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STK · Columbia Seligman Premium Technology Growth Fund, Inc. · Holdings

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$51.65 +0.56 (+1.10%) At close · Sep 11
Market Cap
$921.34M
Shares
17.70M

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: 100
Total Value: $178,034,964
Total Shares: 3,304,901

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 100 13F filers · Δ vs Mar 31, 2026
Top Holder
12.1%
Sep 2023 → Jun 2026 · range 12.1% – 16.8%
−1.3 pts
Top 5
45.3%
Sep 2023 → Jun 2026 · range 45.3% – 60.8%
−1.9 pts
Top 10
65.4%
Sep 2023 → Jun 2026 · range 65.4% – 77.7%
−2.4 pts
HHI
563
Sep 2023 → Jun 2026 · range 563 – 867
Broadly held−43

Quarterly Activity

vs Mar 31, 2026
New
26
Increased
26
Decreased
27
Sold Out
6
Unchanged
21
Holder count: +20
Institutional value: +54.8%
Shares held: +9.0%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 100
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1471420 CUSIP 19842X109 13F (30d) 26 filings 26 filers Visit website Investor relations