Filing Details

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D/A

Under the Securities Exchange Act of 1934

(Amendment No. 3)¹

EATON VANCE SENIOR INCOME TRUST

(Name of Issuer)

Common Shares, $0.01 par value

(Title of Class of Securities)

27826S103

(CUSIP Number)

Saba Capital Management, L.P.

405 Lexington Avenue

58th Floor

New York, New York 10174

Attention: Michael D'Angelo

(212) 542-4635

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

August 4, 2020

(Date of Event Which Requires Filing of This Statement)

 If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box ☒.

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¹ 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 disclosures provided in a prior cover page.

 The information required on 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).

1	NAME OF REPORTING PERSONS Saba Capital Management, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*(a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 7,361,8821
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 7,361,882
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,361,882
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 19.4%
14	TYPE OF REPORTING PERSON PN; IA

The percentages used herein are calculated based upon 37,866,607 common shares outstanding as of 12/31/2019, as disclosed in the Issuer's N-CSRS filed 2/26/2020.

1	NAME OF REPORTING PERSONS Boaz R. Weinstein
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*(a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 7,361,8822
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 7,361,882
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,361,882
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 19.4%
14	TYPE OF REPORTING PERSON IN

The percentages used herein are calculated based upon 37,866,607 common shares outstanding as of 12/31/2019, as disclosed in the Issuer's N-CSRS filed 2/26/2020.

1	NAME OF REPORTING PERSONS Saba Capital Management GP, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*(a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS OO (see Item 3)
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH	7	SOLE VOTING POWER - 0 -
	8	SHARED VOTING POWER 7,361,8823
	9	SOLE DISPOSITIVE POWER - 0 -
	10	SHARED DISPOSITIVE POWER 7,361,882
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,361,882
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 19.4%
14	TYPE OF REPORTING PERSON OO

The percentages used herein are calculated based upon 37,866,607 common shares outstanding as of 12/31/2019, as disclosed in the Issuer's N-CSRS filed 2/26/2020.

Item 1. SECURITY AND ISSUER

This Amendment No. 3 amends and supplements the statement on Schedule 13D filed with the SEC on 6/8/2020, as Amended by Amendment No. 1 filed 7/21/2020, and Amendment No. 2 filed 8/3/2020; with respect to the common shares of Eaton Vance Senior Income Trust.  This Amendment No. 3 amends Items 3 and 5, as set forth below.

Item 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

Funds for the purchase of the Common Shares were derived from the subscription proceeds from investors and the capital appreciation thereon and margin account borrowings made in the ordinary course of business.  In such instances, the positions held in the margin accounts are pledged as collateral security for the repayment of debit balances in the account, which may exist from time to time.  Since other securities are held in the margin accounts, it is not possible to determine the amounts, if any, of margin used to purchase the Common Shares reported herein. A total of approximately $41,076,796 was paid to acquire the Common Shares reported herein.

Item 5. INTEREST IN SECURITIES OF THE ISSUER

(a) See rows (11) and (13) of the cover pages to this Schedule 13D/A for the aggregate number of Common Shares and percentages of the Common Shares beneficially owned by each of the Reporting Persons.  The percentages used herein are calculated based upon 37,866,607 common shares outstanding as of 12/31/2019, as disclosed in the Issuer's N-CSRS filed 2/26/2020

(b) See rows (7) through (10) of the cover pages to this Schedule 13D/A for the number of Common Shares as to which each Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition.

(c) The transactions in the Common Shares effected since the Amendment No. 2 filing on 8/3/20 by the Reporting Persons, which were all in the open market, are set forth in Schedule A, and are incorporated herein by reference.

(d) The funds and accounts advised by Saba Capital have the right to receive the dividends from and proceeds of sales from the Common Shares.

(e) Not applicable.

SIGNATURES

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

Date: August 6, 2020

	SABA CAPITAL MANAGEMENT, L.P.
	By:	/s/ Michael D'Angelo
		Name:	Michael D'Angelo
		Title:	Chief Compliance Officer

 

	BOAZ R. WEINSTEIN
	/s/ Michael D'Angelo
	Name: Michael D'Angelo
	Title: Attorney-in-fact*

 

	SABA CAPITAL MANAGEMENT GP, LLC
	By:	Boaz R. Weinstein, its Managing Member
	By:	/s/ Michael D'Angelo
		Name:	Michael D'Angelo
		Title:	Attorney-in-fact*

* Pursuant to a power of attorney dated as of November 16, 2015, which is incorporated herein by reference to Exhibit 2 to the Schedule 13G filed by the Reporting Persons on December 28, 2015, accession number: 0001062993-15-006823

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Schedule A

 This Schedule sets forth information with respect to each purchase and sale of Common Shares which were effectuated by Saba Capital since the filing of the Amendment No. 2 on 8/3/2020. All transactions were effectuated in the open market through a broker

Trade Date	Buy/Sell	Shares	Price
8/5/2020	Buy	4,347	5.80
8/4/2020	Buy	402,533	5.78
8/3/2020	Buy	203,837	5.75

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