Simplex Trading
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Simplex Trading’s Dianthus Therapeutics DNTH Stock Holding History

Simplex Trading’s Portfolio DNTH Stock Details DNTH Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$109K Sell
1,300
-39,700
-97% -$2.3M ﹤0.01% 4979
2025
Q4 		$1.69M Buy
41,000
+30,400
+287% +$1.18M ﹤0.01% 2118
2025
Q3 		$417K Buy
10,600
+5,600
+112% +$143K ﹤0.01% 4053
2025
Q2 		$93K Buy
5,000
+200
+4% +$3.75K ﹤0.01% 5308
2025
Q1 		$87K Buy
+4,800
New +$106K ﹤0.01% 5191
2023
Q2 		– Sell
-363
Closed -$4K – 9171
2023
Q1 		$4K Buy
+363
New +$4.02K ﹤0.01% 8158
2022
Q2 		– Sell
-44
Closed -$2K – 10156
2022
Q1 		$2K Hold
44
– – ﹤0.01% 9835
2021
Q4 		$3K Buy
+44
New +$4.42K ﹤0.01% 9808
2020
Q3 		– Hold
0
– -$3K – 7917
2020
Q2 		– Hold
0
– – – 7135

Other funds holding DNTH

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
APM
Avidity Partners Management Dallas, Texas $936M AUM 195% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
FFM
Fairmount Funds Management West Conshohocken, Pennsylvania $1.38B AUM 407.79% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
OCA
Octagon Capital Advisors New York $904M AUM 737.04% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Simplex Trading's DNTH Position: Q1 2026 in Review

Simplex Trading reduced its Dianthus Therapeutics (DNTH) stake by 89% in Q1 2026, selling an estimated $895K and leaving 1,875 shares worth $157K. The position accounts for ﹤0.01% of the portfolio, ranked #4586.

Simplex Trading first reported a position in DNTH in Q4 2019 and has held it in 16 quarters since. The position peaked at $714K in Q4 2025. 241 funds tracked by Wall St. Rank hold DNTH as of Q1 2026.

  • Simplex Trading held 1,875 shares of Dianthus Therapeutics worth $157K as of Q1 2026.
  • Simplex Trading sold 15,458 Dianthus Therapeutics shares in Q1 2026, an estimated $895K.
  • Dianthus Therapeutics made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #4586 holding.
  • Simplex Trading first reported a position in Dianthus Therapeutics in Q4 2019 and has held it in 16 quarters since.
  • Simplex Trading's Dianthus Therapeutics position peaked at $714K in Q4 2025.
  • 241 funds tracked by Wall St. Rank held Dianthus Therapeutics as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.