Janus Henderson Group
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Janus Henderson Group’s Scholar Rock SRRK Stock Holding History

Janus Henderson Group’s Portfolio SRRK Stock Details SRRK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$110M Buy
2,236,837
+462,669
+26% +$20.7M 0.05% 275
2025
Q4 		$78.2M Sell
1,774,168
-1,239,277
-41% -$46.5M 0.04% 331
2025
Q3 		$112M Buy
3,013,445
+563,159
+23% +$19.7M 0.05% 262
2025
Q2 		$86.7M Buy
2,450,286
+780,099
+47% +$24.5M 0.04% 290
2025
Q1 		$54.8M Buy
1,670,187
+821,009
+97% +$31.6M 0.03% 360
2024
Q4 		$36.7M Buy
849,178
+835,145
+5,951% +$27.2M 0.02% 448
2024
Q3 		$112K Hold
14,033
– – ﹤0.01% 2505
2024
Q2 		$117K Sell
14,033
-295
-2% -$3.61K ﹤0.01% 2488
2024
Q1 		$254K Buy
14,328
+7
+0% +$110 ﹤0.01% 2304
2023
Q4 		$269K Buy
14,321
+37
+0.3% +$460 ﹤0.01% 2286
2023
Q3 		$101K Buy
14,284
+25
+0.2% +$168 ﹤0.01% 2516
2023
Q2 		$108K Sell
14,259
-27
-0.2% -$204 ﹤0.01% 2560
2023
Q1 		$115K Buy
+14,286
New +$145K ﹤0.01% 2606

Other funds holding SRRK

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Janus Henderson Group's SRRK Position: Q1 2026 in Review

Janus Henderson Group increased its Scholar Rock (SRRK) stake by 26% in Q1 2026, buying an estimated $20.7M and bringing the position to 2,236,837 shares worth $110M. The position accounts for 0.05% of the portfolio, ranked #275.

Janus Henderson Group first reported a position in SRRK in Q1 2023 and has held it in 13 quarters since. The position peaked at $112M in Q3 2025. 274 funds tracked by Wall St. Rank hold SRRK as of Q1 2026.

  • Janus Henderson Group held 2,236,837 shares of Scholar Rock worth $110M as of Q1 2026.
  • Janus Henderson Group bought 462,669 Scholar Rock shares in Q1 2026, an estimated $20.7M.
  • Scholar Rock made up 0.05% of Janus Henderson Group's portfolio in Q1 2026, its #275 holding.
  • Janus Henderson Group first reported a position in Scholar Rock in Q1 2023 and has held it in 13 quarters since.
  • Janus Henderson Group's Scholar Rock position peaked at $112M in Q3 2025.
  • 274 funds tracked by Wall St. Rank held Scholar Rock as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.