🎉 Founding Member Beta — Join our Discord and get 3 months of Pro free. Learn more →

Old Second Bancorp, Inc.

OSBC Financials
$21.08 $0 (0.00%)
Market Cap: $1.08 B
Gurus Holding
4
Popularity Rank
#2316
% of Shares Held
1.19%
Net Activity (Q1 2026)
-$1.03 M

Guru Ownership Trend

Guru Analysis for Old Second Bancorp, Inc. (OSBC)

Old Second Bancorp, Inc. (OSBC), a key player in the Financials sector, continues to attract institutional attention.

As of Q1 2026, a total of 4 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $12.9 M.

Top institutional holders include Cliff Asness and Ken Fisher.

Institutional sentiment is currently Slightly Bearish. This is evidenced by a $1.03 M net outflow during the quarter.

Recent activity highlights Renaissance Technologies (RenTech) who increased their stake by 4.5%. Conversely, Cliff Asness reduced exposure by 12.3%.

Key Holders

Top 5 by Value

Top 5 by Conviction

Recent Activity Breakdown (Q1 2026)

+$78,624
Total Buy Value
New Buys 0
Additions 1
-$1.11 M
Total Sell Value
Reductions 1
Sold Out 0

Guru Consensus (Q1 2026)

Based on recent activity
Net Sellers
1
Net Buyers
1

FAQs for Old Second Bancorp, Inc. (OSBC)

Major holders include Cliff Asness ($7.9 M), Ken Fisher ($1.96 M), Renaissance Technologies (RenTech) ($1.82 M). According to the latest reported data, 4 tracked investment managers collectively hold approximately 612,191 shares.

According to the latest 13F reporting period, sentiment appears Bearish (Net Selling). There was a net outflow of $1.03 M, with 1 managers increasing positions and 1 managers reducing holdings.

During the most recent reporting period, 1 managers trimmed their positions, while 0 fully exited OSBC. The total reported sell value was $1.11 M.

Yes, 0 managers opened new positions in OSBC, and 1 increased their existing holdings. The total reported buy value was $78,624.

Portfolio Manager % Portfolio Activity Shares Value Report Date
0.00% Reduce -12.3% 391,960 $7.9 M Q1 2026
0.00% 97,285 $1.96 M Q1 2026
0.00% Add 4.5% 90,225 $1.82 M Q1 2026
0.01% 32,721 $659,655 Q1 2026
Date
Insider Name
Transaction
Value
Shares
Position / Chg
SEC Form