Inspire Medical Systems, Inc.
DE ˙ DB ˙ US4577301090
34,40 € ↑0,20 (0,58%)
2026-06-04
AKTIENPREIS
SecurityDE:2DR / Inspire Medical Systems, Inc.
InstitutionRenaissance Technologies Llc
ManagerJames Simons
Latest Disclosed Ownership469,968 shares
Latest Disclosed Value $ 24,240,949
Renaissance Technologies Llc reports 14.41% increase in ownership of 2DR / Inspire Medical Systems, Inc.

On May 14, 2026 - Renaissance Technologies Llc filed a 13F-HR form disclosing ownership of 469,968 shares of Inspire Medical Systems, Inc. (DE:2DR) valued at $20,598,697 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 410,768 shares of Inspire Medical Systems, Inc.. This represents a change in shares of 14.41% during the quarter. The current value of the position is $16,166,899 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F INSPIRE MED SYS COM 457730109 469,968 59,200 14.41 24,241 -36.02 0.0379
2026-02-12 2025-12-31 13F INSPIRE MED SYS COM 457730109 410,768 255,768 165.01 37,885 229.41 0.0588
2025-11-13 2025-09-30 13F INSPIRE MED SYS COM 457730109 155,000 28,200 22.24 11,501 -30.10 0.0152
2025-08-13 2025-06-30 13F INSPIRE MED SYS COM 457730109 126,800 -63,900 -33.51 16,455 -45.83 0.0219
2025-05-14 2025-03-31 13F INSPIRE MED SYS COM 457730109 190,700 54,000 39.50 30,375 19.86 0.0460
2025-02-13 2024-12-31 13F INSPIRE MED SYS COM 457730109 136,700 36,200 36.02 25,341 19.48 0.0375
2024-11-13 2024-09-30 13F INSPIRE MED SYS COM 457730109 100,500 26,900 36.55 21,211 115.35 0.0319
2024-08-09 2024-06-30 13F INSPIRE MED SYS COM 457730109 73,600 -36,000 -32.85 9,850 42,721.74 0.0167
2024-05-13 2024-03-31 13F INSPIRE MED SYS COM 457730109 109,600 -4,000 -3.52 24 0.00 0.0370
2024-02-13 2023-12-31 13F INSPIRE MED SYS COM 457730109 113,600 -201,800 -63.98 23 -62.90 0.0358
2023-11-14 2023-09-30 13F INSPIRE MED SYS COM 457730109 315,400 58,300 22.68 63 -25.30 0.1067
2023-08-11 2023-06-30 13F INSPIRE MED SYS COM 457730109 257,100 46,100 21.85 83 69.39 0.1203
2023-05-12 2023-03-31 13F INSPIRE MED SYS COM 457730109 211,000 170,200 417.16 49 390.00 0.0655
2023-02-13 2022-12-31 13F INSPIRE MED SYS COM 457730109 40,800 24,300 147.27 10 -99.66 0.0141
2022-11-14 2022-09-30 13F INSPIRE MED SYS COM 457730109 16,500 16,500 2,927 0.0041
2022-08-12 2022-06-30 13F INSPIRE MED SYS COM 457730109 0 -37,700 -100.00 0 -100.00
2022-05-13 2022-03-31 13F INSPIRE MED SYS COM 457730109 37,700 6,600 21.22 9,677 35.25 0.0114
2022-02-11 2021-12-31 13F INSPIRE MED SYS COM 457730109 31,100 31,100 7,155 0.0089
2021-11-12 2021-09-30 13F INSPIRE MED SYS COM 457730109 0 -43,439 -100.00 0 -100.00
2021-08-13 2021-06-30 13F INSPIRE MED SYS COM 457730109 43,439 43,439 8,395 0.0105
2021-05-13 2021-03-31 13F INSPIRE MED SYS COM 457730109 0 -109,700 -100.00 0 -100.00
2021-02-10 2020-12-31 13F INSPIRE MED SYS COM 457730109 109,700 23,600 27.41 20,633 85.70 0.0224
2020-11-13 2020-09-30 13F INSPIRE MED SYS COM 457730109 86,100 -77,500 -47.37 11,111 -21.95 0.0111
2020-08-13 2020-06-30 13F INSPIRE MED SYS COM 457730109 163,600 -113,700 -41.00 14,236 -14.84 0.0123
2020-05-14 2020-03-31 13F INSPIRE MED SYS COM 457730109 277,300 201,000 263.43 16,716 195.23 0.0162
2020-02-13 2019-12-31 13F INSPIRE MED SYS COM 457730109 76,300 -4,100 -5.10 5,662 15.41 0.0044
2019-11-13 2019-09-30 13F INSPIRE MED SYS COM 457730109 80,400 -400 -0.50 4,906 0.10 0.0042
2019-08-12 2019-06-30 13F INSPIRE MED SYS COM 457730109 80,800 80,800 4,901 0.0043
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.