Engineers Gate Manager’s Disc Medicine IRON Stock Holding History

Engineers Gate Manager’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	$1.43M	Buy	19,552 +10,282	+111%	+$707K	0.02%	880
2026 Q1	$593K	Buy	9,270 +3,810	+70%	+$264K	0.01%	1315
2025 Q4	$434K	Buy	+5,460	New	+$461K	0.01%	1434
2025 Q2	–	Sell	-16,810	Closed	-$834K	–	2346
2025 Q1	$834K	Buy	16,810 +3,959	+31%	+$220K	0.01%	1167
2024 Q4	$815K	Buy	+12,851	New	+$743K	0.01%	1129
2024 Q2	–	Sell	-4,560	Closed	-$284K	–	2080
2024 Q1	$284K	Sell	4,560 -6,867	-60%	-$445K	0.01%	1489
2023 Q4	$660K	Buy	+11,427	New	+$585K	0.02%	1032
2022 Q1	–	Sell	-334	Closed	-$29K	–	2074
2021 Q4	$29K	Buy	+334	New	+$32.7K	﹤0.01%	1917

Other funds holding IRON

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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 New York $1.81T AUM 41.13% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

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 Malvern, Pennsylvania $4.68T AUM

Engineers Gate Manager's IRON Position: Q2 2026 in Review

Engineers Gate Manager increased its Disc Medicine (IRON) stake by 111% in Q2 2026, buying an estimated $707K and bringing the position to 19,552 shares worth $1.43M. The position accounts for 0.02% of the portfolio, ranked #880.

Engineers Gate Manager first reported a position in IRON in Q4 2021 and has held it in 8 quarters since. 217 funds tracked by Wall St. Rank hold IRON as of Q2 2026.

Engineers Gate Manager held 19,552 shares of Disc Medicine worth $1.43M as of Q2 2026.
Engineers Gate Manager bought 10,282 Disc Medicine shares in Q2 2026, an estimated $707K.
Disc Medicine made up 0.02% of Engineers Gate Manager's portfolio in Q2 2026, its #880 holding.
Engineers Gate Manager first reported a position in Disc Medicine in Q4 2021 and has held it in 8 quarters since.
217 funds tracked by Wall St. Rank held Disc Medicine as of Q2 2026.

Based on Engineers Gate Manager's 13F filing for Q2 2026, filed 14 Aug 2026.