UOC
THRD

UBS O'Connor’s Third Harmonic Bio THRD Stock Holding History

UBS O'Connor’s Portfolio THRD Stock Details THRD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-53,740
Closed -$553K – 459
2024
Q4 		$553K Buy
53,740
+1,446
+3% +$18K 0.01% 275
2024
Q3 		$709K Buy
52,294
+3,043
+6% +$37.7K 0.02% 314
2024
Q2 		$640K Buy
49,251
+848
+2% +$10.5K 0.02% 350
2024
Q1 		$457K Sell
48,403
-16,301
-25% -$158K 0.01% 340
2023
Q4 		$710K Sell
64,704
-60,296
-48% -$478K 0.02% 312
2023
Q3 		$799K Buy
+125,000
New +$764K 0.01% 356

Other funds holding THRD

AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return
O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
BCM
BML Capital Management Zionsville, Indiana $156M AUM 129.82% 1-Year Est. Return
NCM
Nantahala Capital Management New Canaan, Connecticut $2.72B AUM 121.58% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $1.97B AUM 125.1% 1-Year Est. Return
NM
Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return

UBS O'Connor's THRD Position: Q1 2025 in Review

UBS O'Connor sold out of Third Harmonic Bio (THRD) in Q1 2025, closing a stake of 53,740 shares — an estimated $553K sold.

UBS O'Connor first reported a position in THRD in Q3 2023 and held it in 6 quarters. The position peaked at $799K in Q3 2023. 99 funds tracked by Wall St. Rank hold THRD as of Q1 2025.

  • UBS O'Connor reported no remaining Third Harmonic Bio position as of Q1 2025 after selling out during the quarter.
  • UBS O'Connor sold 53,740 Third Harmonic Bio shares in Q1 2025, an estimated $553K.
  • UBS O'Connor first reported a position in Third Harmonic Bio in Q3 2023 and held it in 6 quarters.
  • UBS O'Connor's Third Harmonic Bio position peaked at $799K in Q3 2023.
  • 99 funds tracked by Wall St. Rank held Third Harmonic Bio as of Q1 2025.

Based on UBS O'Connor's 13F filing for Q1 2025, filed 15 May 2025.