D. E. Shaw & Co., Inc.

CIK

1009207

City

New York

State / Country

Stock

INSP — Inspire Medical Systems, Inc.

Top Portfolio Positions

2,773 positions · $152,336,298,360 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
NVDA	Nvidia Corp Technology	22,002,115	$3,837,168,854	2.52%
MSFT	Microsoft Corp Technology	8,119,370	$3,005,547,192	1.97%
TSLA	Tesla, Inc. Consumer Cyclical	7,308,193	$2,716,820,747	1.78%
GOOGL	Alphabet Inc. Communication Services	9,392,969	$2,701,042,165	1.77%
AVGO	Broadcom Inc. Technology	7,833,108	$2,424,425,255	1.59%
AAPL	Apple Inc. Technology	9,246,586	$2,346,691,059	1.54%
MU	Micron Technology Inc Technology	5,815,376	$1,964,666,627	1.29%
META	Meta Platforms, Inc. Communication Services	3,417,924	$1,955,496,857	1.28%
AMZN	Amazon Com Inc Consumer Cyclical	8,037,824	$1,674,037,603	1.10%
BSX	Boston Scientific Corp Healthcare	24,432,352	$1,533,130,087	1.01%

Portfolio Trend

25 quarters · across all stocks

Holdings in INSP

Compact Export CSV

Shares Held

Position Value (USD)

44 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$572,538	11,100	-99.1%	Put	Defined	2026-05-15
2026-03-31	$61,304,737	1,188,537	-1.9%	Shares	Defined	2026-05-15
2025-12-31	$111,797,700	1,212,162	+237.8%	Shares	Defined	2026-02-17
2025-09-30	$26,627,189	358,857	+2423.3%	Shares	Defined	2025-11-14
2025-06-30	$1,845,588	14,222	-2.6%	Shares	Defined	2025-08-14
2025-03-31	$2,324,691	14,595	+483.8%	Shares	Defined	2025-05-15
2024-12-31	$463,450	2,500	-67.8%	Put	Defined	2025-02-14
2024-12-31	$1,437,251	7,753	-84.5%	Shares	Defined	2025-02-14
2024-09-30	$10,573,605	50,100	+1585.2%	Put	Defined	2024-11-14
2024-09-30	$627,451	2,973	+128.7%	Shares	Defined	2024-11-14
2024-09-30	$274,365	1,300	-94.4%	Call	Defined	2024-11-14
2024-06-30	$3,115,963	23,283	-53.5%	Shares	Defined	2024-08-14
2024-06-30	$6,704,883	50,100	+59.1%	Put	Defined	2024-08-14
2024-03-31	$6,763,306	31,488	+2322.2%	Shares	Defined	2024-05-15
2024-03-31	$279,227	1,300	-97.8%	Call	Defined	2024-05-15
2024-03-31	$12,908,879	60,100	-15.0%	Put	Defined	2024-05-15
2023-12-31	$14,382,501	70,700	+5338.5%	Put	Defined	2024-02-14
2023-12-31	$264,459	1,300	-99.3%	Call	Defined	2024-02-14
2023-12-31	$37,623,970	184,948	+12.3%	Shares	Defined	2024-02-14
2023-09-30	$32,683,464	164,702	+347.6%	Shares	Defined	2023-11-14
2023-09-30	$7,302,592	36,800	-91.2%	Put	Defined	2023-11-14
2023-06-30	$136,132,264	419,333	+1311.9%	Shares	Defined	2023-08-14
2023-06-30	$9,641,808	29,700	-86.3%	Put	Defined	2023-08-14
2023-03-31	$50,891,031	217,418	+987.1%	Shares	Defined	2023-05-15
2023-03-31	$4,681,400	20,000	-85.8%	Put	Defined	2023-05-15
2022-12-31	$35,440,271	140,703	+45.4%	Shares	Defined	2023-02-14
2022-09-30	$17,169,238	96,799	+813.2%	Shares	Defined	2022-11-14
2022-09-30	$1,880,122	10,600	-90.6%	Call	Defined	2022-11-14
2022-06-30	$20,653,400	113,064	+1030.6%	Shares	Defined	2022-08-15
2022-03-31	$2,566,900	10,000	-95.6%	Put	Defined	2022-05-16
2022-03-31	$57,731,891	224,909	-17.6%	Shares	Defined	2022-05-16
2021-12-31	$62,780,383	272,887	+2628.9%	Shares	Defined	2022-02-14
2021-12-31	$2,300,600	10,000	0.0%	Put	Defined	2022-02-14
2021-12-31	$2,300,600	10,000	-96.8%	Call	Defined	2022-02-14
2021-09-30	$73,135,032	314,046	+3040.5%	Shares	Defined	2021-11-15
2021-09-30	$2,328,800	10,000	0.0%	Put	Defined	2021-11-15
2021-06-30	$1,932,600	10,000	-97.1%	Put	Defined	2021-08-16
2021-06-30	$66,586,380	344,543	-12.8%	Shares	Defined	2021-08-16
2021-03-31	$81,785,681	395,119	+3851.2%	Shares	Defined	2021-05-17
2021-03-31	$2,069,900	10,000	-98.1%	Call	Defined	2021-05-17
2020-12-31	$101,321,449	538,686	-5.7%	Shares	Defined	2021-02-16
2020-09-30	$73,740,847	571,413	+2.1%	Shares	Defined	2020-11-16
2020-06-30	$48,703,614	559,683	+31.9%	Shares	Defined	2020-08-14
2020-03-31	$25,574,995	424,270	—	Shares	Defined	2020-05-15
No 13F history on record for this holder in this stock.