IRON

Disc Medicine INC

-$350.7M

Net Activity

Institutions Holding

206

Popularity Rank

#2811

Avg Weight

0.38%

Total Value

$2.7B

Ownership Trend

206 institutions currently hold IRON, with 124 net buyers and 85 net sellers this quarter.

Institutional Moves

Institutional Moves (Q1 2026)

Majority Increased

Based on recent trading activity

Net Selling Institutions

85

Net Buying Institutions

124

Key Holders

Key Holders

Top 5 by Value

FL
FMR LLC
$357.2M
RC
Ra Capital Management, L.p.
$156.7M
BI
BlackRock, Inc.
$145.4M
WM
Wellington Management Group LLP
$111.0M
SS
State Street CORP
$108.6M

Top 5 by Conviction

AV
Atlas Venture Life Science Advisors, LLC
12.25%
FC
Foresite Capital Management V, LLC
8.83%
CC
Checkpoint Capital L.P.
6.58%
SV
Saturn V Capital Management LP
5.21%
PA
Palo Alto Investors LP
3.93%
View all 206 holding institutions

Quarterly Activity

Recent Activity

+$1.8B

Total Buy Value

$961.0M

Total Sell Value

New buy42
Trim45
Add82
Sold out40

124

Net Buyers

85

Net Sellers

Insider Trading (Form 4)

Form 144 Pre-Sale Notices

7

Filings (90d)

$8.40M

Total Est. Value

116K shares

Planned Shares

Last Filed 2026-07-13
FilerFiling DateEst. Value
JOHN QUISEL2026-07-13$2.53M
JONATHAN YU2026-07-07$770K
Khara Rahul2026-06-26$175K
Yu Jonathan Yen-Wen2026-06-22$708K
Quisel John D2026-06-18$2.39M
Khara Rahul2026-06-18$527K
Yu Jonathan Yen-Wen2026-06-16$1.30M

Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。

Beneficial Ownership (13D/13G)

No Schedule 13D/13G filings for this ticker

Material Events (8-K)

1

Filings (14d)

Data as of 2026-06-30
2026-06-30

Disc Medicine, Inc. amended its loan agreement with Hercules Capital on June 25, 2026. The amendment secures an immediate $30 million draw, restructures $50 million in borrowing into two tranches with extended draw periods through early 2027, and pushes back the minimum cash covenant test date to July 2028.

View Full Filing (SEC EDGAR)

View all Form 8-K filings

FAQ

Who are the top institutional investors holding DISC MEDICINE INC (IRON)?
Major stakeholders currently include FMR LLC ($357.2M), Ra Capital Management, L.p. ($156.7M), BlackRock, Inc. ($145.4M). Based on the latest 13F filings, there are a total of 206 tracked investment funds and institutions maintaining positions in IRON.
What is the overall institutional sentiment toward IRON recently?
Institutional sentiment appears Bearish (Net Selling). During the most recent reporting quarter, the stock experienced a net outflow of $350.7M, driven by 124 managers accumulating shares while 85 reduced their exposure.
Which institutions have been selling or reducing their IRON positions?
In the latest period, 45 funds trimmed their holdings, and 40 managers completely exited their positions. The aggregate reported sell value was $961.0M.
Are there any notable investors adding IRON to their portfolios?
Yes, buying activity remains notable. 42 institutions opened new positions in {ticker}, and 82 existing holders added to their shares. The total reported buy value for the quarter amounted to $1.8B.

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