Nierenberg Investment Management Company LLC

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Nierenberg Investment Management Company LLC
CRD #155416
SEC #801-74080
CIK #0001282683
AUM 235.5 M (2026-03-13)
Employees 3 (67% Investors, 0% Brokers)
Phone360-604-8600
Address
Source [IAPD] [EDGAR] [Website] [LinkedIn]
Total AUM ($M)
3502802101407002010201520212027
CIK Period
0001282683
Sector Form 13F Holdings Value ($M)
EQT Corp 33.9
Criteo Sa 18.9
Lyft Inc 17.2
KBR Inc 14.2
Riverview Bancorp Inc 11.2
Maplebear Inc 10.9
Rocket Companies Inc 6.1
Green Dot Corp 3.8
Brookdale Senior Living Inc 3.5
Senior Housing Properties Trust 3.0
Concentrix Corp 2.3
Five9 Inc 2.1
Greenlight Capital RE Ltd 1.8
FTI Consulting Inc 1.7
Chesapeake Energy Corp 1.7
Tandem Diabetes Care Inc 1.5
Cross Country Healthcare Inc 1.4
Everett Spinco Inc 1.3
Helix Energy Solutions Group Inc 1.2
Adtran Inc 1.2
Oshkosh Corp 0.8
Toro Combineco Inc 0.8
Forrester Research Inc 0.7
Oceanfirst Financial Corp 0.7
Nara Bancorp Inc 0.7
Teletech Holdings Inc 0.6
Clearfield Inc 0.4
Fluor Corp 0.3
Photronics Inc 0.3
 
 
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Type Form D Funds Date Sold AUM
HF Benedict Value Fund LP [2018-03-27] 33.5 M 57.1 M
Filed 2026-03-17 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $250,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF The D3 Family Bulldog Fund LP [2012-02-14] 9.8 M 112.8 M
Filed 2020-06-17 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $500,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF The D3 Family Canadian Fund LP [2012-02-14] 0.1 M
HF The D3 Family Fund LP [2012-02-14] 3.6 M 61.1 M
Filed 2020-06-17 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $500,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF The DIII Offshore Fund LP [2012-02-14] 15.1 M 3.9 M
Filed 2018-02-08 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $500,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
AUM Breakdown Accounts AUM ($M)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 3 231.0
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 1 4.5
(n) Other 0 0.0
Total 4 235.5
By Discretionary
Discretionary 4 235.5
Non-Discretionary 0 0.0
Total 4 235.5
By Non-United States Persons
Non-United States Persons 0.0
United States Persons 235.5
Total 4 235.5
Form D Directors Role # Filings # Firms 2011 - 2026
David Nierenberg Executive Officer 9 3
Damon Benedict Executive Officer 3 2
EDGAR Form CIK 2011 - 2026
13F-HR [0001282683]
3 [0001282683]
4 [0001282683]
SC 13D [0001282683]
SC 13G [0001282683]
Form 13D/13G Filer Form 13D/13G Subject Filed
Nierenberg Investment Management Company Inc Riverview Bancorp Inc [2024-08-21]
Nierenberg Investment Management Company Inc Riverview Bancorp Inc [2024-08-07]
Nierenberg Investment Management Company Inc Berkeley Lights Inc [2023-03-09]
Nierenberg Investment Management Company Inc Potbelly Corp [2022-07-21]
Nierenberg Investment Management Company Inc Potbelly Corp [2021-05-07]
Nierenberg Investment Management Company Inc Crawford & Co [2020-10-30]
Nierenberg Investment Management Company Inc Geospace Technologies Corp [2020-05-27]
Nierenberg Investment Management Company Inc Geospace Technologies Corp [2020-05-18]
Nierenberg Investment Management Company Inc Flotek Industries Inc/CN/ [2020-03-16]
Nierenberg Investment Management Company Inc Geospace Technologies Corp [2018-04-23]
View All
Firm Profile (Form ADV)
Discretionary AUM$0.3B
ServesInstitutional, Retail
Fund TypesHedge Fund
Form 3/4/5 Subject 2011 - 2026
Potbelly Corp
Nierenberg David
Nierenberg Investment Management Company LLC
Houston Wire & Cable CO
D3 Family Fund LP
Electro Scientific Industries Inc
D3 Family Canadian Fund LP
DIII Offshore Fund LP
Nierenberg Investment Management Offshore Inc
Radisys Corp
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Potbelly Corp PBPB
Common Stock
2025-03-28 Buy 22,169 $9.36 207,502
Potbelly Corp PBPB
Common Stock
2025-01-07 Buy 100 $9.24 924
Potbelly Corp PBPB
Common Stock
2025-01-07 Buy 7,500 $9.23 69,225
Potbelly Corp PBPB
Common Stock
2024-12-18 Buy 1,590 $9.40 14,946
Potbelly Corp PBPB
Common Stock
2024-12-18 Buy 3,150 $9.34 29,421
Potbelly Corp PBPB
Common Stock
2024-08-07 Buy 12,915 $6.62 85,497
Potbelly Corp PBPB
Common Stock
2024-08-07 Buy 7,097 $6.62 46,982
Potbelly Corp PBPB
Common Stock
2024-08-07 Buy 3,382 $6.62 22,389
Potbelly Corp PBPB
Common Stock
2024-08-06 Buy 1,571 $6.59 10,353
Potbelly Corp PBPB
Common Stock
2024-08-06 Buy 2,859 $6.59 18,841
Potbelly Corp PBPB
Common Stock
2024-08-06 Buy 749 $6.59 4,936
Potbelly Corp PBPB
Common Stock
2024-08-05 Buy 6,618 $6.48 42,885
Potbelly Corp PBPB
Common Stock
2024-08-05 Buy 13,886 $6.48 89,981
Potbelly Corp PBPB
Common Stock
2024-08-05 Buy 25,268 $6.48 163,737
Houston Wire & Cable CO HWCC
COMMON STOCK
2021-06-15 Disposed to issuer 1,314,254
Houston Wire & Cable CO HWCC
COMMON STOCK
2021-06-15 Disposed to issuer 664,888
Houston Wire & Cable CO HWCC
COMMON STOCK
2021-06-15 Disposed to issuer 64,216
Houston Wire & Cable CO HWCC
COMMON STOCK
2020-03-16 Buy 115,050 $2.00 230,100
Houston Wire & Cable CO HWCC
COMMON STOCK
2020-03-16 Buy 252,800 $2.00 505,600
Houston Wire & Cable CO HWCC
COMMON STOCK
2020-03-16 Buy 31,950 $2.00 63,900
showing 20 of 178 most recent transactions
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