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ETV

Eaton Vance Tax-Managed Buy-Write Opportunities Fund

Company with tickers: ETV

CIK
1322436
CUSIP
27828Y108
Shares Outstanding
116,754,568
13F Activity (30d)
76 filings 73 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 182
Total Value: $300,805,498
Total Shares: 22,004,798
Showing 1–100 of 182 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 182 13F filers · Δ vs Dec 31, 2025
Top Holder
8.2%
Jun 2023 → Mar 2026 · range 8.2% – 11.2%
−1.3 pts
Top 5
34.0%
Jun 2023 → Mar 2026 · range 32.2% – 41.5%
+0.7 pts
Top 10
49.8%
Jun 2023 → Mar 2026 · range 47.8% – 57.1%
+0.7 pts
HHI
344
Jun 2023 → Mar 2026 · range 344 – 455
Broadly held−0

Quarterly Activity

vs Dec 31, 2025
New
34
Increased
63
Decreased
40
Sold Out
21
Unchanged
45
Holder count: +13
Institutional value: +52.8%
Shares held: +60.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 182
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Holder Value (USD) % of 13F Shares Open