TeraWulf Inc. (WULF) Ownership

NASDAQ: WULFTop holders, insider trades and short interest.

WULF ownership summary

as of October 18, 2026
Institutions
90.8%
of shares outstanding
Insiders
23.01%
of shares outstanding
Shares outstanding
499.0M
Float
383.4M
shares available to trade
Short interest
28.13%
119.4M shares short
Days to cover
4.35
short interest down 1.5% vs prior month
  • Institutions 90.80%
  • Insiders 23.01%

WULF top institutional holders

20 largest
TeraWulf Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1Lone Pine Capital LLC4.84%24.1M$282.0M+4.2M (+21.2%)June 30, 2026
2BlackRock Inc4.69%23.4M$273.2M−4.7M (−16.9%)June 30, 2026
3Vanguard Portfolio Management, LLC4.47%22.3M$260.4M−166,755 (−0.7%)June 30, 2026
4Vanguard Capital Management, LLC3.59%17.9M$209.0M+2.3M (+14.5%)June 30, 2026
5FMR Inc2.89%14.4M$168.7M+9.7M (+201.6%)June 30, 2026
6Value Aligned Research Advisors LLC2.46%12.3M$143.2M+4.4M (+56.3%)June 30, 2026
7Morgan Stanley - Brokerage Accounts2.38%11.9M$138.9M+6.0M (+100.6%)June 30, 2026
8Two Sigma Investments LLC2.30%11.5M$134.3M+3.7M (+46.7%)June 30, 2026
9Geode Capital Management, LLC1.59%7.9M$92.5M−607,724 (−7.1%)June 30, 2026
10SCOGGIN LLC1.57%7.8M$91.4M+325,000 (+4.3%)June 30, 2026
11Amvescap Plc.1.42%7.1M$83.0M+3.1M (+76.6%)June 30, 2026
12Citadel Advisors Llc1.42%7.1M$82.9M+4.3M (+151.2%)June 30, 2026
13State Street Corp1.39%6.9M$80.9M−689,989 (−9.1%)June 30, 2026
14VOLORIDGE INVESTMENT MANAGEMENT, LLC1.38%6.9M$80.4M+1.0M (+17.5%)June 30, 2026
15T. Rowe Price Associates, Inc.1.27%6.3M$73.9M+1.3M (+25.3%)June 30, 2026
16Driehaus Capital Management LLC1.24%6.2M$72.0M+100,879 (+1.7%)June 30, 2026
17Squarepoint Ops LLC1.21%6.0M$70.5M+2.5M (+71.0%)June 30, 2026
18Bank of America Corp1.14%5.7M$66.2M−107,124 (−1.9%)June 30, 2026
19Nomura Holdings Inc1.11%5.5M$64.5M+2.4M (+77.0%)June 30, 2026
20Point72 Asset Management, L.P.1.04%5.2M$60.4M+2.0M (+65.1%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 47.2M shares and 5 cut 6.3M.

WULF top mutual fund and ETF holders

20 largest
TeraWulf Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest2.53%12.6M$147.3M−13,691 (−0.1%)August 31, 2026
2Vanguard Small Cap Index1.83%9.1M$106.6M+10,450 (+0.1%)August 31, 2026
3Vanguard Information Technology ETF1.23%6.1M$71.6M−8,450 (−0.1%)August 31, 2026
4Vanguard MStar Small Cap Growth Indx Inv1.05%5.2M$61.1M−39,653 (−0.8%)August 31, 2026
5Invesco Discovery A0.85%4.3M$49.7M−635,483 (−13.0%)August 31, 2026
6American Funds SMALLCAP World A0.69%3.4M$40.0M+3.4M (0.0%)June 30, 2026
7Fidelity Select Software & IT Svcs Port0.54%2.7M$31.7M—August 31, 2026
8PGIM Jennison Small Company A0.50%2.5M$29.0M—August 31, 2026
9Amplify Blockchain Technology ETF0.49%2.4M$28.6M—September 30, 2026
10Schwab US Small-Cap ETF™0.46%2.3M$27.0M+1,557 (+0.1%)September 30, 2026
11iShares Expanded Tech-Software Sect ETF0.43%2.1M$24.9M+20,200 (+1.0%)September 30, 2026
12iShares Russell Mid-Cap Growth ETF0.41%2.0M$23.8M−2,175 (−0.1%)September 30, 2026
13Fidelity Extended Market Index0.40%2.0M$23.1M−10,644 (−0.5%)August 31, 2026
14Fidelity Capital Appreciation0.39%1.9M$22.6M+392,000 (+25.5%)August 31, 2026
15First Trust Technology AlphaDEX® ETF0.34%1.7M$20.0M—September 30, 2026
16Fidelity Leveraged Company Stock0.32%1.6M$18.9M+18,050 (+1.1%)July 31, 2026
17VanEck Crypto&Blckchan Innovtr ETF A USD0.32%1.6M$18.8M−1,900 (−0.1%)September 30, 2026
18iShares Russell Mid-Cap ETF0.30%1.5M$17.5M+2,755 (+0.2%)September 30, 2026
19Jupiter Merian Glb Eq Abs Rt I USD Acc0.28%1.4M$16.6M+604,988 (+74.1%)June 30, 2026
20Columbia Small Cap Growth Inst0.28%1.4M$16.3M+104,204 (+8.0%)August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

WULF insider transactions

latest 14
TeraWulf Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-24Paul B PragerSell$16.10137,500$2.2M
2026-03-20Michael C BucellaBuy$15.041,665$25,042
2026-03-19Michael C BucellaBuy$14.961,670$24,983
2026-03-18Michael C BucellaBuy$15.791,581$24,964
2026-03-17Michael C BucellaBuy$16.001,584$25,344
2026-03-17Patrick FleurySell$16.14573,586$9.3M
2026-03-17Patrick FleurySell$16.1426,414$426,322
2026-03-11Michael C BucellaBuy$14.911,338$19,950
2026-03-09Michael C BucellaBuy$13.31752$10,009
2026-03-06Michael C BucellaBuy$14.80679$10,049
2026-03-05Michael C BucellaBuy$15.31654$10,013
2026-03-04Michael C BucellaBuy$15.783,171$50,038
2025-11-13Michael C BucellaBuy$12.014,178$50,178
2025-08-15Amanda FabianoSell$8.644,600$39,744

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

WULF shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns WULF

Institutional investors own 90.8% of TeraWulf's shares and insiders 23.01%. The largest holder is Lone Pine Capital LLC with 4.84% of the shares (24.1M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 5 reduced their stake in the latest filings. Short interest is 28.13% of the float, or 4.35 days of average trading volume. The share count rose 19,600.2% since 2014.

Related: WULF analyst forecast, WULF key metrics. See the WULF stock overview for the latest quote and news.

WULF ownership FAQ

Who owns the most TeraWulf stock?

The largest shareholders of TeraWulf are Lone Pine Capital LLC (4.84%), BlackRock Inc (4.69%), Vanguard Portfolio Management, LLC (4.47%), Vanguard Capital Management, LLC (3.59%), FMR Inc (2.89%).

What percentage of TeraWulf is owned by institutions?

Institutions hold 90.8% of TeraWulf's shares outstanding; insiders hold 23.01%.

Which funds own TeraWulf?

The largest fund holders of TeraWulf are Vanguard MStar Total Stk Mkt Idx Invest (2.53%), Vanguard Small Cap Index (1.83%), Vanguard Information Technology ETF (1.23%), Vanguard MStar Small Cap Growth Indx Inv (1.05%), Invesco Discovery A (0.85%).

What is TeraWulf's short interest?

119.4M shares of TeraWulf were sold short, 28.13% of the float; at the average daily volume it would take 4.35 days to cover.

Are insiders buying or selling TeraWulf?

Of the latest 14 reported insider transactions in TeraWulf (since August 15, 2025), 10 were purchases and 4 were sales.

How many shares of TeraWulf are outstanding?

TeraWulf has 499.0M shares outstanding, of which 383.4M are in the public float.

Capital Markets: ownership