William Blair & Company’s Oncolytics Biotech ONCY Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-31,467
Closed -$27.5K 1986
2025
Q4
$27.5K Buy
+31,467
New +$34K ﹤0.01% 1703

Other funds holding ONCY

William Blair & Company's ONCY Position: Q1 2026 in Review

William Blair & Company sold out of Oncolytics Biotech (ONCY) in Q1 2026, closing a stake of 31,467 shares — an estimated $27.5K sold.

William Blair & Company first reported a position in ONCY in Q4 2025 and held it in 1 quarter. The position peaked at $27.5K in Q4 2025. 59 funds tracked by Wall St. Rank hold ONCY as of Q1 2026.

  • William Blair & Company reported no remaining Oncolytics Biotech position as of Q1 2026 after selling out during the quarter.
  • William Blair & Company sold 31,467 Oncolytics Biotech shares in Q1 2026, an estimated $27.5K.
  • William Blair & Company first reported a position in Oncolytics Biotech in Q4 2025 and held it in 1 quarter.
  • William Blair & Company's Oncolytics Biotech position peaked at $27.5K in Q4 2025.
  • 59 funds tracked by Wall St. Rank held Oncolytics Biotech as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.