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STK

Columbia Seligman Premium Technology Growth Fund, Inc.

Company with tickers: STK

CIK
1471420
CUSIP
19842X109
Shares Outstanding
17,661,327
13F Activity (30d)
46 filings 44 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: 80
Total Value: $114,988,429
Total Shares: 3,031,597

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 80 13F filers · Δ vs Dec 31, 2025
Top Holder
13.3%
Jun 2023 → Mar 2026 · range 13.3% – 27.3%
−0.8 pts
Top 5
47.1%
Jun 2023 → Mar 2026 · range 47.1% – 65.0%
−2.4 pts
Top 10
67.8%
Jun 2023 → Mar 2026 · range 66.8% – 81.1%
+1.0 pts
HHI
605
Jun 2023 → Mar 2026 · range 605 – 1,177
Broadly held −26

Quarterly Activity

vs Dec 31, 2025
New
12
Increased
31
Decreased
15
Sold Out
9
Unchanged
22
Holder count: +3
Institutional value: +8.4%
Shares held: +5.1%

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 80 of 80
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Holder Value (USD) % of 13F Shares Open