Oberweis Asset Management Inc/ 13F annual report

Oberweis Asset Management Inc/ is an investment fund managing more than $1.63 trillion ran by Thomas Joyce. There are currently 197 companies in Mr. Joyce’s portfolio. The largest investments include Weatherford International Plc and Constellium Nv Cl A, together worth $70.5 billion.

$1.63 trillion Assets Under Management (AUM)

As of 7th August 2024, Oberweis Asset Management Inc/’s top holding is 292,770 shares of Weatherford International Plc currently worth over $35.8 billion and making up 2.2% of the portfolio value. In addition, the fund holds 1,838,871 shares of Constellium Nv Cl A worth $34.7 billion. The third-largest holding is Sharkninja, Inc. worth $29.7 billion and the next is Onto Innovation worth $28.4 billion, with 129,545 shares owned.

Currently, Oberweis Asset Management Inc/'s portfolio is worth at least $1.63 trillion. The total portfolio value may be much higher due to cash assets that are not publicly disclosed such as fixed income, real estate, or cash equivalents.

Careers at Oberweis Asset Management Inc/

The Oberweis Asset Management Inc/ office and employees reside in Lisle, Illinois. According to the last 13-F report filed with the SEC, Thomas Joyce serves as the Chief Compliance Officer at Oberweis Asset Management Inc/.

Recent trades

In the most recent 13F filing, Oberweis Asset Management Inc/ revealed that it had opened a new position in Hims & Hers Health and bought 785,000 shares worth $15.8 billion. This means they effectively own approximately 0.1% of the company. Hims & Hers Health makes up 100.0% of the fund's Consumer Staples sector allocation and has grown its share price by 153.4% in the past year.

The investment fund also strengthened its position in Weatherford International Plc by buying 70,670 additional shares. This makes their stake in Weatherford International Plc total 292,770 shares worth $35.8 billion.

On the other hand, there are companies that Oberweis Asset Management Inc/ is getting rid of from its portfolio. Oberweis Asset Management Inc/ closed its position in Acadia Healthcare Co., Inc. on 14th August 2024. It sold the previously owned 151,650 shares for $12 billion. Thomas Joyce also disclosed a decreased stake in TransMedics by approximately 0.1%. This leaves the value of the investment at $28.2 billion and 187,090 shares.

One of the largest hedge funds

The two most similar investment funds to Oberweis Asset Management Inc/ are Kgh Ltd and Cwa Asset Management. They manage $1.63 trillion and $1.63 trillion respectively.


Thomas Joyce investment strategy

Oberweis Asset Management Inc/’s portfolio is diversified across 12 sectors. Currently, their heaviest sector is Industrials — making up 20.4% of the total portfolio value. The fund focuses on investments in the United States as 66.5% of the portfolio companies are based in the United States.

The majority of the companies in the fund’s portfolio are large-cap stocks. Stocks with a size of more than $10 billion in market cap make up 5% of the total holdings value. On the other hand, small-cap stocks make up only 0.5% of the portfolio. The average market cap of the portfolio companies is close to $38.4 billion.

The complete list of Oberweis Asset Management Inc/ trades based on 13F SEC filings

These positions were updated on August 14th based on the fund’s latest 13F filing. Quickly find out what the most recently closed or increased positions are.

Security Shares Owned Value Allocation
Weatherford International Plc
31.82%
292,770
$35,849,687,000 2.20%
Constellium Nv Cl A
1.97%
1,838,871
$34,662,718,000 2.12%
Sharkninja, Inc.
67.80%
394,660
$29,658,699,000 1.82%
Onto Innovation Inc.
21.15%
129,545
$28,442,900,000 1.74%
TransMedics Group, Inc.
5.61%
187,090
$28,179,496,000 1.73%
Zeta Global Holdings Corp.
34.38%
1,588,380
$28,034,907,000 1.72%
Encompass Health Corp
43.13%
292,187
$25,066,722,000 1.54%
Credo Technology Group
142.41%
780,330
$24,923,740,000 1.53%
Skywest Inc.
10.94%
291,050
$23,886,474,000 1.46%
Clean Harbors, Inc.
27.00%
103,245
$23,348,857,000 1.43%
Adma Biologics Inc
26.87%
2,040,700
$22,815,026,000 1.40%
Silicon Motion Techn Adr
27.55%
277,300
$22,458,527,000 1.38%
Camtek Ltd
No change
178,180
$22,315,263,000 1.37%
Universal Display Corp.
29.19%
100,048
$21,035,113,000 1.29%
Oshkosh Corp
36.58%
182,786
$19,777,432,000 1.21%
Crocs Inc
33.23%
127,100
$18,548,974,000 1.14%
FormFactor Inc.
29.18%
305,780
$18,508,863,000 1.13%
Flowserve Corp.
34.90%
370,134
$17,803,455,000 1.09%
LivaNova PLC
59.35%
322,685
$17,689,592,000 1.08%
Merit Medical System Inc
23.87%
193,840
$16,660,548,000 1.02%
ICF International, Inc
15.48%
111,900
$16,612,674,000 1.02%
ACI Worldwide Inc
19.76%
412,662
$16,337,289,000 1.00%
Abercrombie & Fitch Co.
88.57%
90,700
$16,130,088,000 0.99%
Blue Bird Corp
No change
299,100
$16,106,535,000 0.99%
Liveramp Hldgs, Inc.
73.31%
512,630
$15,860,772,000 0.97%
Hims & Hers Health, Inc.
Opened
785,000
$15,849,150,000 0.97%
Ultra Clean Holdings
No change
319,600
$15,660,400,000 0.96%
American Superconductor Corp.
4.73%
664,400
$15,540,316,000 0.95%
Century Communities Inc
56.85%
190,100
$15,523,566,000 0.95%
Itron Inc.
21.34%
152,400
$15,081,504,000 0.92%
E.l.f. Beauty, Inc.
59.93%
69,920
$14,733,542,000 0.90%
Esab Corporation
16.64%
150,700
$14,230,601,000 0.87%
Woodward Inc
19.30%
81,600
$14,229,408,000 0.87%
Veracyte Inc
2.62%
654,100
$14,174,347,000 0.87%
Tidewater Inc.
Opened
148,095
$14,100,125,000 0.86%
Alphatec Holdings Inc
4.22%
1,327,360
$13,870,912,000 0.85%
AeroVironment Inc.
25.14%
76,040
$13,851,446,000 0.85%
Integer Holdings Corp
23.27%
119,200
$13,802,168,000 0.85%
Haemonetics Corp.
15.03%
165,295
$13,674,855,000 0.84%
Veeco Instruments Inc
8.47%
291,900
$13,634,649,000 0.84%
Nextracker, Inc.
18.33%
278,900
$13,074,832,000 0.80%
Axcelis Technologies Inc
56.15%
91,799
$13,052,900,000 0.80%
Federal Signal Corp.
21.51%
155,330
$12,996,461,000 0.80%
Azek Co., Inc.
37.98%
304,800
$12,841,224,000 0.79%
Cabot Corp.
46.04%
134,500
$12,359,205,000 0.76%
Parsons Corp
13.37%
149,120
$12,199,507,000 0.75%
Silicon Laboratories Inc
40.38%
109,500
$12,113,985,000 0.74%
Acadia Healthcare Co., Inc.
Closed
151,650
$12,013,713,000
Informatica Inc.
22.91%
379,800
$11,728,224,000 0.72%
Installed Building Products, I
83.22%
55,700
$11,456,376,000 0.70%
Ceco Environmental Corp.
14.83%
394,700
$11,387,095,000 0.70%
Tandem Diabetes Care Inc
Opened
282,000
$11,361,780,000 0.70%
Axonics Inc
Closed
163,570
$11,281,423,000
Vertiv Holdings Co
43.91%
128,810
$11,151,120,000 0.68%
Evolent Health Inc
Closed
338,940
$11,113,843,000
SPX Technologies Inc
7.97%
74,500
$10,589,430,000 0.65%
Primoris Services Corp
No change
209,900
$10,471,911,000 0.64%
Wingstop Inc
22.00%
24,400
$10,312,904,000 0.63%
Assurant Inc
37.56%
61,900
$10,290,875,000 0.63%
Acm Research, Inc. Class A
No change
441,130
$10,172,458,000 0.62%
frontdoor, inc.
12.23%
295,500
$9,984,945,000 0.61%
Clear Secure, Inc.
4.54%
523,200
$9,789,072,000 0.60%
MSA Safety Inc
15.38%
51,000
$9,572,190,000 0.59%
Badger Meter Inc.
Opened
51,200
$9,541,120,000 0.58%
OSI Systems, Inc.
25.14%
69,200
$9,516,384,000 0.58%
Maximus Inc.
23.30%
110,600
$9,478,420,000 0.58%
Limbach Hldgs, Inc.
No change
164,800
$9,382,064,000 0.58%
Rush Street Interactive, Inc.
25.13%
971,900
$9,320,521,000 0.57%
Neogenomics Inc.
9.29%
668,700
$9,274,869,000 0.57%
Strategic Education Inc
Opened
83,800
$9,273,308,000 0.57%
Quaker Chemical Corporation
34.32%
54,400
$9,231,680,000 0.57%
Deckers Outdoor Corp.
0.32%
9,450
$9,147,128,000 0.56%
Sprouts Farmers Markets Llc
67.70%
108,500
$9,077,110,000 0.56%
International Seaways Inc
23.70%
151,600
$8,964,108,000 0.55%
Boot Barn Hldgs, Inc.
27.57%
69,400
$8,947,742,000 0.55%
Myriad Genetics, Inc.
Opened
360,700
$8,822,722,000 0.54%
Stride Inc
86.82%
123,300
$8,692,650,000 0.53%
FirstCash Holdings Inc
10.36%
82,200
$8,621,136,000 0.53%
Grocery Outlet Hldg Corp.
Closed
296,000
$8,518,880,000
Lemaitre Vascular Inc
25.88%
100,703
$8,285,814,000 0.51%
Carpenter Technology Corp.
20.87%
74,700
$8,185,626,000 0.50%
Krystal Biotech Inc
19.33%
42,600
$7,823,064,000 0.48%
Rxsight, Inc.
No change
126,640
$7,619,929,000 0.47%
Petlq Inc
No change
340,700
$7,515,842,000 0.46%
Comfort Systems USA, Inc.
21.72%
24,100
$7,329,292,000 0.45%
Artivion Inc
No change
282,400
$7,243,560,000 0.44%
Grand Canyon Education Inc
19.44%
51,600
$7,219,356,000 0.44%
Cellebrite Di Ltd.
51.70%
603,600
$7,213,020,000 0.44%
Applied Optoelectronics Inc
1.92%
865,915
$7,178,435,000 0.44%
EZCorp, Inc.
No change
685,500
$7,177,185,000 0.44%
Preferred Bank
No change
95,000
$7,171,550,000 0.44%
Catalyst Pharmaceuticals Inc
No change
458,400
$7,100,616,000 0.44%
Janus International Group, Inc
19.34%
560,900
$7,084,167,000 0.43%
Primo Water Corp.
No change
323,500
$7,071,710,000 0.43%
Fabrinet
27.40%
27,900
$6,829,641,000 0.42%
Inter Parfums, Inc.
Closed
48,300
$6,786,633,000
Alpha & Omega Semiconductor Ltd
Opened
180,000
$6,726,600,000 0.41%
Magnolia Oil & Gas Corp
42.74%
263,500
$6,677,090,000 0.41%
TREX Co., Inc.
48.92%
89,500
$6,633,740,000 0.41%
Matador Resources Co
34.83%
111,100
$6,621,560,000 0.41%
Photronics, Inc.
3.87%
266,000
$6,562,220,000 0.40%
Playa Hotels & Resorts N.V.
2.79%
772,500
$6,481,275,000 0.40%
Monarch Casino & Resort, Inc.
Closed
86,200
$6,464,138,000
OneSpaWorld Holdings Limited
No change
420,400
$6,461,548,000 0.40%
Oscar Health, Inc.
38.14%
407,500
$6,446,650,000 0.40%
G-III Apparel Group Ltd.
Closed
220,900
$6,408,309,000
Allegro Microsystems Inc
2.18%
226,100
$6,385,064,000 0.39%
Dutch Bros Inc.
Opened
152,700
$6,321,780,000 0.39%
Imax Corp
59.19%
376,000
$6,305,520,000 0.39%
Modine Mfg Co Com
Closed
64,500
$6,139,755,000
Gibraltar Inds
66.86%
88,100
$6,039,255,000 0.37%
Sps Comm Inc.
Opened
31,800
$5,983,488,000 0.37%
Aehr Test Systems
44.78%
534,400
$5,969,248,000 0.37%
Liberty Energy Inc
18.96%
281,100
$5,872,179,000 0.36%
VSE Corp.
No change
66,300
$5,852,964,000 0.36%
Light & Wonder Inc.
29.81%
55,300
$5,799,864,000 0.36%
Duolingo, Inc.
45.50%
27,500
$5,738,425,000 0.35%
Aviat Networks Inc
No change
199,307
$5,718,118,000 0.35%
ExlService Holdings Inc
35.89%
181,000
$5,676,160,000 0.35%
Evolus Inc
29.60%
514,900
$5,586,665,000 0.34%
Healthequity Inc
25.93%
64,600
$5,568,520,000 0.34%
Addus HomeCare Corporation
Opened
47,500
$5,515,225,000 0.34%
Weave Communications, Inc.
No change
609,400
$5,496,788,000 0.34%
Clearwater Paper Corp
No change
112,200
$5,438,334,000 0.33%
Amphastar Pharmaceuticals Inc
67.68%
135,055
$5,402,200,000 0.33%
Kirby Corp.
Opened
44,350
$5,310,026,000 0.33%
Blackbaud Inc
18.32%
67,800
$5,164,326,000 0.32%
Vital Energy, Inc.
4.11%
113,900
$5,104,998,000 0.31%
Simpson Manufacturing Co., Inc.
Closed
24,800
$5,088,464,000
Q2 Holdings Inc
Opened
84,110
$5,074,356,000 0.31%
Upwork Inc
No change
469,200
$5,043,900,000 0.31%
M/i Homes, Inc.
11.33%
40,300
$4,922,242,000 0.30%
ATI Inc
37.49%
88,700
$4,918,415,000 0.30%
Sun Country Airlines Holdings,
Closed
325,600
$4,913,304,000
Helix Energy Solutions Group Inc
No change
407,500
$4,865,550,000 0.30%
Verint Sys Inc.
Opened
150,000
$4,830,000,000 0.30%
OneSpan Inc
Opened
370,700
$4,752,374,000 0.29%
Rapid7 Inc
Closed
94,500
$4,634,280,000
The Vita Coco Co., Inc.
No change
165,400
$4,606,390,000 0.28%
Skyward Specialty Ins Group
9.42%
126,600
$4,580,388,000 0.28%
Gentherm Inc
25.31%
92,100
$4,542,372,000 0.28%
H&E Equipment Services Inc
Closed
69,500
$4,460,510,000
AAON Inc.
Closed
48,400
$4,264,040,000
NOV Inc
Closed
216,900
$4,233,888,000
Precision Drilling Corp
No change
59,700
$4,199,298,000 0.26%
Mannkind Corp
No change
798,800
$4,169,736,000 0.26%
Dycom Industries, Inc.
Closed
29,000
$4,162,370,000
First Merchants Corp.
No change
123,400
$4,107,986,000 0.25%
JELD-WEN Holding Inc.
Closed
192,600
$4,088,898,000
Hawkins Inc
18.28%
44,000
$4,004,000,000 0.25%
Huron Consulting Group Inc
17.68%
40,500
$3,989,250,000 0.24%
RPC, Inc.
23.89%
638,163
$3,988,520,000 0.24%
Navitas Semiconductor Corp.
25.49%
1,013,200
$3,981,876,000 0.24%
Employers Holdings Inc
7.43%
92,500
$3,943,275,000 0.24%
Cadence Design System, Inc.
2.29%
12,800
$3,939,200,000 0.24%
Caredx Inc
Opened
250,400
$3,888,712,000 0.24%
HNI Corp.
Closed
83,400
$3,763,842,000
Dynavax Technologies Corp.
28.40%
331,300
$3,720,499,000 0.23%
Mercantile Bank Corp.
0.63%
89,891
$3,646,883,000 0.22%
Despegar.com Corp
1,124.89%
275,600
$3,646,188,000 0.22%
SI-BONE Inc
11.11%
275,900
$3,567,387,000 0.22%
Arlo Technologies Inc
No change
273,400
$3,565,136,000 0.22%
Dorian LPG Ltd
12.32%
84,800
$3,558,208,000 0.22%
Aris Water Solutions, Inc.
15.37%
225,200
$3,528,884,000 0.22%
Transcat Inc
No change
29,100
$3,482,688,000 0.21%
1st Source Corp.
No change
63,900
$3,426,318,000 0.21%
Backblaze, Inc.
50.56%
538,700
$3,318,392,000 0.20%
Sterling Construction Co., Inc
71.74%
27,300
$3,230,682,000 0.20%
Taiwan Semiconductor Adr
No change
18,500
$3,215,485,000 0.20%
Genedx Holdings Corp.
Opened
122,000
$3,189,080,000 0.20%
AvePoint Inc
11.06%
296,300
$3,087,446,000 0.19%
Proto Labs Inc
No change
97,500
$3,011,775,000 0.18%
Enerpac Tool Group Corp
No change
77,300
$2,951,314,000 0.18%
Sweetgreen, Inc.
5.72%
92,251
$2,780,445,000 0.17%
ANI Pharmaceuticals Inc
No change
43,500
$2,770,080,000 0.17%
Ardelyx Inc
Opened
371,800
$2,755,038,000 0.17%
REV Group Inc
12.83%
110,100
$2,740,389,000 0.17%
Magnite Inc
Opened
200,000
$2,658,000,000 0.16%
Gorman-Rupp Co.
No change
68,900
$2,529,319,000 0.16%
Universal Logistics Holdings Inc
Opened
62,200
$2,524,698,000 0.15%
Bj's Restaurants, Inc.
14.15%
72,600
$2,519,220,000 0.15%
Powell Industries, Inc.
No change
16,800
$2,409,120,000 0.15%
Quanterix Corp
Closed
99,700
$2,348,932,000
Oxford Inds, Inc.
No change
23,400
$2,343,510,000 0.14%
Axogen Inc.
Closed
286,400
$2,311,248,000
Couchbase, Inc.
Closed
87,800
$2,310,018,000
Willdan Group Inc
Opened
79,100
$2,282,035,000 0.14%
AXT Inc
Opened
659,021
$2,227,491,000 0.14%
Universal Stainless And Alloy
Opened
80,900
$2,215,042,000 0.14%
Liquidia Corp
22.13%
183,200
$2,198,400,000 0.13%
Bioventus, Inc.
Opened
380,914
$2,190,256,000 0.13%
SEMrush Holdings, Inc.
Opened
159,200
$2,131,688,000 0.13%
Matrix Service Co.
6.34%
211,075
$2,095,975,000 0.13%
Spdr S&p 500 Etf Trust
0.25%
3,585
$1,950,875,000 0.12%
Pdd Holdings Inc. Adr
17.24%
12,000
$1,595,400,000 0.10%
MakeMyTrip Ltd
102.33%
17,400
$1,463,340,000 0.09%
Microsoft Corporation
No change
2,725
$1,217,939,000 0.07%
Tencent Music Entertainment Ad
No change
80,000
$1,124,000,000 0.07%
Jp Morgan Chase & Company Inc.
0.08%
3,807
$769,949,000 0.05%
Apple Inc
0.03%
3,382
$712,266,000 0.04%
Li Auto, Inc. Adr
Closed
23,000
$696,440,000
Miniso Group Holding Limited A
Closed
30,000
$615,000,000
Didi Global Inc. Adr
Opened
130,000
$538,200,000 0.03%
Kanzhun Limited Adr
4.00%
24,000
$451,440,000 0.03%
The Travelers Co., Inc.
0.20%
2,040
$414,798,000 0.03%
Micron Technology Inc.
Opened
3,000
$394,590,000 0.02%
Mastercard Incorporated
No change
776
$342,230,000 0.02%
Legend Biotech Corp. Adr
Closed
6,000
$336,540,000
AMGEN Inc.
0.09%
1,071
$334,571,000 0.02%
Johnson & Johnson
0.18%
2,171
$317,252,000 0.02%
Vtex
36.54%
42,200
$306,372,000 0.02%
Tal Education Group Adr
Closed
25,000
$283,750,000
Resmed Inc.
No change
1,450
$277,559,000 0.02%
Arcos Dorados Holdings Inc
61.83%
30,000
$270,000,000 0.02%
Embraer Embraer S.a. Spon Adr
Opened
10,300
$265,740,000 0.02%
Bbb Foods, Inc.
No change
11,000
$262,460,000 0.02%
Celsius Holdings Inc
Closed
3,000
$248,760,000
Amer Sports, Inc.
Closed
15,000
$244,500,000
Wal Mart Stores Inc.
Opened
3,233
$218,876,000 0.01%
Mcdonald's Corporation
0.24%
846
$215,480,000 0.01%
Merck & Co Inc
No change
1,730
$214,174,000 0.01%
Toyota Motor Corp. Adr
Closed
805
$202,654,000
Xenacare Hldgs, Inc.
No change
140,000
$0 0.00%
Amr Corp Escrow
No change
18,000
$0 0.00%
No transactions found
Showing first 500 out of 224 holdings