Disc Medicine, Inc. - Common Stock, $0.0001 par value per share (IRON)
CUSIP: 254604101
Q1 2023 13F Holders as of 31 Mar 2023
- Type / Class
- Equity / Common Stock, $0.0001 par value per share
- Shares outstanding
- 37,778,373
- Total 13F shares
- 14,612,435
- Share change
- +3,638,700
- Total reported value
- $309,637,635
- Price per share
- $21.19
- Number of holders
- 45
- Value change
- +$77,103,451
- Number of buys
- 27
- Number of sells
- 6
Quarterly Holders Quick Answers
What is CUSIP 254604101?
CUSIP 254604101 identifies IRON - Disc Medicine, Inc. - Common Stock, $0.0001 par value per share in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 254604101:
Top shareholders of IRON - Disc Medicine, Inc. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Braden M. Leonard |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
5,247,500
|
$354,993,375 | — | 26 Oct 2022 | |
| Atlas Venture Life Science Advisors, LLC |
13F
|
Company |
9.2%
|
3,461,784
|
$68,854,884 | — | 31 Dec 2022 | |
| Novo Holdings A/S |
13F
|
Company |
6.2%
|
2,340,772
|
$46,557,962 | — | 31 Dec 2022 | |
| ORBIMED ADVISORS LLC |
13F
|
Company |
5.7%
|
2,160,941
|
$42,981,116 | — | 31 Dec 2022 | |
| James B. Tananbaum |
3/4/5
|
Director, 10%+ Owner |
—
mixed-class rows
|
428,745
mixed-class rows
|
$27,837,975 | — | 04 Oct 2021 | |
| Atlas Venture Opportunity Fund II, L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
218,326
|
$14,769,754 | — | 29 Dec 2022 | |
| 5AM Venture Management, LLC |
13F
|
Company |
1.6%
|
588,442
|
$11,704,111 | — | 31 Dec 2022 | |
| BML Capital Management, LLC |
13F
|
Company |
1.3%
|
500,000
|
$9,945,000 | — | 31 Dec 2022 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
0.93%
|
350,062
|
$6,962,733 | — | 31 Dec 2022 | |
| Rock Springs Capital Management LP |
13F
|
Company |
0.9%
|
339,497
|
$6,752,595 | — | 31 Dec 2022 | |
| Foresite Capital Management V, LLC |
13F
|
Company |
0.64%
|
243,513
|
$4,843,454 | — | 31 Dec 2022 | |
| FMR LLC |
13F
|
Company |
0.51%
|
193,238
|
$3,843,504 | — | 31 Dec 2022 | |
| Nantahala Capital Management, LLC |
13F
|
Company |
0.43%
|
162,762
|
$3,063,181 | — | 31 Dec 2022 | |
| Trustees of Columbia University in the City of New York |
13F
|
Company |
0.29%
|
110,488
|
$2,198,000 | — | 31 Dec 2022 | |
| Assenagon Asset Management S.A. |
13F
|
Company |
0.18%
|
68,426
|
$1,361,000 | — | 31 Dec 2022 | |
| Brian Piekos |
3/4/5
|
CFO |
—
class O/S missing
|
17,615
|
$1,191,655 | — | 31 May 2022 | |
| VANGUARD GROUP INC |
13F
|
Company |
0.15%
|
55,863
|
$1,111,115 | — | 31 Dec 2022 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.15%
|
55,678
|
$1,107,435 | — | 31 Dec 2022 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
1.3%
|
500,330
|
$981,597 | — | 31 Dec 2022 | |
| ExodusPoint Capital Management, LP |
13F
|
Company |
0.08%
|
30,232
|
$601,000 | — | 31 Dec 2022 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.07%
|
27,160
|
$540,000 | — | 31 Dec 2022 | |
| HARVARD MANAGEMENT CO INC |
13F
|
Company |
0.07%
|
25,000
|
$497,250 | — | 31 Dec 2022 | |
| BlackRock Finance, Inc. |
13F
|
Company |
0.05%
|
20,082
|
$399,432 | — | 31 Dec 2022 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.04%
|
14,761
|
$294,000 | — | 31 Dec 2022 | |
| STIFEL FINANCIAL CORP |
13F
|
Company |
0.04%
|
13,722
|
$272,930 | — | 31 Dec 2022 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.03%
|
12,970
|
$258,000 | — | 31 Dec 2022 | |
| STATE STREET CORP |
13F
|
Company |
0.03%
|
10,189
|
$202,659 | — | 31 Dec 2022 | |
| Boxer Capital, LLC |
13F
|
Company |
0.34%
|
130,000
|
$175,500 | — | 31 Dec 2022 | |
| UBS Group AG |
13F
|
Company |
0.02%
|
7,115
|
$141,517 | — | 31 Dec 2022 | |
| CITIGROUP INC |
13F
|
Company |
0.01%
|
5,087
|
$101,180 | — | 31 Dec 2022 | |
| US BANCORP \DE\ |
13F
|
Company |
0%
|
1,176
|
$23,391 | — | 31 Dec 2022 | |
| MORGAN STANLEY |
13F
|
Company |
0%
|
821
|
$16,334 | — | 31 Dec 2022 | |
| BARCLAYS PLC |
13F
|
Company |
0%
|
200
|
$3,978 | — | 31 Dec 2022 | |
| Ulland Investment Advisors, LLC |
13F
|
Company |
0%
|
34
|
$1,000 | — | 31 Dec 2022 | |
| TCI Wealth Advisors, Inc. |
13F
|
Company |
0%
|
20
|
$398 | — | 31 Dec 2022 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0%
|
2
|
$40 | — | 31 Dec 2022 | |
| Jason Patrick Meyenburg |
3/4/5
|
Chief Executive Officer, Director |
—
class O/S missing
|
123,600
|
— | — | 03 Jan 2022 | |
| Carl L. Gordon |
3/4/5
|
Director, 10%+ Owner |
—
class O/S missing
|
17,245
|
— | — | 04 Oct 2021 | |
| Jason P. Rhodes |
3/4/5
|
Director, 10%+ Owner |
—
class O/S missing
|
17,245
|
— | — | 04 Oct 2021 | |
| Tuyen Ong |
3/4/5
|
Director |
—
class O/S missing
|
15,528
|
— | — | 04 Oct 2021 | |
| Backstrom Jay T. |
3/4/5
|
Director |
—
class O/S missing
|
7,000
|
— | — | 29 Dec 2022 |
Institutional Holders of Disc Medicine, Inc. - Common Stock, $0.0001 par value per share (IRON) as of Q1 2023
As of 31 Mar 2023,
Disc Medicine, Inc. - Common Stock, $0.0001 par value per share (IRON) was held by
45 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
14,612,435 shares.
The largest 10 holders included
Atlas Venture Life Science Advisors, LLC, Novo Holdings A/S, ORBIMED ADVISORS LLC, Bain Capital Life Sciences Investors, LLC, ADAGE CAPITAL PARTNERS GP, L.L.C., 5AM Venture Management, LLC, Logos Global Management LP, VANGUARD GROUP INC, Rock Springs Capital Management LP, and Foresite Capital Management V, LLC.
This page lists
45
institutional shareholders reporting positions in this security
for the Q1 2023 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2023 vs Q4 2022 Across Filers
Q4 2022 holders
30
Q1 2023 holders
45
Holder diff
15
| Investor | Q4 2022 Shares | Q1 2023 Shares | Share Diff | Share Chg % | Q4 2022 Value $ | Q1 2023 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.