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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )*
IVERIC bio, Inc.
(Name of Issuer)
Common Stock, $0.001 par value per share
(Title of Class of Securities)
46583P102
(CUSIP Number)
12/31/2019
(Date of Event which Requires
Filing of this Statement)
Check the appropriate box to designate the rule pursuant to
which this Schedule is filed:
[X] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect to
the subject class of securities, and for any subsequent
amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page
shall not be deemed to be "filed" for the purpose of Section 18
of the Securities Exchange Act of 1934 ("Act") or otherwise
subject to the liabilities of that section of the Act but shall
be subject to all other provisions of the Act (however, see the
Notes).
CUSIP No. 46583P102 SCHEDULE 13G Page 2 of 8
1 Names of Reporting Persons
Tamarack Advisers, LP
IRS Identification No. of Above Person (entities only)
47-4492240
2 Check the Appropriate Box if a Member of a Group
(a) [ ]
(See instructions) (b) [ ]
3 SEC USE ONLY
4 Citizenship or Place of Organization
Delaware
5 Sole Voting Power
2,650,000
NUMBER OF 6 Shared Voting Power
SHARES
BENEFICIALLY -0-
OWNED BY EACH
REPORTING 7 Sole Dispositive Power
PERSON WITH
2,650,000
8 Shared Dispositive Power
-0-
9 Aggregate Amount Beneficially Owned by each Reporting
Person
2,650,000
10 Check if the Aggregate Amount in Row (9) Excludes Certain
Shares (see instructions) [ ]
11 Percent of Class Represented by Amount in Row 9
5.5%
12 Type of Reporting Person (See Instructions)
IA
CUSIP No. 46583P102 SCHEDULE 13G Page 3 of 8
1 Names of Reporting Persons
Tamarack Capital GP, LLC
IRS Identification No. of Above Person (entities only)
47-4492240
2 Check the Appropriate Box if a Member of a Group
(a) [ ]
(See instructions) (b) [ ]
3 SEC USE ONLY
4 Citizenship or Place of Organization
Delaware
5 Sole Voting Power
2,650,000
NUMBER OF 6 Shared Voting Power
SHARES
BENEFICIALLY -0-
OWNED BY EACH
REPORTING 7 Sole Dispositive Power
PERSON WITH
2,650,000
8 Shared Dispositive Power
-0-
9 Aggregate Amount Beneficially Owned by each Reporting
Person
2,650,000
10 Check if the Aggregate Amount in Row (9) Excludes Certain
Shares (see instructions) [ ]
11 Percent of Class Represented by Amount in Row 9
5.5%
12 Type of Reporting Person (See Instructions)
HC
CUSIP No. 46583P102 SCHEDULE 13G Page 4 of 8
1 Names of Reporting Persons
Justin J. Ferayorni
IRS Identification No. of Above Person (entities only)
-----------
2 Check the Appropriate Box if a Member of a Group
(a) [ ]
(See instructions) (b) [ ]
3 SEC USE ONLY
4 Citizenship or Place of Organization
United States
5 Sole Voting Power
2,650,000
NUMBER OF 6 Shared Voting Power
SHARES
BENEFICIALLY -0-
OWNED BY EACH
REPORTING 7 Sole Dispositive Power
PERSON WITH
2,650,000
8 Shared Dispositive Power
-0-
9 Aggregate Amount Beneficially Owned by each Reporting
Person
2,650,000
10 Check if the Aggregate Amount in Row (9) Excludes Certain
Shares (see instructions) [ ]
11 Percent of Class Represented by Amount in Row 9
5.5%
12 Type of Reporting Person (See Instructions)
IN
CUSIP No. 46583P102 SCHEDULE 13G Page 5 of 8
Item 1(a). Name of Issuer.
IVERIC bio, Inc.
Item 1(b). Address of Issuer's Principal Executive Offices.
One Penn Plaza, 35th Floor, New York, NY 10119
Item 2(a). Name of Person Filing.
Tamarack Advisers, LP, Tamarack Capital GP, LLC, and Justin
J. Ferayorni
Item 2(b). Address of Principal Business Office or, if none,
Residence.
The business address of Tamarack Advisers, LP, Tamarack
Capital GP, LLC, and Justin J. Ferayorni is 5050 Avenida
Encinas, Suite 360, Carlsbad, CA 92008.
Item 2(c). Citizenship.
Tamarack Advisers, LP is a Delaware limited Partnership,
Tamarack Capital GP, LLC is a Delaware limited liability
company, and Justin J. Ferayorni is a United States citizen.
Item 2(d). Title of Class of Securities.
Common Stock, $0.001 par value per share
Item 2(e). CUSIP Number.
46583P102
Item 3. If this statement is filed pursuant to 240.13d-
1(b) or 240.13d-2(b) or (c), check whether the person filing is
a:
(a) [ ] Broker or dealer registered under section 15 of the
Act (15 U.S.C. 78o).
(b) [ ] Bank as defined in section 3(a)(6) of the Act (15
U.S.C. 78c).
(c) [ ] Insurance company as defined in section 3(a)(19) of
the Act (15 U.S.C. 78c).
CUSIP No. 46583P102 SCHEDULE 13G Page 6 of 8
(d) [ ] Investment company registered under section 8 of the
Investment Company act of 1940 (15 U.S.C. 80a-8).
(e) [X] An investment adviser in accordance with 240.13d-
1(b)(1)(ii)(E). (for Tamarack Advisers, LP)
(f) [ ] An employee benefit plan or endowment fund in
accordance with 240.13d-1(b)(1)(ii)(F).
(g) [X] A parent holding company or control person in
accordance with 240.13d-1(b)(1)(ii)(G). (for Tamarack Capital
GP, LLC and Mr. Ferayorni)
(h) [ ] A savings association as defined in Section 3(b) of
the Federal Deposit Insurance Act (12 U.S.C. 1813).
(i) [ ] A church plan that is excluded form the definition of
an investment company under section 3(c)(14) of the Investment
Company act of 1940 (15 U.S.C. 80a-3).
(j) [ ] A non-U.S. institution in accordance with Rule
240.13d-1(b)(1)(ii)(J);
(K) [ ] Group, in accordance with 240.13d-1(b)(1)(ii)(K). If
filing as a non-U.S. institution in accordance with Rule
240.13d-1(b)(1)(ii)(J), please specify the type of institution:
______
Item 4. Ownership.
Reference is hereby made to Items 5-9 and 11 of pages two
(2), three(3), and four(4) of this Schedule 13G, which Items
are incorporated by reference herein.
Item 5. Ownership of Five Percent or Less of a Class.
Not applicable.
CUSIP No. 46583P102 SCHEDULE 13G Page 7 of 8
Item 6. Ownership of More Than Five Percent on Behalf of
Another Person.
Tamarack Advisers, LP ("Tamarack ALP") is deemed to be the
beneficial owner of the number of securities reflected in Item
5-9 and 11 of page two (2) of this Schedule 13G pursuant to
separate arrangements whereby it acts as investment adviser to
certain persons. Each person for whom Tamarack ALP acts as
investment adviser has the right to receive or the power to
direct the receipt of dividends from, or the proceeds from the
sale of, the Common Stock purchased or held pursuant to such
arrangements. Tamarack Capital GP, LLC is deemed to be the
beneficial owner of the number of securities reflected in Item
5-9 and 11 of page three (3) of this Schedule 13G because of
its position of general partner and majority owner of Tamarack
ALP. Mr. Ferayorni is deemed to be the beneficial owner of the
number of securities reflected in Item 5-9 and 11 of page four
(4) of this Schedule 13G because of his position of managing
member and majority owner of Tamarack Capital GP, LLC and
Tamarack ALP.
Item 7. Identification and Classification of the
Subsidiary which Acquired the Security Being Reported on by the
Parent Holding Company or Control Person.
Not applicable.
Item 8. Identification and Classification of Members of
the Group.
Not applicable.
Item 9. Notice of Dissolution of Group.
Not applicable.
Item 10. Certification.
By signing below, Justin J. Ferayorni certifies that, to
the best of his knowledge and belief, the securities referred
to above on page two (2), three (3), and four (4) of this
Schedule 13G were acquired and are held in the ordinary course
of business and were not acquired and are not held for the
purpose of or with the effect of changing or influencing the
control of the issuer of the securities and were not acquired
and are not held in connection with or as a participant in any
transaction having that purpose or effect.
CUSIP No. 46583P102 SCHEDULE 13G Page 8 of 8
Signature
After reasonable inquiry and to the best of his knowledge
and belief, the undersigned certify that the information set
forth in this statement is true, complete and correct.
DATED: February 12, 2020
Tamarack Advisers, LP
/s/ Justin J. Ferayorni
________________________
By: Justin J. Ferayorni
its: Managing Member of its General
Partner
Tamarack Capital GP, LLC
/s/ Justin J. Ferayorni
________________________
By: Justin J. Ferayorni
its: Managing Member
Justin J. Ferayorni
/s/ Justin J. Ferayorni
________________________
By: Justin J. Ferayorni
Attention: Intentional misstatements or omissions of fact
constitute Federal criminal violations (See 18 U.S.C. 1001)