Nierenberg Investment Management Company, Inc.'s Net Worth
$11.4 Million
Estimate Recalculated Jun 4, 2025 03:11PM EST
Who is Nierenberg Investment Management Company, Inc.?
Nierenberg Investment Management Company, Inc. has an estimated net worth of $11.4 Million. This is based on reported shares across multiple companies, which include NATUS MEDICAL INC, ELECTRO SCIENTIFIC INDUSTRIES INC, Houston Wire & Cable CO, BROOKS AUTOMATION INC, RADISYS CORP, MEDCATH CORP, MOVE INC, ASSET ACCEPTANCE CAPITAL CORP, PEDIATRIC SERVICES OF AMERICA INC, MEXICAN RESTAURANTS INC, AmNet Mortgage, Inc., and POTBELLY CORP.
SEC CIK
Nierenberg Investment Management Company, Inc.'s CIK is 0001282683
Past Insider Trading and Trends
2005 was Nierenberg Investment Management Company, Inc.'s most active year for acquiring shares with 12 total transactions. Nierenberg Investment Management Company, Inc.'s most active month to acquire stocks was the month of November. 2005 was Nierenberg Investment Management Company, Inc.'s most active year for disposing of shares, totalling 1 transactions. Nierenberg Investment Management Company, Inc.'s most active month to dispose stocks was the month of November. 2005 saw Nierenberg Investment Management Company, Inc. paying a total of $2,685,448.39 for 218,859 shares, this is the most they've acquired in one year. In 2005 Nierenberg Investment Management Company, Inc. cashed out on 1,371,200 shares for a total of $14,123,360.00, their largest year based on trade value.
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NATUS MEDICAL INC No price found
Investor
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
|---|---|---|---|---|---|---|---|---|---|
Form 4
| -7.53% | -217.77K |
$14.41 | -$3,138,297.84 | 2.67M |
Mar 5 - Mar 9
| |||
Form 4
| -6.23% | -162.56K |
$14.26 | -$2,318,045.56 | 2.44M |
Mar 2 - Mar 3
| |||
Form 4
| -1.09% | -28.71K |
$14.08 | -$404,080.14 | 2.61M |
Feb 22 - Feb 24
| |||
Form 4
| -1.49% | -40.00K |
$14.50 | -$580,000.00 | 2.64M |
Jan 22
| |||
Form 4
| -4.55% | -127.49K |
$14.60 | -$1,860,288.36 | 2.68M |
Jan 19 - Jan 20
| |||
Form 4
| -6.37% | -183.74K |
$14.45 | -$2,652,954.00 | 2.7M |
Jan 13 - Jan 15
| |||
Form 4
| -1.33% | -38.77K |
$14.98 | -$581,327.66 | 2.88M |
Jan 4 - Jan 5
| |||
Form 4
| -12.59% | -500.00K |
$8.90 | -$4,450,000.00 | 3.47M |
Apr 30
| |||
Form 4
| -5.48% | -81.25K |
$8.82 | -$722,051.56 | 1.4M |
Mar 27 - Mar 31
| |||
Form 4
| -16.11% | -150.00K |
$7.86 | -$1,178,850.00 | 781.08K |
Mar 16 - Mar 18
| |||
Form 4
| -2.77% | -26.55K |
$20.31 | -$539,169.57 | 931.08K |
Oct 14
| |||
Form 4
| +6.93% | 175K |
$18.27 | $3,197,250.00 | 2.7M |
Apr 4
| |||
Form 4
| +56.48% | 36.43K |
$14.06 | $512,344.17 | 100.93K |
Sep 24 - Sep 25
| |||
Form 4
| +140.67% | 37.7K |
$14.99 | $564,990.00 | 64.5K |
Jul 27 - Jul 30
| |||
Form 4
|
∞
| 26.8K |
$14.91 | $399,588.00 | 26.8K |
Jul 24
| |||
Form 4
| +5.83% | 225K |
$14.86 | $3,343,500.00 | 4.08M |
May 9
| |||
Form 4
| +12.41% | 350K |
$11.63 | $4,070,500.00 | 3.17M |
Aug 17
| |||
Form 4/A
| -0.00% | -3.00 |
—
|
—
| 3.04M |
Jun 30
| |||
Form 4
| -0.00% | -3.00 |
—
|
—
| 3.04M |
Jun 30
| |||
| No matching records found | |||||||||
ELECTRO SCIENTIFIC INDUSTRIES INC No price found
Investor
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
|---|---|---|---|---|---|---|---|---|---|
Form 4
| +2.14% | 12K |
—
|
—
| 571.68K |
May 14
| |||
Form 4
| -62.34% | -253.08K |
—
|
—
| 152.9K |
Jan 30
| |||
Form 4
| -98.01% | -178.35K |
—
|
—
| 3.61K |
May 27
| |||
Form 4
| -98.01% | -178.35K |
—
|
—
| 3.61K |
May 27
| |||
Form 4
| +0.28% | 7.3K |
—
|
—
| 2.61M |
May 15
| |||
Form 4
| +0.00% | 31.75 |
—
|
—
| 2.04M |
Dec 4
| |||
Form 4
| +0.00% | 27.76 |
—
|
—
| 2.04M |
Sep 3
| |||
Form 4
| +0.00% | 28.21 |
—
|
—
| 2.04M |
Jun 19
| |||
Form 4
| +0.29% | 7.5K |
—
|
—
| 2.6M |
May 9
| |||
Form 4
| +0.00% | 28.08 |
—
|
—
| 2.04M |
Mar 14
| |||
Form 4
| +0.05% | 1.3K |
—
|
—
| 2.77M |
Dec 27
| |||
Form 4
| +0.00% | 44.91 |
—
|
—
| 2.04M |
Dec 5
| |||
Form 4
| +0.00% | 38.79 |
—
|
—
| 2.04M |
Sep 10
| |||
Form 4
| -4.90% | -105.00K |
$12.10 | -$1,271,005.50 | 2.04M |
Aug 7 - Aug 8
| |||
Form 4
| -2.23% | -48.77K |
$12.66 | -$617,289.51 | 2.14M |
Jul 27 - Jul 31
| |||
Form 4
| +0.00% | 44 |
—
|
—
| 2.19M |
Jun 18
| |||
Form 4
| -3.42% | -117.82K |
$11.87 | -$1,398,821.77 | 3.33M |
May 25 - May 29
| |||
Form 4
| +0.18% | 5.5K |
—
|
—
| 3.03M |
May 10
| |||
Form 4
| -0.14% | -4.13K |
$15.00 | -$61,995.00 | 2.87M |
Feb 24
| |||
Form 4
| -1.84% | -53.84K |
$15.02 | -$808,644.70 | 2.87M |
Feb 21 - Feb 23
| |||
Form 4
| -2.49% | -74.86K |
$15.20 | -$1,137,811.20 | 2.93M |
Feb 15 - Feb 17
| |||
Form 4
| -0.23% | -5.86K |
$15.28 | -$89,499.70 | 2.57M |
Feb 9 - Feb 13
| |||
Form 4
| -3.79% | -101.36K |
$15.82 | -$1,603,081.00 | 2.58M |
Feb 2 - Feb 6
| |||
Form 4
| -5.21% | -147.08K |
$15.27 | -$2,244,193.40 | 2.68M |
Jan 30 - Feb 1
| |||
Form 4
| +0.14% | 4.9K |
—
|
—
| 3.4M |
May 12
| |||
Form 4
|
—
|
0
|
$13.02 |
—
| 3.25M |
Nov 5
| |||
Form 4
| +0.14% | 5.5K |
—
|
—
| 3.82M |
May 13
| |||
Form 4
| +0.33% | 12.5K |
—
|
—
| 3.82M |
Feb 24
| |||
Form 4
| -6.87% | -85.52K |
$6.09 | -$520,035.22 | 1.16M |
Mar 18 - Mar 20
| |||
Form 4
| -2.45% | -16.25K |
$6.31 | -$102,518.57 | 646.29K |
Feb 9 - Feb 10
| |||
Form 4
| -18.65% | -151.87K |
$6.42 | -$975,662.07 | 662.54K |
Feb 4 - Feb 6
| |||
Form 4
| +2.19% | 64.45K |
$15.94 | $1,027,348.94 | 3.01M |
Jul 24
| |||
Form 4
| +4.97% | 122.55K |
$15.97 | $1,948,016.53 | 2.59M |
Jul 21 - Jul 23
| |||
Form 4
| +2.24% | 51.12K |
$13.83 | $706,996.96 | 2.33M |
Jul 9 - Jul 11
| |||
Form 4
| +1.50% | 35.4K |
$16.02 | $567,434.00 | 2.4M |
Jan 29 - Jan 31
| |||
Form 4
| +9.82% | 211.5K |
$16.06 | $3,393,920.65 | 2.37M |
Jan 25 - Jan 29
| |||
Form 4
| +30.04% | 24.5K |
$18.24 | $446,801.70 | 106.04K |
Jan 4 - Jan 8
| |||
Form 4
| +11.64% | 8.5K |
$18.91 | $160,715.00 | 81.55K |
Nov 21 - Nov 26
| |||
Form 4
| +134.12% | 41.85K |
$19.47 | $814,814.62 | 73.05K |
Nov 8 - Nov 9
| |||
Form 4
|
∞
| 31.2K |
$20.17 | $629,304.00 | 31.2K |
Nov 1
| |||
Form 4
| +2.44% | 82.4K |
$18.77 | $1,545,760.00 | 3.46M |
Mar 27 - Mar 29
| |||
Form 4
| +6.80% | 215K |
$19.53 | $4,199,150.00 | 3.37M |
Jan 18 - Jan 22
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
| No matching records found | |||||||||
Houston Wire & Cable CO No price found
Investor
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
|---|---|---|---|---|---|---|---|---|---|
Form 4
| -100.00% | -2.04M |
—
|
—
|
0
|
Jun 15
| |||
Form 4
| +24.33% | 399.8K |
$2.00 | $799,600.00 | 2.04M |
Mar 16
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
| No matching records found | |||||||||
BROOKS AUTOMATION INC (AZTA) Snapshot price: $47.57
Investor
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
|---|---|---|---|---|---|---|---|---|---|
Form 4/A
|
—
|
0
|
—
|
—
|
0
|
Jul 21
| |||
Form 4
| +6.54% | 12.6K |
$8.71 | $109,794.00 | 205.12K |
Jul 21 - Jul 23
| |||
| No matching records found | |||||||||
RADISYS CORP No price found
Investor
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
|---|---|---|---|---|---|---|---|---|---|
Form 4
| -100.00% | -801.18K |
$2.45 | -$1,962,881.20 |
0
|
Nov 7
| |||
Form 4
| -100.00% | -256.40K |
$4.04 | -$1,035,847.92 |
0
|
Feb 27
| |||
Form 4
| +0.05% | 1.88K |
—
|
—
| 3.49M |
Jan 1
| |||
Form 4
| +0.05% | 1.88K |
—
|
—
| 3.48M |
Oct 1
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Sep 4
| |||
Form 4
| +0.11% | 3.75K |
—
|
—
| 3.48M |
Jun 26
| |||
Form 4
| +0.07% | 2.5K |
—
|
—
| 3.48M |
Jun 15
| |||
Form 4
| +0.04% | 1.33K |
—
|
—
| 3.48M |
Apr 1
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jun 26
| |||
Form 4
| +0.07% | 2.5K |
—
|
—
| 3.73M |
Jun 15
| |||
Form 4
| +0.04% | 1.33K |
—
|
—
| 3.73M |
Apr 1
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jun 15
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Apr 1
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Mar 16
| |||
Form 4
| +1.71% | 4.3K |
$4.50 | $19,350.00 | 256.1K |
Dec 29
| |||
Form 4
| +2.03% | 5K |
$11.50 | $57,500.00 | 250.79K |
Jul 31
| |||
Form 4
| +16.36% | 34.56K |
$10.32 | $356,700.48 | 245.79K |
Jul 29
| |||
Form 4
| +44.88% | 65.44K |
$9.70 | $635,016.86 | 211.23K |
Jul 23 - Jul 25
| |||
Form 4
| +26.13% | 915K |
$10.83 | $9,909,450.00 | 4.42M |
Feb 6
| |||
Form 4
| +0.06% | 1.3K |
$12.23 | $15,907.25 | 2.14M |
Jan 11 - Jan 15
| |||
Form 4
| +1.19% | 26.48K |
$12.97 | $343,358.40 | 2.26M |
Jan 4 - Jan 8
| |||
Form 4
| +1.58% | 38.1K |
$13.16 | $502,126.82 | 2.45M |
Dec 31 - Jan 3
| |||
Form 4
| +1.39% | 29.93K |
$13.29 | $397,809.57 | 2.19M |
Dec 28
| |||
Form 4
| +0.20% | 200 |
$10.80 | $2,160.00 | 98.63K |
Sep 5
| |||
Form 4
| +15.35% | 13.1K |
$10.68 | $139,903.24 | 98.43K |
Aug 28 - Aug 29
| |||
Form 4
| +5.15% | 32.41K |
$10.58 | $342,936.46 | 661.17K |
Aug 23 - Aug 24
| |||
Form 4
| +0.57% | 15.2K |
$10.88 | $165,343.36 | 2.69M |
Aug 15
| |||
Form 4
| +3.71% | 208.28K |
$11.11 | $2,340,891.94 | 5.81M |
Aug 10 - Aug 14
| |||
Form 4
| +3.85% | 110.8K |
$11.00 | $1,219,368.85 | 2.99M |
Aug 6 - Aug 7
| |||
Form 4
| +3.90% | 178.58K |
$11.56 | $2,063,335.54 | 4.76M |
Aug 1 - Aug 3
| |||
Form 4
| +3.84% | 139.66K |
$11.56 | $1,616,318.97 | 3.78M |
Jul 27 - Jul 31
| |||
Form 4
|
∞
| 40.94K |
$11.63 | $476,167.09 | 40.94K |
Jul 27
| |||
Form 4
| +2.21% | 67.4K |
$12.82 | $864,511.00 | 3.11M |
Jun 20 - Jun 22
| |||
Form 4
| +0.97% | 25K |
$12.99 | $324,750.00 | 2.6M |
Jun 15
| |||
Form 4
| +4.08% | 157.5K |
$12.95 | $2,037,500.00 | 4.02M |
Jun 12 - Jun 14
| |||
Form 4/A
| +0.21% | 3K |
$15.98 | $47,940.00 | 1.44M |
Jan 11
| |||
Form 4
| +1.53% | 21.69K |
$16.47 | $357,297.90 | 1.44M |
Jan 9 - Jan 11
| |||
Form 4
| +0.37% | 8.88K |
$15.96 | $141,788.64 | 2.4M |
Dec 26
| |||
Form 4
| +0.79% | 18.6K |
$17.93 | $333,590.76 | 2.39M |
Nov 1 - Nov 2
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
| No matching records found | |||||||||