Jennison Associates
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Jennison Associates’s Disc Medicine IRON Stock Holding History

Jennison Associates’s Portfolio IRON Stock Details IRON Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$32.1M Sell
439,520
-170,862
-28% -$11.7M 0.02% 285
2026
Q1 		$39M Buy
610,382
+78,303
+15% +$5.43M 0.03% 253
2025
Q4 		$42.3M Buy
+532,079
New +$45M 0.03% 238
2024
Q2 		– Sell
-193,240
Closed -$12M – 590
2024
Q1 		$12M Buy
193,240
+150,209
+349% +$9.74M 0.01% 384
2023
Q4 		$2.49M Buy
+43,031
New +$2.2M ﹤0.01% 448

Other funds holding IRON

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VPC
Vestal Point Capital New York $4.28B AUM 239% 1-Year Est. Return
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Jennison Associates's IRON Position: Q2 2026 in Review

Jennison Associates reduced its Disc Medicine (IRON) stake by 28% in Q2 2026, selling an estimated $11.7M and leaving 439,520 shares worth $32.1M. The position accounts for 0.02% of the portfolio, ranked #285.

Jennison Associates first reported a position in IRON in Q4 2023 and has held it in 5 quarters since. The position peaked at $42.3M in Q4 2025. 217 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

  • Jennison Associates held 439,520 shares of Disc Medicine worth $32.1M as of Q2 2026.
  • Jennison Associates sold 170,862 Disc Medicine shares in Q2 2026, an estimated $11.7M.
  • Disc Medicine made up 0.02% of Jennison Associates's portfolio in Q2 2026, its #285 holding.
  • Jennison Associates first reported a position in Disc Medicine in Q4 2023 and has held it in 5 quarters since.
  • Jennison Associates's Disc Medicine position peaked at $42.3M in Q4 2025.
  • 217 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

Based on Jennison Associates's 13F filing for Q2 2026, filed 3 Aug 2026.