Walleye Trading LLC

Position in BRKR — Bruker Corp

CIK 1388391 NEW YORK, NY

Back to BRKR Full portfolio

Position in BRKR

as of Jun 30, 2026 · filed Aug 3, 2026 Compact

Position Value

$2,701,781

+$2,701,781 QoQ

Shares Held

44,895

Ownership

0.029%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#145

of 425 holders

Holding Since

Jun 2020

18 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in BRKR Over Time

Shares Held

Position Value (USD)

Derivatives in BRKR

reported options exposure · as of Dec 31, 2025

CallValue

$1,092,952

CallShares

23,200

PutValue

$2,680,559

PutShares

56,900

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Medical Devices

Healthcare · as of Jun 30, 2026

Walleye Trading LLC holds $21,407,800 across 13 Medical Devices names. BRKR ranks #4 (12.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BSX	Boston Scientific Corp	234,744	$10,018,873
2	DXCM	Dexcom Inc	51,904	$3,495,734
3	GEHC	GE HealthCare Technologies Inc.	45,003	$2,880,642
4	BRKR	Bruker Corp This page	44,895	$2,701,781
5	PODD	Insulet Corp	5,663	$862,191
6	BFLY	Butterfly Network, Inc.	85,194	$717,333
7	TNDM	Tandem Diabetes Care Inc	20,849	$314,611
8	SYK	Stryker Corp	723	$227,629

All Filings in BRKR

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42 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,701,781	44,895	+6313.6%	Shares	Sole	2026-08-03
2025-12-31	$1,092,952	23,200	-15.3%	Call	Sole	2026-02-13
2025-12-31	$2,680,559	56,900	+199.5%	Put	Sole	2026-02-13
2025-09-30	$617,310	19,000	-42.2%	Put	Sole	2025-11-14
2025-09-30	$890,226	27,400	-37.7%	Call	Sole	2025-11-14
2025-09-30	$22,743	700	-22.7%	Shares	Sole	2025-11-14
2025-06-30	$1,812,800	44,000	+214.3%	Call	Sole	2025-08-13
2025-06-30	$1,355,480	32,900	+167.5%	Put	Sole	2025-08-13
2025-03-31	$584,360	14,000	+460.0%	Call	Sole	2025-05-14
2025-03-31	$37,774	905	+537.3%	Shares	Sole	2025-05-14
2025-03-31	$513,402	12,300	+668.8%	Put	Sole	2025-05-14
2024-12-31	$93,792	1,600	-70.4%	Put	Sole	2025-02-13
2024-12-31	$146,550	2,500	+108.3%	Call	Sole	2025-02-13
2024-09-30	$82,872	1,200	-14.3%	Call	Sole	2024-11-14
2024-09-30	$372,924	5,400	+50.0%	Put	Sole	2024-11-14
2024-09-30	$9,806	142	-71.9%	Shares	Sole	2024-11-14
2024-03-31	$47,533	506	-95.0%	Shares	Sole	2024-05-15
2024-03-31	$338,184	3,600	-60.4%	Put	Sole	2024-05-15
2024-03-31	$131,516	1,400	-61.1%	Call	Sole	2024-05-15
2023-12-31	$668,668	9,100	-16.5%	Put	Sole	2024-02-14
2023-12-31	$264,528	3,600	-78.7%	Call	Sole	2024-02-14
2023-12-31	$746,630	10,161	+77.0%	Shares	Sole	2024-02-14
2023-09-30	$1,052,870	16,900	+369.4%	Call	Sole	2023-11-21
2023-09-30	$679,070	10,900	+419.0%	Put	Sole	2023-11-21
2023-09-30	$357,602	5,740	+305.9%	Shares	Sole	2023-11-21
2023-06-30	$155,232	2,100	-46.2%	Put	Sole	2023-08-14
2023-06-30	$104,522	1,414	-35.9%	Shares	Sole	2023-08-14
2023-06-30	$266,112	3,600	-25.0%	Call	Sole	2023-08-14
2022-12-31	$328,080	4,800	+29.7%	Call	Sole	2023-02-14
2021-12-31	$310,467	3,700	-2.6%	Call	Sole	2022-02-14
2021-09-30	$172,210	2,205	+0.0%	Shares	Sole	2021-11-15
2021-09-30	$304,590	3,900	-64.9%	Put	Sole	2021-11-15
2021-09-30	$296,780	3,800	-87.9%	Call	Sole	2021-11-15
2021-06-30	$843,378	11,100	+126.5%	Put	Sole	2021-08-16
2021-06-30	$2,385,772	31,400	-59.3%	Call	Sole	2021-08-16
2021-03-31	$314,972	4,900	-67.3%	Put	Sole	2021-05-17
2021-03-31	$4,955,988	77,100	+381.9%	Call	Sole	2021-05-17
2020-09-30	$636,000	16,000	-85.7%	Call	Sole	2020-11-16
2020-09-30	$596,250	15,000	+16.3%	Put	Sole	2020-11-16
2020-09-30	$87,609	2,204	—	Shares	Sole	2020-11-16
2020-06-30	$524,772	12,900	—	Put	Sole	2020-08-14
2020-06-30	$4,560,228	112,100	—	Call	Sole	2020-08-14
No filing history on record for this holder in this stock.