ProShare Advisors’s Disc Medicine IRON Stock Holding History

ProShare Advisors’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 Q1	$364K	Sell	5,688 -539	-9%	-$37.4K	﹤0.01%	1236
2025 Q4	$494K	Buy	6,227 +1,039	+20%	+$87.8K	﹤0.01%	1135
2025 Q3	$343K	Sell	5,188 -1,157	-18%	-$68.8K	﹤0.01%	1334
2025 Q2	$336K	Sell	6,345 -155	-2%	-$7.28K	﹤0.01%	1370
2025 Q1	$323K	Sell	6,500 -466	-7%	-$25.9K	﹤0.01%	1361
2024 Q4	$442K	Buy	6,966 +1,458	+26%	+$84.3K	﹤0.01%	1348
2024 Q3	$271K	Buy	+5,508	New	+$259K	﹤0.01%	1530
2024 Q2	–	Sell	-3,385	Closed	-$211K	–	1921
2024 Q1	$211K	Buy	+3,385	New	+$219K	﹤0.01%	1640

Other funds holding IRON

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

FLSM

Frazier Life Sciences Management Palo Alto, California $3.89B AUM 201.1% 1-Year Est. Return

TCM

TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

ProShare Advisors's IRON Position: Q1 2026 in Review

ProShare Advisors reduced its Disc Medicine (IRON) stake by 8.7% in Q1 2026, selling an estimated $37.4K and leaving 5,688 shares worth $364K. The position accounts for ﹤0.01% of the portfolio, ranked #1236.

ProShare Advisors first reported a position in IRON in Q1 2024 and has held it in 8 quarters since. The position peaked at $494K in Q4 2025. 203 funds tracked by Wall St. Rank hold IRON as of Q1 2026.

ProShare Advisors held 5,688 shares of Disc Medicine worth $364K as of Q1 2026.
ProShare Advisors sold 539 Disc Medicine shares in Q1 2026, an estimated $37.4K.
Disc Medicine made up ﹤0.01% of ProShare Advisors's portfolio in Q1 2026, its #1236 holding.
ProShare Advisors first reported a position in Disc Medicine in Q1 2024 and has held it in 8 quarters since.
ProShare Advisors's Disc Medicine position peaked at $494K in Q4 2025.
203 funds tracked by Wall St. Rank held Disc Medicine as of Q1 2026.

Based on ProShare Advisors's 13F filing for Q1 2026, filed 27 Apr 2026.