Form: SC 13G

Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

April 10, 2000

SC 13G: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

Published on April 10, 2000



SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549


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Under the Securities Exchange Act of 1934

SCHEDULE 13G

INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
UNDER THE SECURITIES EXCHANGE ACT OF 1934



Emcore Corporation
------------------
(Name of Issuer)



Common Stock
------------
(Title of Class of Securities)



290846104
---------
(CUSIP Number)



March 31, 2000
------------------------------------------------------------
(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)

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Page 1 of 6 Pages


SCHEDULE 13G

CUSIP No. 290846104 Page 2 of 6 Pages
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1) NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

Gilder Gagnon Howe & Co. LLC
13-3174112
- --------------------------------------------------------------------------------
2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) |_|
(b) |_|
- --------------------------------------------------------------------------------
3) SEC USE ONLY

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4) CITIZENSHIP OR PLACE OF ORGANIZATION

New York
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NUMBER 5) SOLE VOTING POWER
OF
SHARES None
BENEFICIALLY ----------------------------------------------
OWNED BY 6) SHARED VOTING POWER
EACH
REPORTING None
PERSON ----------------------------------------------
WITH 7) SOLE DISPOSITIVE POWER

None
----------------------------------------------
8) SHARED DISPOSITIVE POWER

948,745
- -------------------------------------------------------------------------------
9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

948,745
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10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

[ ]
- -------------------------------------------------------------------------------
11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

6.1%
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12) TYPE OF REPORTING PERSON

BD
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Schedule 13G

Item 1(a). Name of Issuer:

Emcore Corporation

Item 1(b). Address of Issuer's Principal Executive Offices:

394 Elizabeth Avenue
Somerset, NJ 08873

Item 2(a). Name of Person Filing:

Gilder Gagnon Howe & Co. LLC

Item 2(b). Address of Principal Business Office or, if None, Residence:

1775 Broadway, 26th Floor
New York, NY 10019

Item 2(c). Citizenship:

New York

Item 2(d). Title of Class of Securities:

Common Stock

Item 2(e). CUSIP Number:

290846104

Item 3. If this statement is filed pursuant toss.ss.240.13d-1(b), or
240.13d-2(b) or (c), check whether the person filing is a:

(a) [x] 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)

(d) |_| Investment Company registered under section 8 of
the Investment Company Act of 1940 (15 U.S.C. 80a-8)

(e) |_| Investment Adviser in accordance
withss.240.13d-1(b)(1)(ii)(E)

(f) |_| Employee benefit plan or endowment fund in accordance
withss.240.13d-1(b)(1)(ii)(F)

(g) |_| Parent Holding Company or control person in
accordance withss.240.13d-1(b)(ii)(G)

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(h) |_| Savings Association as defined inss.3(b) of the
Federal Deposit Insurance Act (12 U.S.C. 1813)

(i) |_| Church plan that is excluded from the definition of
an investment company under ss.3(c)(15) of the
Investment Company Act of 1940 (15 U.S.C. 80a-3)

(j) |_| Group, in accordance withss.240.13d-1(b)(ii)(J)

Item 4. Ownership.

(a) Amount beneficially owned: 948,745

(b) Percent of class: 6.1%

(c) Number of shares as to which such person has:

(i) Sole power to vote or to direct the vote:
None

(ii) Shared power to vote or to direct the vote:
None

(iii) Sole power to dispose or to direct the
disposition of: None

(iv) Shared power to dispose or to direct the
disposition of: 948,745

The shares reported include 935,585 shares held in customer accounts over which
members and/or employees of the Reporting Person have discretionary authority to
dispose of or direct the disposition of the shares and 13,160 shares held in
accounts owned by the members of the Reporting Person and their families.

Item 5. Ownership of Five Percent or Less of a Class.

Not applicable.

Item 6. Ownership of More than Five Percent on Behalf of Another
Person.

The owners of the accounts in which the shares reported on
this schedule are held have the right to receive or the power to direct the
receipt of dividends from, or the proceeds from the sale of, such securities.

Item 7. Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on by the Parent Holding
Company.

Not applicable

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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 I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired in the ordinary
course of business and were not acquired for the purpose of and do not have the
effect of changing or influencing the control of the issuer of such securities
and were not acquired in connection with or as a participant in any transaction
having such purposes or effect.


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SIGNATURE


After reasonable inquiry and to the best knowledge and belief of
the undersigned, the undersigned certifies that the information set forth in
this Statement is true, complete and correct.


April 10, 2000
------------------------------------
Date


/s/ Walter Weadock
------------------------------------
Signature


Walter Weadock, Member
------------------------------------
Name/Title

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