6CM
THRD

683 Capital Management’s Third Harmonic Bio THRD Stock Holding History

683 Capital Management’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
Q3 		– Sell
-200,000
Closed -$1.09M – 158
2025
Q2 		$1.09M Hold
200,000
– – 0.07% 111
2025
Q1 		$694K Buy
+200,000
New +$970K 0.05% 125

Other funds holding THRD

Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
CF
Cantor Fitzgerald New York $6.78B AUM 29.01% 1-Year Est. Return
RhumbLine Advisers
RhumbLine Advisers Boston, Massachusetts $117B AUM 29.66% 1-Year Est. Return
MIM
MetLife Investment Management Whippany, New Jersey $19.6B AUM 32.64% 1-Year Est. Return
JC
JBF Capital Aspen, Colorado $676M AUM 24.74% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $93.1B AUM 28.26% 1-Year Est. Return
AB
Amalgamated Bank New York $13.1B AUM 29.66% 1-Year Est. Return
GI
GAMMA Investing Foster City, California $2.69B AUM 42.78% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return

683 Capital Management's THRD Position: Q3 2025 in Review

683 Capital Management sold out of Third Harmonic Bio (THRD) in Q3 2025, closing a stake of 200,000 shares — an estimated $1.09M sold.

683 Capital Management first reported a position in THRD in Q1 2025 and held it in 2 quarters. The position peaked at $1.09M in Q2 2025. 18 funds tracked by Wall St. Rank hold THRD as of Q3 2025.

  • 683 Capital Management reported no remaining Third Harmonic Bio position as of Q3 2025 after selling out during the quarter.
  • 683 Capital Management sold 200,000 Third Harmonic Bio shares in Q3 2025, an estimated $1.09M.
  • 683 Capital Management first reported a position in Third Harmonic Bio in Q1 2025 and held it in 2 quarters.
  • 683 Capital Management's Third Harmonic Bio position peaked at $1.09M in Q2 2025.
  • 18 funds tracked by Wall St. Rank held Third Harmonic Bio as of Q3 2025.

Based on 683 Capital Management's 13F filing for Q3 2025, filed 14 Nov 2025.