
2.0

Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)

Turnover Q2 2026: 0.0% Est. buys $0 · sells $0

Median holding: 7.0 quarters Tracked Q4 2024–Q2 2026 · 60.0% still held

New positions
0
Increased
0
Decreased
0
Closed
2
On this page

Sector breakdown

Healthcare
100.0%

Full portfolio 3 positions

Type Streak 8Q trend
SRZN Surrozen, Inc. - Common Stock $49,744,853 56.46% 1,916,950 $-6,095,901
ORIC Oric Pharmaceuticals, Inc. - Common Stock $38,346,615 43.53% 3,540,777 $-6,515,030
RVMD Revolution Medicines, Inc. - Common Stock $8,615 0.01% 46 $4,141

Top movers (QoQ)

Security Action Shares Δ Value Δ
ORIC Price move only +0 -$6.5M
SRZN Price move only +0 -$6.1M
RVMD Price move only +0 +$4K

Exited positions

Includes corporate events (mergers, delistings) — not all exits are sells

Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.

SecurityQuarter Shares before Value before Price since exit
TNYA March 31, 2026 9,400,290 $6,693,006 4.0%
RAPT March 31, 2026 156,270 $5,292,878 No longer tracked