SkyWater Technology, LLC
SKYTDelisted Jul 31, 2026- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001819974
SkyWater Technology, LLC was delisted on Jul 31, 2026; its insiders filed their last Form 4 on Jul 31, 2026; 191 institutions reported holding it in 13F filings for Q2 2026, worth $1.16B in total; Maverick Capital was the only superinvestor holding it.
Holders of 5% or more of SKYT
Holders whose latest Schedule 13D or 13G filing reports 5% or more of SkyWater Technology, LLC, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| CMI Oxbow Partners, LLC | 13G/A | 34.10%16.4M shares | −3.50 ppfrom 37.60% | Feb 11, 20225 filings | May 13, 2025 | SEC |
| Balyasny Asset Management LLC | 13G | 6.35%3.12M shares | New | Aug 14, 20261 filing | Aug 14, 2026 | SEC |
| BlackRock, Inc. | 13G | 5.10%2.44M shares | New | Apr 27, 20261 filing | Apr 27, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
17 Schedule 13D and 13G filings on SkyWater Technology, LLC, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20266:09 AM ET | Balyasny Asset Management LLCand 4 others | 13G | 6.35%3.12M shares | New | Jun 30, 2026 | SEC |
| Jul 31, 202610:16 AM ET | Unterseher Loren Aand 2 others | 13G/A | 0.00%0 shares | −19.25 ppfrom 19.25%Below 5% | Jul 31, 2026 | SEC |
| Apr 27, 20264:12 PM ET | BlackRock, Inc. | 13G | 5.10%2.44M shares | New | Mar 31, 2026 | SEC |
| Feb 13, 20269:04 AM ET | Unterseher Loren Aand 2 others | 13G/A | 19.25%9.66M shares | −1.48 ppfrom 20.73% | Dec 31, 2025 | SEC |
| Nov 13, 20256:16 PM ET | Unterseher Loren Aand 2 others | 13G/A | 20.73%9.99M shares | −10.47 ppfrom 31.20% | Sep 30, 2025 | SEC |
| Oct 29, 20251:16 PM ET | Zibrowski Bart Land 1 other | 13G/A | 4.49%2.16M shares | −3.71 ppfrom 8.20%Below 5% | Oct 2, 2025 | SEC |
| Aug 14, 20254:19 PM ET | Unterseher Loren Aand 2 others | 13G/A | 31.20%15.0M shares | – | Jun 30, 2025 | SEC |
| May 13, 20254:16 PM ET | CMI Oxbow Partners, LLCand 2 others | 13G/A | 34.10%16.4M shares | −3.50 ppfrom 37.60% | Mar 31, 2025 | SEC |
| Feb 14, 20254:18 PM ET | CMI Oxbow Partners, LLCand 2 others | 13G/A | 37.60%17.9M shares | – | Dec 31, 2024 | SEC |
| Jan 8, 202510:41 AM ET | Zibrowski Bart Land 1 other | 13G/A | 8.20%3.91M shares | – | Dec 31, 2024 | SEC |
| Nov 12, 2024 | Unterseher Loren A | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2024 | CMI Oxbow Partners, LLC | 13G/AOld format | – | – | – | SEC |
| Jan 5, 2024 | Zibrowski Bart L | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | CMI Oxbow Partners, LLC | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Zibrowski Bart L | 13G/AOld format | – | – | – | SEC |
| Sep 12, 2022 | Zibrowski Bart L | 13GOld format | – | New | – | SEC |
| Feb 11, 2022 | CMI Oxbow Partners, LLC | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
24 notices from officers, directors and other affiliates planning to sell SkyWater Technology, LLC shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Feb 29, 20243:27 PM ET | CMI Oxbow Partners, LLC10% stockholder | 875.0K | $10.1M | Feb 29, 2024 | Needham and Company LLC | SEC |
| Dec 28, 20236:38 PM ET | Thomas SondermanAffiliate | 40.0K | $400.0K | Dec 28, 202310b5-1 | J.P. Morgan Securities LLC | SEC |
| Dec 8, 20236:09 PM ET | CMI Oxbow Partners, LLC10% stockholder | 500.0K | $4.01M | Dec 8, 2023 | Piper Sandler and Co | SEC |
| Dec 8, 20235:07 PM ET | Christopher HilbergAffiliate | 1.42K | $11.5K | Dec 8, 2023 | Global Shares Financial Services, Inc | SEC |
| Aug 31, 202310:49 AM ET | DDK Developments, L.L.C.10% stockholder | 18.4K | $125.4K | Aug 31, 2023 | Piper Sandler & Co. | SEC |
| Aug 29, 20231:20 PM ET | DDK Developments, L.L.C.10% stockholder | 13.2K | $83.6K | Aug 29, 2023 | Piper Sandler & Co. | SEC |
| Aug 14, 20235:07 PM ET | Manko SteveOfficer | 80.1K | $597.4K | Aug 14, 2023 | Global Shares Financial Services | SEC |
| Aug 9, 20235:58 PM ET | Litecky MarkOfficer | 72.7K | $685.1K | Aug 10, 2023 | Global Shares Financial Services | SEC |
| Aug 9, 20234:13 PM ET | Kosier SteveOfficer | 3.42K | $32.2K | Aug 10, 2023 | Global Shares Financial Services | SEC |
| Aug 9, 20233:39 PM ET | Daniel AmandaOfficer | 2.21K | $20.9K | Aug 10, 2023 | Global Shares Financial Services | SEC |
| Aug 9, 20232:27 PM ETAmended | Ferguson BradleyOfficer | 100.0K | $930.0K | Aug 10, 2023 | Global Shares Financial Services | SEC |
| Aug 1, 20235:23 PM ET | DDK Developments, L.L.C.10% stockholder | 57.5K | $562.4K | Aug 1, 2023 | Piper Sandler | SEC |
| Jul 17, 20233:29 PM ET | DDK Developments, L.L.C.10% stockholder | 7.50K | $68.5K | Jul 17, 2023 | Piper Sandler & Co. | SEC |
| Jul 3, 20231:05 PM ET | DDK Developments, L.L.C.10% stockholder | 7.50K | $70.7K | Jul 3, 2023 | Piper Sandler & Co. | SEC |
| Jun 9, 202310:31 AM ET | Kurtzweil John TDirector | 7.45K | $71.2K | Jun 9, 2023 | TD AMERITRADE CLEARING INC | SEC |
| Jun 6, 20234:04 PM ET | DDK Developments, L.L.C.10% stockholder | 32.0K | $323.8K | Jun 6, 2023 | Piper Sandler & Co. | SEC |
| Jun 5, 20234:59 PM ET | DDK Developments, L.L.C.10% stockholder | 17.5K | $181.5K | Jun 5, 2023 | Piper Sandler & Co. | SEC |
| Jun 5, 202312:55 PM ET | CMI Oxbow Partners, LLCDirector | 481.0K | $4.93M | Jun 5, 2023 | Needham & Company LLC | SEC |
| Jun 2, 20235:14 PM ET | DDK Developments, L.L.C.10% stockholder | 16.0K | $164.5K | Jun 2, 2023 | Piper Sandler & Co. | SEC |
| May 19, 20234:52 PM ET | DDK Developments, L.L.C.10% stockholder | 3.16K | $32.8K | May 19, 2023 | Piper Sandler & Co. | SEC |
| May 11, 20239:00 AM ET | Kosier SteveOfficer | 1.17K | $11.2K | May 11, 2023 | TD AMERITRADE | SEC |
| May 9, 20235:00 PM ET | Litecky MarkOfficer | 2.60K | $25.2K | May 10, 2023 | TD AMERITRADE | SEC |
| May 9, 202310:43 AM ET | Sonderman ThomasOfficer | 13.2K | $126.7K | May 12, 2023 | TD AMERITRADE | SEC |
| May 8, 20233:46 PM ET | Manko SteveOfficer | 3.00K | $40.0K | May 11, 2023 | TD Ameritrade | SEC |