Nierenberg Investment Management Company, LLC: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 1282683) · Explore on the interactive board
Nierenberg Investment Management Company, LLC disclosed 35 US equity positions worth $201.4m in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 11, 2026). Its largest position is SGOV at 23.0% of the reported book, followed by EQT, CRTO. The top ten holdings are 86.1% of the book, and the portfolio behaves like about 9 equal-weight positions. Versus the prior filing it opened 3 new positions, added to 2, reduced 2 and exited 12. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Nierenberg Investment Management Company, LLC own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 3 new, 2 added, 2 reduced, 12 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | SGOV ISHARES TR | 23.0% | $46.4m | 461,047 | -16% | reduced | |
| 2 | EQT EQT CORP | Energy | 14.1% | $28.4m | 533,363 | 0% | held |
| 3 | CRTO CRITEO S A | Communication Services | 9.6% | $19.2m | 1,052,787 | 0% | held |
| 4 | LYFT LYFT INC | Technology | 9.4% | $18.9m | 1,295,623 | 0% | held |
| 5 | CART MAPLEBEAR INC | Consumer Cyclical | 6.9% | $13.8m | 291,888 | 0% | held |
| 6 | KBR KBR INC | Industrials | 6.6% | $13.3m | 386,443 | 0% | held |
| 7 | RVSB RIVERVIEW BANCORP INC | Financial Services | 5.5% | $11.0m | 2,032,775 | 0% | held |
| 8 | FCN FTI CONSULTING INC | Industrials | 5.5% | $11.0m | 73,887 | 655% | added |
| 9 | RKT ROCKET COS INC | Financial Services | 3.4% | $6.8m | 429,631 | 0% | held |
| 10 | GDOT GREEN DOT CORP | Financial Services | 2.3% | $4.6m | 339,110 | 0% | held |
| 11 | DHC DIVERSIFIED HEALTHCARE TR | Real Estate | 2.1% | $4.2m | 456,110 | 0% | held |
| 12 | BKD BROOKDALE SR LIVING INC | Healthcare | 2.0% | $4.1m | 255,110 | 0% | held |
| 13 | FIVN FIVE9 INC | Technology | 1.4% | $2.9m | 135,810 | 0% | held |
| 14 | TNDM TANDEM DIABETES CARE INC | Healthcare | 1.2% | $2.4m | 158,910 | 100% | added |
| 15 | HAE HAEMONETICS CORP MASS | Healthcare | 1.0% | $2.0m | 26,280 | – | new |
| 16 | GLRE GREENLIGHT CAP RE LTD | Financial Services | 0.8% | $1.7m | 102,510 | 0% | held |
| 17 | REI RING ENERGY INC | Energy | 0.8% | $1.5m | 1,399,555 | – | new |
| 18 | CNXC CONCENTRIX CORP | Technology | 0.7% | $1.4m | 64,480 | 0% | held |
| 19 | EXE EXPAND ENERGY CORPORATION | Energy | 0.7% | $1.4m | 15,555 | 0% | held |
| 20 | FORR FORRESTER RESH INC | Industrials | 0.5% | $1.1m | 131,110 | 0% | held |
| 21 | HOS HELIX ENERGY SOLUTIONS GRP I | 0.5% | $1.1m | 124,450 | 0% | held | |
| 22 | DXC DXC TECHNOLOGY CO | Technology | 0.5% | $907.2k | 102,510 | 0% | held |
| 23 | OSK OSHKOSH CORP | Industrials | 0.4% | $882.5k | 5,750 | 0% | held |
| 24 | TTEC TTEC HLDGS INC | Technology | 0.2% | $495.8k | 255,555 | 0% | held |
| 25 | TTGT TECHTARGET INC | Technology | 0.2% | $492.9k | 136,910 | -33% | reduced |
| 26 | FLR FLUOR CORP | Industrials | 0.2% | $343.4k | 6,555 | 0% | held |
| 27 | DHX DHI GROUP INC | Technology | 0.2% | $313.7k | 84,555 | 0% | held |
| 28 | OSUR ORASURE TECHNOLOGIES INC | Healthcare | 0.1% | $247.8k | 55,555 | 0% | held |
| 29 | ARHS ARHAUS INC | Consumer Cyclical | 0.1% | $103.7k | 12,310 | 0% | held |
| 30 | OIS OIL STS INTL INC | Energy | 0.0% | $92.6k | 11,555 | 0% | held |
| 31 | TALK TALKSPACE INC | Healthcare | 0.0% | $60.1k | 11,555 | 0% | held |
| 32 | NNBR NN INC | 0.0% | $48.7k | 13,555 | 0% | held | |
| 33 | CTMX CYTOMX THERAPEUTICS INC. | Healthcare | 0.0% | $47.1k | 12,555 | 0% | held |
| 34 | WTI W & T OFFSHORE INC | Energy | 0.0% | $42.7k | 13,555 | 0% | held |
| 35 | CNDT CONDUENT INC | Technology | 0.0% | $25.6k | 17,555 | – | new |
What did Nierenberg Investment Management Company, LLC sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| CROSS CTRY HEALTHCARE INC | 25.4% | $1.4m |
| ADTN ADTRAN HOLDINGS INC | 21.9% | $1.2m |
| OCFC OCEANFIRST FINL CORP | 13.4% | $713.6k |
| HOPE HOPE BANCORP INC | 13.3% | $709.9k |
| CLFD CLEARFIELD INC | 8.2% | $437.0k |
| PLAB PHOTRONICS INC | 4.8% | $255.8k |
| BFH BREAD FINANCIAL HOLDINGS INC | 4.7% | $253.1k |
| PTLO PORTILLOS INC | 3.3% | $177.5k |
| WNC WABASH NATL CORP | 2.0% | $108.2k |
| SCYX SCYNEXIS INC | 1.3% | $69.3k |
| ACH ACCENDRA HEALTH INC | 1.2% | $62.8k |
| OLAPLEX HLDGS INC | 0.5% | $25.5k |
Sector mix
| Sector | Weight |
|---|---|
| Energy | 15.6% |
| Industrials | 13.2% |
| Technology | 12.7% |
| Financial Services | 11.9% |
| Communication Services | 9.6% |
| Consumer Cyclical | 6.9% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Nierenberg Investment Management Company, LLC's portfolio?
Across every quarter Nierenberg Investment Management Company, LLC has filed, its median largest position is 25.3% of the book and its median top-ten weight is 86.7%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 12.0 completed holding spells, the median lasted 1.0 quarters; 35.0 positions are still open and their final length is unknown.