Home/Smart Money/Nierenberg Investment Management Company, LLC
§ 13F · FUND PROFILE

Nierenberg Investment Management Company, LLC.

Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $234.0T (13F)Positions · 52Turnover · · Q3Filed · May 13, 2026
CONCENTRATION
Top 10 holdings
NEW BUYS
0
No new positions
EXITS
0
No exits
SECTOR SHIFT
No prior quarter data
3YR HIT RATE
Top-5 overlap
§ 01 · TOP HOLDINGS

The book · Q3 2025

FILED MAY 13, 2026
#TickerNameShares$ value% portΔ Q3
1PTBPOTBELLY CORP2.98M$50.8T21.7%
2EQTEQT CORP537K$29.2T12.5%
307WAMR COOPER GROUP INC126K$26.6T11.4%
4LYFTLYFT INC814K$17.9T7.7%
5SPYSPDR S&P 500 ETF TR25K$16.7T7.1%
6RVSBRIVERVIEW BANCORP INC2.03M$10.9T4.7%
7QQQINVESCO QQQ TR17K$10.3T4.4%
8CRTOCRITEO S A425K$9.6T4.1%
9GEVGE VERNOVA INC11K$6.9T2.9%
10GDOTGREEN DOT CORP339K$4.6T1.9%
§ 02 · SECTOR ALLOCATION

Where the money is

Sector data pending
§ 03 · THE NIERENBERG SIGNAL

AC read

Nierenberg Investment Management Company, LLC is a Other fund managing $233997.0 trillion in assets. The fund runs a portfolio of 52 positions.

Read the full dossier →
§ 04 · FILING HISTORY

Q-by-Q deltas

2 FILINGS
Q1 2026
Steady book
+0 buys · 0 exits · 0 changed
Q4 2025
Steady book
+0 buys · 0 exits · 0 changed
Q3 2025
Steady book
+0 buys · 0 exits · 0 changed
Q2 2025
Steady book
+0 buys · 0 exits · 0 changed