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Rock Springs Capital Management’s Tarsus Pharmaceuticals TARS Stock Holding History

Rock Springs Capital Management’s Portfolio TARS Stock Details TARS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$17.4M Buy
277,087
+51,908
+23% +$3.32M 0.85% 38
2026
Q1 		$15.8M Sell
225,179
-35,165
-14% -$2.46M 0.93% 35
2025
Q4 		$21.3M Sell
260,344
-28,000
-10% -$2.09M 1.09% 29
2025
Q3 		$17.1M Sell
288,344
-85,406
-23% -$4.2M 1% 34
2025
Q2 		$15.1M Buy
373,750
+19,374
+5% +$872K 0.94% 36
2025
Q1 		$18.2M Buy
354,376
+243,487
+220% +$12M 1.04% 35
2024
Q4 		$6.14M Buy
+110,889
New +$5.04M 0.23% 72

Other funds holding TARS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $2.2B AUM 156.35% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Rock Springs Capital Management's TARS Position: Q2 2026 in Review

Rock Springs Capital Management increased its Tarsus Pharmaceuticals (TARS) stake by 23% in Q2 2026, buying an estimated $3.32M and bringing the position to 277,087 shares worth $17.4M. The position accounts for 0.85% of the portfolio, ranked #38.

Rock Springs Capital Management first reported a position in TARS in Q4 2024 and has held it in 7 quarters since. The position peaked at $21.3M in Q4 2025. 257 funds tracked by Wall St. Rank hold TARS as of Q2 2026.

  • Rock Springs Capital Management held 277,087 shares of Tarsus Pharmaceuticals worth $17.4M as of Q2 2026.
  • Rock Springs Capital Management bought 51,908 Tarsus Pharmaceuticals shares in Q2 2026, an estimated $3.32M.
  • Tarsus Pharmaceuticals made up 0.85% of Rock Springs Capital Management's portfolio in Q2 2026, its #38 holding.
  • Rock Springs Capital Management first reported a position in Tarsus Pharmaceuticals in Q4 2024 and has held it in 7 quarters since.
  • Rock Springs Capital Management's Tarsus Pharmaceuticals position peaked at $21.3M in Q4 2025.
  • 257 funds tracked by Wall St. Rank held Tarsus Pharmaceuticals as of Q2 2026.

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