SCM
BOLD

Stonepine Capital Management’s Boundless Bio BOLD Stock Holding History

Stonepine Capital Management’s Portfolio BOLD Stock Details BOLD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$386K Sell
154,595
-443,087
-74% -$682K 0.22% 67
2026
Q1 		$657K Sell
597,682
-112,389
-16% -$131K 0.26% 49
2025
Q4 		$852K Buy
710,071
+296,618
+72% +$370K 0.62% 40
2025
Q3 		$509K Buy
413,453
+307,278
+289% +$355K 0.41% 41
2025
Q2 		$107K Buy
+106,175
New +$141K 0.11% 58

Other funds holding BOLD

AVM
Arch Venture Management Chicago, Illinois $1.1B AUM 356.62% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $2.2B AUM 156.35% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
CAM
Cormorant Asset Management Boston, Massachusetts $1.95B AUM 773.9% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return

Stonepine Capital Management's BOLD Position: Q2 2026 in Review

Stonepine Capital Management reduced its Boundless Bio (BOLD) stake by 74% in Q2 2026, selling an estimated $682K and leaving 154,595 shares worth $386K. The position accounts for 0.22% of the portfolio, ranked #67.

Stonepine Capital Management first reported a position in BOLD in Q2 2025 and has held it in 5 quarters since. The position peaked at $852K in Q4 2025. 40 funds tracked by Wall St. Rank hold BOLD as of Q2 2026.

  • Stonepine Capital Management held 154,595 shares of Boundless Bio worth $386K as of Q2 2026.
  • Stonepine Capital Management sold 443,087 Boundless Bio shares in Q2 2026, an estimated $682K.
  • Boundless Bio made up 0.22% of Stonepine Capital Management's portfolio in Q2 2026, its #67 holding.
  • Stonepine Capital Management first reported a position in Boundless Bio in Q2 2025 and has held it in 5 quarters since.
  • Stonepine Capital Management's Boundless Bio position peaked at $852K in Q4 2025.
  • 40 funds tracked by Wall St. Rank held Boundless Bio as of Q2 2026.

Based on Stonepine Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.