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SOR

Source Capital /De/

Company with tickers: SOR

CIK
91847
CUSIP
836144303
Shares Outstanding
8,230,971
13F Activity (30d)
42 filings 40 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: 55
Total Value: $68,252,075
Total Shares: 1,473,491

Institutional Ownership Trend

5 quarters

Holder Concentration

Across 55 13F filers · Δ vs Dec 31, 2025
Top Holder
20.5%
Mar 2025 → Mar 2026 · range 18.2% – 21.6%
+2.2 pts
Top 5
51.2%
Mar 2025 → Mar 2026 · range 51.2% – 54.3%
+0.0 pts
Top 10
72.1%
Mar 2025 → Mar 2026 · range 70.4% – 73.8%
+1.7 pts
HHI
806
Mar 2025 → Mar 2026 · range 733 – 888
Broadly held +73

Quarterly Activity

vs Dec 31, 2025
New
5
Increased
20
Decreased
18
Sold Out
10
Unchanged
12
Holder count: -5
Institutional value: -7.7%
Shares held: -8.8%

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 55 of 55
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Holder Value (USD) % of 13F Shares Open