Position in GRC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$332,892
-$1,003,158 QoQ
Shares Held
5,358
-81.4% QoQ
Ownership
0.020%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
21 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GRC Over Time
Shares Held
Position Value (USD)
Derivatives in GRC
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$1,540,824
PutShares
24,800
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 Specialty Industrial Machinery
Industrials · as of Mar 31, 2026CITADEL ADVISORS LLC holds $2,242,320,093 across 66 Specialty Industrial Machinery names. GRC ranks #57 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PH |
Parker-Hannifin Corp
|
503,514 | $450,765,873 | |
| 2 | AME |
Ametek Inc/
|
1,445,049 | $309,760,702 | |
| 3 | IEX |
Idex Corp /De/
|
808,651 | $153,279,796 | |
| 4 | GEV |
GE Vernova Inc.
|
172,991 | $151,003,843 | |
| 5 | CMI |
Cummins Inc
|
245,656 | $132,167,840 | |
| 6 | ITW |
Illinois Tool Works Inc
|
463,222 | $120,572,053 | |
| 7 | EMR |
Emerson Electric Co
|
893,197 | $117,026,670 | |
| 8 | IR |
Ingersoll Rand Inc.
|
821,645 | $65,830,197 |
All Filings in GRC
Export CSV
42 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,540,824 | 24,800 | Put | Defined | 2026-05-15 | |
| 2026-03-31 | $332,892 | 5,358 | Shares | Defined | 2026-05-15 | |
| 2025-09-30 | $1,336,050 | 28,788 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $3,807,129 | 103,680 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $52,650 | 1,500 | Call | Defined | 2025-05-15 | |
| 2025-03-31 | $3,314,527 | 94,431 | Shares | Defined | 2025-05-15 | |
| 2025-03-31 | $56,160 | 1,600 | Put | Defined | 2025-05-15 | |
| 2024-12-31 | $53,088 | 1,400 | Put | Defined | 2025-02-14 | |
| 2024-12-31 | $56,880 | 1,500 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $2,460,514 | 64,887 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $124,640 | 3,200 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $3,203,637 | 82,250 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $27,265 | 700 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $2,469,003 | 67,257 | Shares | Defined | 2024-08-14 | |
| 2024-06-30 | $154,182 | 4,200 | Call | Defined | 2024-08-14 | |
| 2024-06-30 | $44,052 | 1,200 | Put | Defined | 2024-08-14 | |
| 2024-03-31 | $7,910 | 200 | Put | Defined | 2024-05-15 | |
| 2024-03-31 | $229,390 | 5,800 | Call | Defined | 2024-05-15 | |
| 2024-03-31 | $1,235,462 | 31,238 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $53,295 | 1,500 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $283,529 | 7,980 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $369,512 | 10,400 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $78,960 | 2,400 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $197,400 | 6,000 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $75,275 | 2,288 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $155,682 | 5,400 | Call | Defined | 2023-08-14 | |
| 2023-06-30 | $937,233 | 32,509 | Shares | Defined | 2023-08-14 | |
| 2023-06-30 | $25,947 | 900 | Put | Defined | 2023-08-14 | |
| 2023-03-31 | $127,500 | 5,100 | Call | Defined | 2023-05-15 | |
| 2023-03-31 | $1,966,050 | 78,642 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $5,000 | 200 | Put | Defined | 2023-05-15 | |
| 2022-12-31 | $1,983,730 | 77,429 | Shares | Defined | 2023-02-14 | |
| 2022-12-31 | $153,720 | 6,000 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $10,248 | 400 | Put | Defined | 2023-02-14 | |
| 2022-09-30 | $2,307,153 | 96,980 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $703,113 | 24,845 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $1,371,691 | 38,230 | Shares | Defined | 2022-05-16 | |
| 2021-06-30 | $697,684 | 20,258 | Shares | Defined | 2021-08-16 | |
| 2020-12-31 | $1,165,960 | 35,931 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $461,667 | 15,671 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $609,043 | 19,596 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $731,967 | 23,453 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||